{"id":6723,"date":"2023-07-13T06:06:23","date_gmt":"2023-07-13T06:06:23","guid":{"rendered":"https:\/\/content.one.lumenlearning.com\/quantitativereasoning\/?post_type=chapter&#038;p=6723"},"modified":"2024-10-18T20:50:17","modified_gmt":"2024-10-18T20:50:17","slug":"set-theory-and-logic-get-stronger","status":"web-only","type":"chapter","link":"https:\/\/content.one.lumenlearning.com\/quantitativereasoning\/chapter\/set-theory-and-logic-get-stronger\/","title":{"raw":"Set Theory and Logic: Get Stronger","rendered":"Set Theory and Logic: Get Stronger"},"content":{"raw":"<h2>Set Theory<\/h2>\r\n<ol style=\"list-style-type: decimal;\">\r\n\t<li>List out the elements of the set \u201cThe letters of the word Mississipi\u201d<\/li>\r\n\t<li>List out the elements of the set \u201cMonths of the year\u201d<\/li>\r\n\t<li>Write a verbal description of the set {[latex]3,6,9[\/latex]}<\/li>\r\n\t<li>Write a verbal description of the set {a,i,e,o,u}<\/li>\r\n\t<li>Is {[latex]1,3,5[\/latex]} a subset of the set of odd integers?<\/li>\r\n\t<li>Is {A,B,C} a subset of the set of letters of the alphabet?<\/li>\r\n<\/ol>\r\n<p><strong>For problems [latex]7-12[\/latex], consider the sets below, and indicate if each statement is true or false.<\/strong><\/p>\r\n<center><strong>A = {[latex]1,2,3,4,5[\/latex]} B = {[latex]1,3,5[\/latex]} C = {[latex]4,6[\/latex]} U = { numbers from [latex]0[\/latex] to [latex]10[\/latex] }<\/strong><\/center>\r\n<ol style=\"list-style-type: decimal;\" start=\"7\">\r\n\t<li>[latex]3[\/latex]\u2208B<\/li>\r\n\t<li>[latex]5[\/latex]\u2208C<\/li>\r\n\t<li>B\u2282A<\/li>\r\n\t<li>C\u2282A<\/li>\r\n\t<li>C\u2282B<\/li>\r\n\t<li>C\u2282U<\/li>\r\n<\/ol>\r\n<p><strong>Using the sets from above, and treating U as the Universal set, find each of the following:<\/strong><\/p>\r\n<ol style=\"list-style-type: decimal;\" start=\"13\">\r\n\t<li>Using the sets from above, and treating U as the Universal set, find each of the following:<\/li>\r\n\t<li>A\u222aB<\/li>\r\n\t<li>A\u222aC<\/li>\r\n\t<li>A\u2229C<\/li>\r\n\t<li>B\u2229C<\/li>\r\n\t<li>Ac<\/li>\r\n\t<li>Bc<\/li>\r\n<\/ol>\r\n<p><strong>Let [latex]D={b,a,c,k}[\/latex], [latex]E={t,a,s,k}[\/latex], [latex]F={b,a,t,h}[\/latex]. Using these sets, find the following:<\/strong><\/p>\r\n<ol style=\"list-style-type: decimal;\" start=\"19\">\r\n\t<li>Dc\u2229E<\/li>\r\n\t<li>Fc\u2229D<\/li>\r\n\t<li>(D\u2229E)\u222aF<\/li>\r\n\t<li>D\u2229(E\u222aP)<\/li>\r\n\t<li>(F\u2229E)c\u2229D<\/li>\r\n\t<li>(D\u222aE)c\u2229F<\/li>\r\n<\/ol>\r\n<p><strong>Create a Venn diagram to illustrate each of the following:<\/strong><\/p>\r\n<ol style=\"list-style-type: decimal;\" start=\"25\">\r\n\t<li>(F\u2229E)\u222aD<\/li>\r\n\t<li>(D\u222aE)c\u2229F<\/li>\r\n\t<li>(Fc\u2229E\u2032)\u2229D<\/li>\r\n\t<li>(D\u222aE)\u222aFw<\/li>\r\n<\/ol>\r\n<p><strong>Write an expression for the shaded region.<\/strong><\/p>\r\n<ol style=\"list-style-type: decimal;\" start=\"29\">\r\n\t<li><img src=\"https:\/\/math.libretexts.org\/@api\/deki\/files\/40707\/clipboard_e8910db6dbeb907deac79212c4844a900.png?revision=1\" alt=\"A Venn diagram with 3 circles overlapping, labeled A, B, and C. The region where B overlaps either or both of the other sets is highlighted.\" \/><\/li>\r\n\t<li><img src=\"https:\/\/math.libretexts.org\/@api\/deki\/files\/40708\/clipboard_eb1180ca18b0413c87466d876f76a50fd.png?revision=1\" alt=\"A Venn diagram with 3 circles overlapping, labeled A, B, and C. The region in B alone is highlighted, where it isn't overlapping either other set.\" \/><\/li>\r\n\t<li><img src=\"https:\/\/math.libretexts.org\/@api\/deki\/files\/40709\/clipboard_e2ba153a01099bbc42e9585945b4d113d.png?revision=1\" alt=\"A Venn diagram with 3 circles overlapping, labeled A, B, and C. The highlighted region includes all of C, combined with the portion of A that doesn't overlap B.\" \/><\/li>\r\n\t<li><img src=\"https:\/\/math.libretexts.org\/@api\/deki\/files\/40710\/clipboard_ed5ce75a0bf03631442611dbd9e68f2de.png?revision=1\" alt=\"A Venn diagram with 3 circles overlapping, labeled A, B, and C. The highlighted region includes the part of A that doesn't overlap with C, combined with the part of B that doesn't overlap C, combined with the overlap of all three circles.\" \/><\/li>\r\n<\/ol>\r\n<p><strong>Let A = {[latex]1,2,3,4,5[\/latex]} B = {[latex]1,3,5[\/latex]} C = {[latex]4,6[\/latex]}. Find the cardinality of the given set.<\/strong><\/p>\r\n<ol style=\"list-style-type: decimal;\" start=\"33\">\r\n\t<li>n(A)<\/li>\r\n\t<li>n(B)<\/li>\r\n\t<li>n(A\u222aC)<\/li>\r\n\t<li>n(A\u2229C)<\/li>\r\n<\/ol>\r\n<p><strong>The Venn diagram here shows the cardinality of each set. Use this in [latex]37-40[\/latex] to find the cardinality of given set.