EX4 - Categorical proposition

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1、Identifyquantifier,subject,copula,andpredicate1.Nopersonswholivenearairportsarepersonswhoappreciatethenoiseofjets.2.Someterroristsarenotreligious.1.Quantifier:NoSubject:personswholivenearairportCopula:arePredicate:personswhoappreciatethenoiseofjets2.Quantifier:SomeSubject:terroristsCopula:

2、arenotPredicate:religiouspersonsIdentifylettername,quantityandquality1.Allgovernmentsthatbargainwithterroristsaregovernmentsthatencourageterrorism.AnswerApropositionUniversalaffirmativeSubjectdistributedPredicateundistributed2.Nolaborstrikesareeventswelcomedbymanagement.AnswerEpropositionU

3、niversalnegativeSubjectandpredicatedistributedChangethequalityofthepropositionNowildliferefugesarelocationssuitableforhousingdevelopment.AnswerAllwildliferefugesarelocationssuitableforhousingdevelopment.ChangethequantityofthepropositionNotaxproposalsthatfavorthericharefairproposals.AnswerS

4、ometaxproposalsthatfavorthericharenotfairproposals.ChangeboththequalityandquantityofthepropositionNoalcoholicsarepersonswithahealthydiet.AnswerSomealcoholicsarepersonswithahealthydiet.DrawVenndiagramforthefollowingpropositions1.Somepoliticalcampaignsaremereattemptstodiscreditopponents.2.Al

5、lredistributingplansaresourcesofcontroversy.Evaluatethevalidityofargument1.Allbeersaredangerousdrinks.Therefore,itisfalsethatsomebeersarenotdangerousdrinks.2.Novampiresareeatersofgarlicbread.Therefore,itisfalsethatsomevampiresareeatersofgarlicbread.3.Somebacteriaarerod-shapedobjects.Theref

6、ore,nobacteriaarerod-shapedobjects.PerformconversiontothepropositionSomeformsofcarbonaresubstanceswithacrystallinestructure.PerformobversionNocultleadersarepeoplewhofailtobrainwashtheirfollowers.PerformcontrapositionAllgasesareincompressiblesubstances.Useconversion,obversionandcontrapositi

7、ontodeterminevalidity1.Noindividualswholaughallthetimearepersonswithatruesenseofhumor.Therefore,nopersonswithatruesenseofhumorareindividualswholaughallthetime.2.Somepeacefulrevolutionsareepisodesthateruptinviolence.Therefore,someepisodesthatdonoteruptinviolenc