Talk:Truth function

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	Logic

"Just in case[edit]

On behalf of the general audience, I have replaced the misleading and confusing expression "just in case", with its correct, and easily understood equivalent, "if, and only if" (also, in more technical writing, "if and only if"). The following explains the error:

Language Log: "Just in Case"
Southern California Philosophy for philosophy graduate students: "Just in Case".Dr Lindsay B Yeates (talk) 21:27, 9 April 2014 (UTC)[reply]

Comment on definition[edit]

Is there a problem with the definition of truth function or truth functional? I mean the first sentence says that a truth function gives a truth output value from a truth input value, but later says about propositional logic, propositional logic gives one truth value, which is either truth or false. Is that not contradictory definition??? — Preceding unsigned comment added by Josemazcorro (talk • contribs) 11:55, 17 March 2019 (UTC)[reply]