<\/strong><\/p>\r\n<p><img class=\"internal default\" src=\"https:\/\/math.libretexts.org\/@api\/deki\/files\/40706\/clipboard_ec18bbe27affa8adec9600536fe3a9d5b.png?revision=1\" alt=\"A Venn diagram of three overlapping circles labeled A, B, and C.  The part only in A is 7. The overlap of A and B only is 3. The part in B only is 5.  The overlap of A and C only is 4. The overlap of all three is 1. The overlap of B and C only is 2. The part in C only is 8. The part outside all three is 6.\" \/><\/p>\r\n<ol style=\"list-style-type: decimal;\" start=\"37\">\r\n\t<li>n(A\u2229C)<\/li>\r\n\t<li>n(B\u222aC)<\/li>\r\n\t<li>n(A\u2229B\u2229C2)<\/li>\r\n\t<li>n(A\u2229Bc\u2229C)<\/li>\r\n\t<li>If n(G) = [latex]20[\/latex],n(H) = [latex]30[\/latex],n(G \u2229 H) = [latex]5[\/latex], find n(G \u222a H)<\/li>\r\n\t<li>If n(G) = [latex]5[\/latex],n(H) = [latex]8[\/latex],n(G \u2229 H) = [latex]4[\/latex], find n(G \u222a H)<\/li>\r\n\t<li>A survey was given asking whether they watch movies at home from Netflix, Redbox, or a video store. Use the results to determine how many people use Redbox.<\/li>\r\n<\/ol>\r\n<p style=\"text-align: center;\">[latex]52[\/latex] only use Netflix<br \/>\r\n[latex]62[\/latex] only use Redbox<br \/>\r\n[latex]24[\/latex] only use a video store<br \/>\r\n[latex]16[\/latex] use only a video store and Redbox<br \/>\r\n[latex]48[\/latex] use only Netflix and Redbox<br \/>\r\n[latex]30[\/latex] use only a video store and Netflix<br \/>\r\n[latex]10[\/latex] use all three<br \/>\r\n[latex]25[\/latex] use none of these<\/p>\r\n<ol style=\"list-style-type: decimal;\" start=\"44\">\r\n\t<li>A survey asked buyers whether color, size, or brand influenced their choice of cell phone. The results are below. How many people were influenced by brand?<\/li>\r\n<\/ol>\r\n<p style=\"text-align: center;\">[latex]5[\/latex] only said color<br \/>\r\n[latex]8[\/latex] only said size<br \/>\r\n[latex]16[\/latex] only said brand<br \/>\r\n[latex]20[\/latex] said only color and size<br \/>\r\n[latex]42[\/latex] said only color and brand<br \/>\r\n[latex]53[\/latex] said only size and brand<br \/>\r\n[latex]102[\/latex] said all three<br \/>\r\n[latex]20[\/latex] said none of these<\/p>\r\n<ol style=\"list-style-type: decimal;\" start=\"45\">\r\n\t<li>Use the given information to complete a Venn diagram, then determine: a) how many students have seen exactly one of these movies, and b) how many had seen only Star Wars.<\/li>\r\n<\/ol>\r\n<p style=\"text-align: center;\">[latex]18[\/latex] had seen The Matrix (M)<br \/>\r\n[latex]24[\/latex] had seen Star Wars (SW)<br \/>\r\n[latex]20[\/latex] had seen Lord of the Rings (LotR)<br \/>\r\n[latex]10[\/latex] had seen M and SW<br \/>\r\n[latex]14[\/latex] had seen LotR and SW<br \/>\r\n[latex]12[\/latex] had seen M and LotR<br \/>\r\n[latex]6[\/latex] had seen all three<\/p>\r\n<ol style=\"list-style-type: decimal;\" start=\"46\">\r\n\t<li>A survey asked people what alternative transportation modes they use. Using the data to complete a Venn diagram, then determine: a) what percent of people only ride the bus, and b) how many people don\u2019t use any alternate transportation.<\/li>\r\n<\/ol>\r\n<\/li>\r\n<\/ol>\r\n<p style=\"text-align: center;\">[latex]30\\%[\/latex] use the bus<br \/>\r\n[latex]20\\%[\/latex] ride a bicycle<br \/>\r\n[latex]25\\%[\/latex] walk<br \/>\r\n[latex]5\\%[\/latex] use the bus and ride a bicycle<br \/>\r\n[latex]10\\%[\/latex] ride a bicycle and walk<br \/>\r\n[latex]12\\%[\/latex] use the bus and walk<br \/>\r\n[latex]2\\%[\/latex] use all three<\/p>\r\n<h2>Logic<\/h2>\r\n\r\nFor questions [latex]47-48[\/latex], list the set of integers that satisfy the given conditions.\r\n\r\n<ol style=\"list-style-type: decimal;\" start=\"47\">\r\n\t<li> A positive multiple of [latex]5[\/latex] and not a multiple of [latex]2[\/latex]<\/li>\r\n\t<li>Greater than [latex]12[\/latex] and less than or equal to [latex]18[\/latex]<\/li>\r\n<\/ol>\r\n\r\n<p>For questions [latex]49-50[\/latex], write the negation of each quantified statement.<\/p>\r\n<ol style=\"list-style-type: decimal;\" start=\"49\">\r\n\t<li>Everyone failed the quiz today.<\/li>\r\n\t<li>Someone in the car needs to use the restroom.<\/li>\r\n<\/ol>\r\n<ol style=\"list-style-type: decimal;\" start=\"51\">\r\n\t<li>Translate each statement from symbolic notation into English sentences. Let A represent \u201cElvis is alive\u201d and let G represent \u201cElvis gained weight\u201d.