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York University (9,822)
MODR 2640 (1)
all (1)
Final

Final Exam

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School
York University
Department
Modes Of Reasoning
Course
MODR 2640
Professor
all
Semester
Winter

Description
Final Exam Thursday,March22, 20111:15 AM Ch. 13 Sections 1 & 3 Classify in terms of symmetry, transitivity,AND reflexivity.(like 13-4) 10-12 13-1 13-2 13-4 Chapter 10 10-1:Note that capitalsstand for relationsand lower case letters stand for individualsor functionsand order matters 10-2:Add quantifiers-- Everythingis better than A, Something is better than A Then overlappingquantifiers: (∃x)(∃y)Bxy Order of quantifiersis important when 2 differentkinds of quantifiersare involved If in doubt, go to first step of expansion 10-3:Expansions Take off quantifiersstarting at the outsideand work yourway in Exercise 10-3 is important 10-4:Symbolizing place and time Somewhere, sometime, never, everywhere,always If Sally hasbeen everywhere:(x)(Px ⊃ Bsx) or (x)(Px ⊃ (∃y)Ty · Bsxy) 10-5:Expressionslike 'sometimes', 'someone', 'somewhere' can be difficult May need an existential quantifier, but some require a universal Ask: Is there reference back? Need a universal and scopeof quantifier must be wholesentence. Eg: Ifa studentinsultsthe professor,then the studentwill fail. Ifa studentinsultsthe professor,then the professor will b
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