Hannibal at 05:06, 19 June 2007

Hannibal — Tue, 19 Jun 2007 05:06:42 GMT

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Two statements are said to be ''materially equivalent'', ''or equivalent in truth value'' when their truth values cannot be the negation of each other: i.e. they must both be true or both be false. We can read material equivalence as ''p if and only if q''.

==References==

* Copi, I. M, Cohen, C., (2001), "Introduction to Logic", 11th Edition.

Material implication - Revision history

Hannibal at 05:06, 19 June 2007