\r\n<ol style=\"list-style-type: lower-alpha;\">\r\n\t<li>A\u2228G<\/li>\r\n\t<li>\u223c(A\u2227G)<\/li>\r\n\t<li>G\u2192\u223cA<\/li>\r\n\t<li>A\u2194\u223cG<\/li>\r\n<\/ol><\/li>\r\n<\/ol>\r\n<p>For questions [latex]52-55[\/latex], create a truth table for each statement.<\/p>\r\n<ol style=\"list-style-type: decimal;\" start=\"52\">\r\n\t<li>A\u2227\u223cB<\/li>\r\n\t<li>\u223c(\u223cA\u2228B)<\/li>\r\n\t<li>A\u2227B)\u2192C<\/li>\r\n\t<li>A\u2228B)\u2192\u223cC<\/li>\r\n<\/ol>\r\n<p>Questions [latex]56-59[\/latex]:<br \/>\r\nIn this lesson, we have been studying the inclusive or, which allows both A and B to be true. The exclusive or does not allow both to be true; it translates to \"either A or B, but not both.\"<\/p>\r\n<ol style=\"list-style-type: decimal;\" start=\"56\">\r\n\r\n\t<li>For each situation, decide whether the \u201cor\u201d is most likely exclusive or inclusive.\r\n<ol style=\"list-style-type: lower-alpha;\">\r\n\t<li>An entr\u00e9e at a restaurant includes soup or a salad.<\/li>\r\n\t<li>You should bring an umbrella or a raincoat with you.<\/li>\r\n\t<li>We can keep driving on I-[latex]5[\/latex] or get on I-[latex]405[\/latex] at the next exit.<\/li>\r\n\t<li>You should save this document on your computer or a flash drive.\t<\/li>\r\n<\/ol>\r\n<\/li>\r\n<li>Complete the truth table for the exclusive or.<\/p>\r\n<p style=\"text-align: center;\">\r\n<math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><mtable columnalign=\"center center center\" rowspacing=\"4pt\" columnspacing=\"1em\" rowlines=\"solid solid solid solid\" columnlines=\"solid solid\" frame=\"solid\"><mtr><mtd><mi>A<\/mi><\/mtd><mtd><mi>B<\/mi><\/mtd><mtd><mi>A<\/mi><mo>\u2228<!-- \u2228 --><\/mo><mi>B<\/mi><\/mtd><\/mtr><mtr><mtd><mrow class=\"MJX-TeXAtom-ORD\"><mi mathvariant=\"normal\">T<\/mi><\/mrow><\/mtd><mtd><mrow class=\"MJX-TeXAtom-ORD\"><mi mathvariant=\"normal\">T<\/mi><\/mrow><\/mtd><mtd><\/mtd><\/mtr><mtr><mtd><mrow class=\"MJX-TeXAtom-ORD\"><mi mathvariant=\"normal\">T<\/mi><\/mrow><\/mtd><mtd><mrow class=\"MJX-TeXAtom-ORD\"><mi mathvariant=\"normal\">F<\/mi><\/mrow><\/mtd><mtd><\/mtd><\/mtr><mtr><mtd><mrow class=\"MJX-TeXAtom-ORD\"><mi mathvariant=\"normal\">F<\/mi><\/mrow><\/mtd><mtd><mrow class=\"MJX-TeXAtom-ORD\"><mi mathvariant=\"normal\">T<\/mi><\/mrow><\/mtd><mtd><\/mtd><\/mtr><mtr><mtd><mrow class=\"MJX-TeXAtom-ORD\"><mi mathvariant=\"normal\">F<\/mi><\/mrow><\/mtd><mtd><mrow class=\"MJX-TeXAtom-ORD\"><mi mathvariant=\"normal\">F<\/mi><\/mrow><\/mtd><mtd><\/mtd><\/mtr><\/mtable><\/math>\r\n<\/li>\r\n\t<li>Complete the truth table for (A\u2228B)\u2227\u223c(A\u2227B)<\/p>\r\n<p style=\"text-align: center;\">\r\n<math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><mtable columnalign=\"center center center center center center\" rowspacing=\"4pt\" columnspacing=\"1em\" rowlines=\"solid solid solid solid\" columnlines=\"solid solid solid solid solid\" frame=\"solid\"><mtr><mtd><mi>A<\/mi><\/mtd><mtd><mi>B<\/mi><\/mtd><mtd><mi>A<\/mi><mo>\u2228<!-- \u2228 --><\/mo><mi>B<\/mi><\/mtd><mtd><mi>A<\/mi><mo>\u2227<!-- \u2227 --><\/mo><mi>B<\/mi><\/mtd><mtd><mo>\u223c<!-- \u223c --><\/mo><mo stretchy=\"false\">(<\/mo><mi>A<\/mi><mo>\u2227<!-- \u2227 --><\/mo><mi>B<\/mi><mo stretchy=\"false\">)<\/mo><\/mtd><mtd><mo stretchy=\"false\">(<\/mo><mi>A<\/mi><mo>\u2228<!-- \u2228 --><\/mo><mi>B<\/mi><mo stretchy=\"false\">)<\/mo><mo>\u2227<!-- \u2227 --><\/mo><mo>\u223c<!-- \u223c --><\/mo><mo stretchy=\"false\">(<\/mo><mi>A<\/mi><mo>\u2227<!-- \u2227 --><\/mo><mi>B<\/mi><mo stretchy=\"false\">)<\/mo><\/mtd><\/mtr><mtr><mtd><mrow class=\"MJX-TeXAtom-ORD\"><mi mathvariant=\"normal\">T<\/mi><\/mrow><\/mtd><mtd><mrow class=\"MJX-TeXAtom-ORD\"><mi mathvariant=\"normal\">T<\/mi><\/mrow><\/mtd><mtd><\/mtd><mtd><\/mtd><mtd><\/mtd><mtd><\/mtd><\/mtr><mtr><mtd><mrow class=\"MJX-TeXAtom-ORD\"><mi mathvariant=\"normal\">T<\/mi><\/mrow><\/mtd><mtd><mrow class=\"MJX-TeXAtom-ORD\"><mi mathvariant=\"normal\">F<\/mi><\/mrow><\/mtd><mtd><\/mtd><mtd><\/mtd><mtd><\/mtd><mtd><\/mtd><\/mtr><mtr><mtd><mrow class=\"MJX-TeXAtom-ORD\"><mi mathvariant=\"normal\">F<\/mi><\/mrow><\/mtd><mtd><mrow class=\"MJX-TeXAtom-ORD\"><mi mathvariant=\"normal\">T<\/mi><\/mrow><\/mtd><mtd><\/mtd><mtd><\/mtd><mtd><\/mtd><mtd><\/mtd><\/mtr><mtr><mtd><mrow class=\"MJX-TeXAtom-ORD\"><mi mathvariant=\"normal\">F<\/mi><\/mrow><\/mtd><mtd><mrow class=\"MJX-TeXAtom-ORD\"><mi mathvariant=\"normal\">F<\/mi><\/mrow><\/mtd><mtd><\/mtd><mtd><\/mtd><mtd><\/mtd><mtd><\/mtd><\/mtr><\/mtable><\/math>\r\n\t<\/li>\r\n\t<li>Compare your answers for questions 56 and 57. Can you explain the similarities?