1 answer

Determine weather each is a logical truth, contradiction, or contingent, and show that it is using...

Question:

Determine weather each is a logical truth, contradiction, or contingent, and show that it is using either derivation or an example.
(a) (A v B) – (A.B) (b) A (AB)=B) (c) (A( BC)) .-(CV-A)
(a) (A v B) – (A.B) (b) A (AB)=B) (c) (A( BC)) .-(CV-A)

Answers

a Tabe, sinoif A is f, Bist, ther AVB-T But A A. B-F This (AVE) - (A.B) is not tem. © AJ ((AJB) = 8 A(14>B) =B A Hence, 6 is

For the last part I am attaching the full truth table:

A B C (A → (BAC)) A -C v -A)) F F F F F FT F FIF F FTT F TFF F TFT F TTF F Τ Τ Τ F

.

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