Talk:Constructive dilemma

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Additional information: Related task forces (core areas): Logic

Thanks to numerous named and anonymous editors on the other symbolic logic articles, I borrowed extensively from article layouts. Zenosparadox 15:27, 23 Dec 2004 (UTC)

[edit] Not exclusive or

The final statements here, "Because one cannot have P&R, one cannot have both Q&S. In this example, the situation in which Ronald Reagan and Jimmy Carter are both presidents produces a logical contradiction.", seem wrong. Of course you can't have two presidents at once, but in symbolic logic, indicates the inclusive or, p or r or both. --Jwwalker 16:23, 15 May 2005 (UTC)