<\/li>\r\n\r\n\t<li>Consider the statement \u201cIf you are under age [latex]17[\/latex], then you cannot attend this movie.\u201d\r\n<ol  style=\"list-style-type: lower-alpha;\">\r\n\t<li>Write the converse.<\/li>\r\n\t<li>Write the inverse.<\/li>\r\n\t<li>Write the contrapositive.<\/li>\r\n<\/ol>\r\n\r\n<\/li>\r\n\t<li> Assume that the statement \u201cIf you swear, then you will get your mouth washed out with soap\u201d is true. Which of the following statements must also be true?\r\n<ol  style=\"list-style-type: lower-alpha;\">\r\n\t<li>If you don\u2019t swear, then you won\u2019t get your mouth washed out with soap.<\/li>\r\n\t<li>If you don\u2019t get your mouth washed out with soap, then you didn\u2019t swear.<\/li>\r\n\t<li>If you get your mouth washed out with soap, then you swore.<\/li>\r\n<\/ol>\r\n\r\n<\/li>\r\n<\/ol>\r\nFor questions [latex]62-64[\/latex], write the negation of each conditional statement.<\/p>\r\n<ol style=\"list-style-type: decimal;\" start=\"62\">\r\n\t<li>If you don\u2019t look both ways before crossing the street, then you will get hit by a car.<\/li>\r\n\t<li>If Luke faces Vader, then Obi-Wan cannot interfere.<\/li>\r\n\t<li>If you weren\u2019t talking, then you wouldn\u2019t have missed the instructions.<\/li>\r\n\r\n<li>Assume that the biconditional statement \u201cYou will play in the game if and only if you attend all practices this week\u201d is true. Which of the following situations could happen?\r\n<ol  style=\"list-style-type: lower-alpha;\">\r\n\t<li>You attended all practices this week and didn\u2019t play in the game.<\/li>\r\n\t<li>You didn\u2019t attend all practices this week and played in the game.<\/li>\r\n\t<li>You didn\u2019t attend all practices this week and didn\u2019t play in the game.<\/li>\r\n<\/ol>\r\n\r\n<\/li>\r\n<\/ol>\r\n<p>For questions [latex]66-67[\/latex], use De Morgan\u2019s Laws to rewrite each conjunction as a disjunction, or each disjunction as a conjunction.<\/p>\r\n<ol style=\"list-style-type: decimal;\" start=\"66\">\r\n\t<li>It is not true that Tina likes Sprite or [latex]7[\/latex]-Up.<\/li>\r\n\t<li>It is not the case that you need a dated receipt and your credit card to return this item.<\/li>\r\n<\/ol>\r\n<p>For questions [latex]68-73[\/latex], use a Venn diagram or truth table or common form of an argument to decide whether each argument is valid or invalid.<\/p>\r\n<ol style=\"list-style-type: decimal;\" start=\"68\">\r\n\t<li>If a person is on this reality show, they must be self-absorbed. Laura is not self-absorbed. Therefore, Laura cannot be on this reality show.<\/li>\r\n\t<li>If you are a triathlete, then you have outstanding endurance. LeBron James is not a triathlete. Therefore, LeBron does not have outstanding endurance.<\/li>\r\n\t<li>Jamie must scrub the toilets or hose down the garbage cans. Jamie refuses to scrub the toilets. Therefore, Jamie will hose down the garbage cans.<\/li>\r\n\t<li>Some of these kids are rude. Jimmy is one of these kids. Therefore, Jimmy is rude!<\/li>\r\n\t<li>Every student brought a pencil or a pen. Marcie brought a pencil. Therefore, Marcie did not bring a pen.<\/li>\r\n\t<li>If a creature is a chimpanzee, then it is a primate. If a creature is a primate, then it is a mammal. Bobo is a mammal. Therefore, Bobo is a chimpanzee.<\/li>\r\n<\/ol>\r\n<p>For questions [latex]74-76[\/latex], name the type of logical fallacy being used.<\/p>\r\n<ol style=\"list-style-type: decimal;\" start=\"74\">\r\n\t<li>If you don\u2019t want to drive from Boston to New York, then you will have to take the train.<\/li>\r\n\r\n\t<li>New England Patriots quarterback Tom Brady likes his footballs slightly underinflated. The \u201cCheatriots\u201d have a history of bending or breaking the rules, so Brady must have told the equipment manager to make sure that the footballs were underinflated.<\/li>\r\n\r\n\t<li>Whenever our smoke detector beeps, my kids eat cereal for dinner. The loud beeping sound must make them want to eat cereal for some reason.<\/li>\r\n\r\n<\/ol>","rendered":"<h2>Set Theory<\/h2>\n<ol style=\"list-style-type: decimal;\">\n<li>List out the elements of the set \u201cThe letters of the word Mississipi\u201d<\/li>\n<li>List out the elements of the set \u201cMonths of the year\u201d<\/li>\n<li>Write a verbal description of the set {[latex]3,6,9[\/latex]}<\/li>\n<li>Write a verbal description of the set {a,i,e,o,u}<\/li>\n<li>Is {[latex]1,3,5[\/latex]} a subset of the set of odd integers?<\/li>\n<li>Is {A,B,C} a subset of the set of letters of the alphabet?