LogicPages 71–72Check for Understanding1.The conjunction (pand q) is represented by theintersection of the two circles.2a.Sample answer: October has 31 days or 538.2b.Sample answer: A square has five right anglesand the Postal Service does not deliver mail onSundays.2c.Sample answer: July 5th is not a nationalholiday.3.A conjunction is a compound statement using theword and, while a disjunction is a compoundstatement using the word or.4.9514 and February has 30 days.; false,because pis true and qis false5.9514 and a square has four sides.; true,because pis true and ris true6.February has 30 days and a square has foursides.; false, because qis false and ris true7.9514 or February does not have 30 days.;true, because pis true and qis true8.February has 30 days or a square has four sides.;true, because ris true9.9514 or a square does not have four sides.;false, because pis false and ris false10.
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