Two proofs that (A ⇒ B) if and only if (⌐B ⇒ ⌐A) Direct proof We can construct a "truth table" that maps the situation for all possible values of A and B:

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Date: 2016-09-18 19:02:01		Two proofs that (A ⇒ B) if and only if (⌐B ⇒ ⌐A) Direct proof We can construct a "truth table" that maps the situation for all possible values of A and B: Add to Reading List Source URL: www.planningadinner.net Download Document from Source Website File Size: 110,46 KB Share Document on Facebook