<\/li>\n<\/ol>\n<p><strong>For problems [latex]7-12[\/latex], consider the sets below, and indicate if each statement is true or false.<\/strong><\/p>\n<div style=\"text-align: center;\"><strong>A = {[latex]1,2,3,4,5[\/latex]} B = {[latex]1,3,5[\/latex]} C = {[latex]4,6[\/latex]} U = { numbers from [latex]0[\/latex] to [latex]10[\/latex] }<\/strong><\/div>\n<ol style=\"list-style-type: decimal;\" start=\"7\">\n<li>[latex]3[\/latex]\u2208B<\/li>\n<li>[latex]5[\/latex]\u2208C<\/li>\n<li>B\u2282A<\/li>\n<li>C\u2282A<\/li>\n<li>C\u2282B<\/li>\n<li>C\u2282U<\/li>\n<\/ol>\n<p><strong>Using the sets from above, and treating U as the Universal set, find each of the following:<\/strong><\/p>\n<ol style=\"list-style-type: decimal;\" start=\"13\">\n<li>Using the sets from above, and treating U as the Universal set, find each of the following:<\/li>\n<li>A\u222aB<\/li>\n<li>A\u222aC<\/li>\n<li>A\u2229C<\/li>\n<li>B\u2229C<\/li>\n<li>Ac<\/li>\n<li>Bc<\/li>\n<\/ol>\n<p><strong>Let [latex]D={b,a,c,k}[\/latex], [latex]E={t,a,s,k}[\/latex], [latex]F={b,a,t,h}[\/latex]. Using these sets, find the following:<\/strong><\/p>\n<ol style=\"list-style-type: decimal;\" start=\"19\">\n<li>Dc\u2229E<\/li>\n<li>Fc\u2229D<\/li>\n<li>(D\u2229E)\u222aF<\/li>\n<li>D\u2229(E\u222aP)<\/li>\n<li>(F\u2229E)c\u2229D<\/li>\n<li>(D\u222aE)c\u2229F<\/li>\n<\/ol>\n<p><strong>Create a Venn diagram to illustrate each of the following:<\/strong><\/p>\n<ol style=\"list-style-type: decimal;\" start=\"25\">\n<li>(F\u2229E)\u222aD<\/li>\n<li>(D\u222aE)c\u2229F<\/li>\n<li>(Fc\u2229E\u2032)\u2229D<\/li>\n<li>(D\u222aE)\u222aFw<\/li>\n<\/ol>\n<p><strong>Write an expression for the shaded region.<\/strong><\/p>\n<ol style=\"list-style-type: decimal;\" start=\"29\">\n<li><img decoding=\"async\" src=\"https:\/\/math.libretexts.org\/@api\/deki\/files\/40707\/clipboard_e8910db6dbeb907deac79212c4844a900.png?revision=1\" alt=\"A Venn diagram with 3 circles overlapping, labeled A, B, and C. The region where B overlaps either or both of the other sets is highlighted.\" \/><\/li>\n<li><img decoding=\"async\" src=\"https:\/\/math.libretexts.org\/@api\/deki\/files\/40708\/clipboard_eb1180ca18b0413c87466d876f76a50fd.png?revision=1\" alt=\"A Venn diagram with 3 circles overlapping, labeled A, B, and C. The region in B alone is highlighted, where it isn't overlapping either other set.\" \/><\/li>\n<li><img decoding=\"async\" src=\"https:\/\/math.libretexts.org\/@api\/deki\/files\/40709\/clipboard_e2ba153a01099bbc42e9585945b4d113d.png?revision=1\" alt=\"A Venn diagram with 3 circles overlapping, labeled A, B, and C. The highlighted region includes all of C, combined with the portion of A that doesn't overlap B.\" \/><\/li>\n<li><img decoding=\"async\" src=\"https:\/\/math.libretexts.org\/@api\/deki\/files\/40710\/clipboard_ed5ce75a0bf03631442611dbd9e68f2de.png?revision=1\" alt=\"A Venn diagram with 3 circles overlapping, labeled A, B, and C. The highlighted region includes the part of A that doesn't overlap with C, combined with the part of B that doesn't overlap C, combined with the overlap of all three circles.\" \/><\/li>\n<\/ol>\n<p><strong>Let A = {[latex]1,2,3,4,5[\/latex]} B = {[latex]1,3,5[\/latex]} C = {[latex]4,6[\/latex]}. Find the cardinality of the given set.<\/strong><\/p>\n<ol style=\"list-style-type: decimal;\" start=\"33\">\n<li>n(A)<\/li>\n<li>n(B)<\/li>\n<li>n(A\u222aC)<\/li>\n<li>n(A\u2229C)<\/li>\n<\/ol>\n<p><strong>The Venn diagram here shows the cardinality of each set. Use this in [latex]37-40[\/latex] to find the cardinality of given set.<\/strong><\/p>\n<p><img decoding=\"async\" class=\"internal default\" src=\"https:\/\/math.libretexts.org\/@api\/deki\/files\/40706\/clipboard_ec18bbe27affa8adec9600536fe3a9d5b.png?revision=1\" alt=\"A Venn diagram of three overlapping circles labeled A, B, and C.  The part only in A is 7. The overlap of A and B only is 3. The part in B only is 5.  The overlap of A and C only is 4. The overlap of all three is 1. The overlap of B and C only is 2. The part in C only is 8. The part outside all three is 6.\" \/><\/p>\n<ol style=\"list-style-type: decimal;\" start=\"37\">\n<li>n(A\u2229C)<\/li>\n<li>n(B\u222aC)<\/li>\n<li>n(A\u2229B\u2229C2)<\/li>\n<li>n(A\u2229Bc\u2229C)<\/li>\n<li>If n(G) = [latex]20[\/latex],n(H) = [latex]30[\/latex],n(G \u2229 H) = [latex]5[\/latex], find n(G \u222a H)<\/li>\n<li>If n(G) = [latex]5[\/latex],n(H) = [latex]8[\/latex],n(G \u2229 H) = [latex]4[\/latex], find n(G \u222a H)<\/li>\n<li>A survey was given asking whether they watch movies at home from Netflix, Redbox, or a video store. Use the results to determine how many people use Redbox.