Exercise 7.1E.docx - (E-sets 15-18 Exercise 7.1E Problem 1 Correct Your symbolization ‘D→A’ of the sentence Fido is a dog only if Fido is an

Exercise 7.1E.docx - (E-sets 15-18 Exercise 7.1E Problem 1...

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(E-sets 15-18) Exercise 7.1E Problem 1 Correct! Your symbolization ‘D→A’ of the sentence Fido is a dog only if Fido is an animal. using the scheme of abbreviation D: Fido is a dog; A: Fido is an animal is correct. Problem 2 Correct! Your symbolization ‘C→M’ of the sentence Josey is a mammal if Josey is a cat. using the scheme of abbreviation M: Josey is a mammal; C: Josey is a cat is correct. Problem 3 Correct! Your symbolization ‘(N E)→~C’ of the sentence Physical laws cannot be changed given that they are either necessary or eternal. using the scheme of abbreviation C: Physical laws can be changed; N: Physical laws are necessary; E: Physical laws are eternal is correct. Problem 4 Correct! Your symbolization ‘(M→N)∙~N’ of the sentence Snakes are mammals only if snakes nourish their young with milk; but snakes do not nourish their young with milk. using the scheme of abbreviation M: Snakes are mammals; N: Snakes nourish their young with milk is correct.
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