<\/li>\n<\/ol>\n<p style=\"text-align: center;\">[latex]52[\/latex] only use Netflix<br \/>\n[latex]62[\/latex] only use Redbox<br \/>\n[latex]24[\/latex] only use a video store<br \/>\n[latex]16[\/latex] use only a video store and Redbox<br \/>\n[latex]48[\/latex] use only Netflix and Redbox<br \/>\n[latex]30[\/latex] use only a video store and Netflix<br \/>\n[latex]10[\/latex] use all three<br \/>\n[latex]25[\/latex] use none of these<\/p>\n<ol style=\"list-style-type: decimal;\" start=\"44\">\n<li>A survey asked buyers whether color, size, or brand influenced their choice of cell phone. The results are below. How many people were influenced by brand?<\/li>\n<\/ol>\n<p style=\"text-align: center;\">[latex]5[\/latex] only said color<br \/>\n[latex]8[\/latex] only said size<br \/>\n[latex]16[\/latex] only said brand<br \/>\n[latex]20[\/latex] said only color and size<br \/>\n[latex]42[\/latex] said only color and brand<br \/>\n[latex]53[\/latex] said only size and brand<br \/>\n[latex]102[\/latex] said all three<br \/>\n[latex]20[\/latex] said none of these<\/p>\n<ol style=\"list-style-type: decimal;\" start=\"45\">\n<li>Use the given information to complete a Venn diagram, then determine: a) how many students have seen exactly one of these movies, and b) how many had seen only Star Wars.<\/li>\n<\/ol>\n<p style=\"text-align: center;\">[latex]18[\/latex] had seen The Matrix (M)<br \/>\n[latex]24[\/latex] had seen Star Wars (SW)<br \/>\n[latex]20[\/latex] had seen Lord of the Rings (LotR)<br \/>\n[latex]10[\/latex] had seen M and SW<br \/>\n[latex]14[\/latex] had seen LotR and SW<br \/>\n[latex]12[\/latex] had seen M and LotR<br \/>\n[latex]6[\/latex] had seen all three<\/p>\n<ol style=\"list-style-type: decimal;\" start=\"46\">\n<li>A survey asked people what alternative transportation modes they use. Using the data to complete a Venn diagram, then determine: a) what percent of people only ride the bus, and b) how many people don\u2019t use any alternate transportation.<\/li>\n<\/ol>\n<p style=\"text-align: center;\">[latex]30\\%[\/latex] use the bus<br \/>\n[latex]20\\%[\/latex] ride a bicycle<br \/>\n[latex]25\\%[\/latex] walk<br \/>\n[latex]5\\%[\/latex] use the bus and ride a bicycle<br \/>\n[latex]10\\%[\/latex] ride a bicycle and walk<br \/>\n[latex]12\\%[\/latex] use the bus and walk<br \/>\n[latex]2\\%[\/latex] use all three<\/p>\n<h2>Logic<\/h2>\n<p>For questions [latex]47-48[\/latex], list the set of integers that satisfy the given conditions.<\/p>\n<ol style=\"list-style-type: decimal;\" start=\"47\">\n<li> A positive multiple of [latex]5[\/latex] and not a multiple of [latex]2[\/latex]<\/li>\n<li>Greater than [latex]12[\/latex] and less than or equal to [latex]18[\/latex]<\/li>\n<\/ol>\n<p>For questions [latex]49-50[\/latex], write the negation of each quantified statement.<\/p>\n<ol style=\"list-style-type: decimal;\" start=\"49\">\n<li>Everyone failed the quiz today.<\/li>\n<li>Someone in the car needs to use the restroom.<\/li>\n<\/ol>\n<ol style=\"list-style-type: decimal;\" start=\"51\">\n<li>Translate each statement from symbolic notation into English sentences. Let A represent \u201cElvis is alive\u201d and let G represent \u201cElvis gained weight\u201d.\n<ol style=\"list-style-type: lower-alpha;\">\n<li>A\u2228G<\/li>\n<li>\u223c(A\u2227G)<\/li>\n<li>G\u2192\u223cA<\/li>\n<li>A\u2194\u223cG<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<p>For questions [latex]52-55[\/latex], create a truth table for each statement.<\/p>\n<ol style=\"list-style-type: decimal;\" start=\"52\">\n<li>A\u2227\u223cB<\/li>\n<li>\u223c(\u223cA\u2228B)<\/li>\n<li>A\u2227B)\u2192C<\/li>\n<li>A\u2228B)\u2192\u223cC<\/li>\n<\/ol>\n<p>Questions [latex]56-59[\/latex]:<br \/>\nIn this lesson, we have been studying the inclusive or, which allows both A and B to be true. The exclusive or does not allow both to be true; it translates to &#8220;either A or B, but not both.&#8221;<\/p>\n<ol style=\"list-style-type: decimal;\" start=\"56\">\n<li>For each situation, decide whether the \u201cor\u201d is most likely exclusive or inclusive.\n<ol style=\"list-style-type: lower-alpha;\">\n<li>An entr\u00e9e at a restaurant includes soup or a salad.<\/li>\n<li>You should bring an umbrella or a raincoat with you.<\/li>\n<li>We can keep driving on I-[latex]5[\/latex] or get on I-[latex]405[\/latex] at the next exit.<\/li>\n<li>You should save this document on your computer or a flash drive.\t<\/li>\n<\/ol>\n<\/li>\n<li>Complete the truth table for the exclusive or.\n<p style=\"text-align: center;\">\n<math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><mtable columnalign=\"center center center\" rowspacing=\"4pt\" columnspacing=\"1em\" rowlines=\"solid solid solid solid\" columnlines=\"solid solid\" frame=\"solid\"><mtr><mtd><mi>A<\/mi><\/mtd><mtd><mi>B<\/mi><\/mtd><mtd><mi>A<\/mi><mo>\u2228<!-- \u2228 --><\/mo><mi>B<\/mi><\/mtd><\/mtr><mtr><mtd><mrow class=\"MJX-TeXAtom-ORD\"><mi mathvariant=\"normal\">T<\/mi><\/mrow><\/mtd><mtd><mrow class=\"MJX-TeXAtom-ORD\"><mi mathvariant=\"normal\">T<\/mi><\/mrow><\/mtd><mtd><\/mtd><\/mtr><mtr><mtd><mrow class=\"MJX-TeXAtom-ORD\"><mi mathvariant=\"normal\">T<\/mi><\/mrow><\/mtd><mtd><mrow class=\"MJX-TeXAtom-ORD\"><mi mathvariant=\"normal\">F<\/mi><\/mrow><\/mtd><mtd><\/mtd><\/mtr><mtr><mtd><mrow class=\"MJX-TeXAtom-ORD\"><mi mathvariant=\"normal\">F<\/mi><\/mrow><\/mtd><mtd><mrow class=\"MJX-TeXAtom-ORD\"><mi mathvariant=\"normal\">T<\/mi><\/mrow><\/mtd><mtd><\/mtd><\/mtr><mtr><mtd><mrow class=\"MJX-TeXAtom-ORD\"><mi mathvariant=\"normal\">F<\/mi><\/mrow><\/mtd><mtd><mrow class=\"MJX-TeXAtom-ORD\"><mi mathvariant=\"normal\">F<\/mi><\/mrow><\/mtd><mtd><\/mtd><\/mtr><\/mtable><\/math>\n<\/p>\n<\/li>\n<li>Complete the truth table for (A\u2228B)\u2227\u223c(A\u2227B)\n<p style=\"text-align: center;\">\n<math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><mtable columnalign=\"center center center center center center\" rowspacing=\"4pt\" columnspacing=\"1em\" rowlines=\"solid solid solid solid\" columnlines=\"solid solid solid solid solid\" frame=\"solid\"><mtr><mtd><mi>A<\/mi><\/mtd><mtd><mi>B<\/mi><\/mtd><mtd><mi>A<\/mi><mo>\u2228<!-- \u2228 --><\/mo><mi>B<\/mi><\/mtd><mtd><mi>A<\/mi><mo>\u2227<!-- \u2227 --><\/mo><mi>B<\/mi><\/mtd><mtd><mo>\u223c<!-- \u223c --><\/mo><mo stretchy=\"false\">(<\/mo><mi>A<\/mi><mo>\u2227<!-- \u2227 --><\/mo><mi>B<\/mi><mo stretchy=\"false\">)<\/mo><\/mtd><mtd><mo stretchy=\"false\">(<\/mo><mi>A<\/mi><mo>\u2228<!-- \u2228 --><\/mo><mi>B<\/mi><mo stretchy=\"false\">)<\/mo><mo>\u2227<!-- \u2227 --><\/mo><mo>\u223c<!-- \u223c --><\/mo><mo stretchy=\"false\">(<\/mo><mi>A<\/mi><mo>\u2227<!-- \u2227 --><\/mo><mi>B<\/mi><mo stretchy=\"false\">)<\/mo><\/mtd><\/mtr><mtr><mtd><mrow class=\"MJX-TeXAtom-ORD\"><mi mathvariant=\"normal\">T<\/mi><\/mrow><\/mtd><mtd><mrow class=\"MJX-TeXAtom-ORD\"><mi mathvariant=\"normal\">T<\/mi><\/mrow><\/mtd><mtd><\/mtd><mtd><\/mtd><mtd><\/mtd><mtd><\/mtd><\/mtr><mtr><mtd><mrow class=\"MJX-TeXAtom-ORD\"><mi mathvariant=\"normal\">T<\/mi><\/mrow><\/mtd><mtd><mrow class=\"MJX-TeXAtom-ORD\"><mi mathvariant=\"normal\">F<\/mi><\/mrow><\/mtd><mtd><\/mtd><mtd><\/mtd><mtd><\/mtd><mtd><\/mtd><\/mtr><mtr><mtd><mrow class=\"MJX-TeXAtom-ORD\"><mi mathvariant=\"normal\">F<\/mi><\/mrow><\/mtd><mtd><mrow class=\"MJX-TeXAtom-ORD\"><mi mathvariant=\"normal\">T<\/mi><\/mrow><\/mtd><mtd><\/mtd><mtd><\/mtd><mtd><\/mtd><mtd><\/mtd><\/mtr><mtr><mtd><mrow class=\"MJX-TeXAtom-ORD\"><mi mathvariant=\"normal\">F<\/mi><\/mrow><\/mtd><mtd><mrow class=\"MJX-TeXAtom-ORD\"><mi mathvariant=\"normal\">F<\/mi><\/mrow><\/mtd><mtd><\/mtd><mtd><\/mtd><mtd><\/mtd><mtd><\/mtd><\/mtr><\/mtable><\/math>\n\t<\/p>\n<\/li>\n<li>Compare your answers for questions 56 and 57. Can you explain the similarities?<\/li>\n<li>Consider the statement \u201cIf you are under age [latex]17[\/latex], then you cannot attend this movie.\u201d\n<ol style=\"list-style-type: lower-alpha;\">\n<li>Write the converse.<\/li>\n<li>Write the inverse.<\/li>\n<li>Write the contrapositive.<\/li>\n<\/ol>\n<\/li>\n<li> Assume that the statement \u201cIf you swear, then you will get your mouth washed out with soap\u201d is true. Which of the following statements must also be true?\n<ol style=\"list-style-type: lower-alpha;\">\n<li>If you don\u2019t swear, then you won\u2019t get your mouth washed out with soap.<\/li>\n<li>If you don\u2019t get your mouth washed out with soap, then you didn\u2019t swear.<\/li>\n<li>If you get your mouth washed out with soap, then you swore.<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<p>For questions [latex]62-64[\/latex], write the negation of each conditional statement.<\/p>\n<ol style=\"list-style-type: decimal;\" start=\"62\">\n<li>If you don\u2019t look both ways before crossing the street, then you will get hit by a car.<\/li>\n<li>If Luke faces Vader, then Obi-Wan cannot interfere.<\/li>\n<li>If you weren\u2019t talking, then you wouldn\u2019t have missed the instructions.<\/li>\n<li>Assume that the biconditional statement \u201cYou will play in the game if and only if you attend all practices this week\u201d is true. Which of the following situations could happen?\n<ol style=\"list-style-type: lower-alpha;\">\n<li>You attended all practices this week and didn\u2019t play in the game.<\/li>\n<li>You didn\u2019t attend all practices this week and played in the game.<\/li>\n<li>You didn\u2019t attend all practices this week and didn\u2019t play in the game.<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<p>For questions [latex]66-67[\/latex], use De Morgan\u2019s Laws to rewrite each conjunction as a disjunction, or each disjunction as a conjunction.<\/p>\n<ol style=\"list-style-type: decimal;\" start=\"66\">\n<li>It is not true that Tina likes Sprite or [latex]7[\/latex]-Up.<\/li>\n<li>It is not the case that you need a dated receipt and your credit card to return this item.<\/li>\n<\/ol>\n<p>For questions [latex]68-73[\/latex], use a Venn diagram or truth table or common form of an argument to decide whether each argument is valid or invalid.<\/p>\n<ol style=\"list-style-type: decimal;\" start=\"68\">\n<li>If a person is on this reality show, they must be self-absorbed. Laura is not self-absorbed. Therefore, Laura cannot be on this reality show.<\/li>\n<li>If you are a triathlete, then you have outstanding endurance. LeBron James is not a triathlete. Therefore, LeBron does not have outstanding endurance.<\/li>\n<li>Jamie must scrub the toilets or hose down the garbage cans. Jamie refuses to scrub the toilets. Therefore, Jamie will hose down the garbage cans.<\/li>\n<li>Some of these kids are rude. Jimmy is one of these kids. Therefore, Jimmy is rude!<\/li>\n<li>Every student brought a pencil or a pen. Marcie brought a pencil. Therefore, Marcie did not bring a pen.<\/li>\n<li>If a creature is a chimpanzee, then it is a primate. If a creature is a primate, then it is a mammal. Bobo is a mammal. Therefore, Bobo is a chimpanzee.<\/li>\n<\/ol>\n<p>For questions [latex]74-76[\/latex], name the type of logical fallacy being used.<\/p>\n<ol style=\"list-style-type: decimal;\" start=\"74\">\n<li>If you don\u2019t want to drive from Boston to New York, then you will have to take the train.<\/li>\n<li>New England Patriots quarterback Tom Brady likes his footballs slightly underinflated. The \u201cCheatriots\u201d have a history of bending or breaking the rules, so Brady must have told the equipment manager to make sure that the footballs were underinflated.<\/li>\n<li>Whenever our smoke detector beeps, my kids eat cereal for dinner. The loud beeping sound must make them want to eat cereal for some reason.<\/li>\n<\/ol>\n","protected":false},"author":46,"menu_order":25,"template":"","meta":{"_candela_citation":"[]","pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"part":24,"module-header":"practice","content_attributions":[],"internal_book_links":[],"video_content":null,"cc_video_embed_content":{"cc_scripts":"","media_targets":[]},"try_it_collection":null,"_links":{"self":[{"href":"https:\/\/content.one.lumenlearning.com\/quantitativereasoning\/wp-json\/pressbooks\/v2\/chapters\/6723"}],"collection":[{"href":"https:\/\/content.one.lumenlearning.com\/quantitativereasoning\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/content.one.lumenlearning.com\/quantitativereasoning\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/content.one.lumenlearning.com\/quantitativereasoning\/wp-json\/wp\/v2\/users\/46"}],"version-history":[{"count":49,"href":"https:\/\/content.one.lumenlearning.com\/quantitativereasoning\/wp-json\/pressbooks\/v2\/chapters\/6723\/revisions"}],"predecessor-version":[{"id":13475,"href":"https:\/\/content.one.lumenlearning.com\/quantitativereasoning\/wp-json\/pressbooks\/v2\/chapters\/6723\/revisions\/13475"}],"part":[{"href":"https:\/\/content.one.lumenlearning.com\/quantitativereasoning\/wp-json\/pressbooks\/v2\/parts\/24"}],"metadata":[{"href":"https:\/\/content.one.lumenlearning.com\/quantitativereasoning\/wp-json\/pressbooks\/v2\/chapters\/6723\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/content.one.lumenlearning.com\/quantitativereasoning\/wp-json\/wp\/v2\/media?parent=6723"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/content.one.lumenlearning.com\/quantitativereasoning\/wp-json\/pressbooks\/v2\/chapter-type?post=6723"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/content.one.lumenlearning.com\/quantitativereasoning\/wp-json\/wp\/v2\/contributor?post=6723"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/content.one.lumenlearning.com\/quantitativereasoning\/wp-json\/wp\/v2\/license?post=6723"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}