Sun, 15 Feb 2009 16:25:39 +0100 nipkow merged
Sun, 15 Feb 2009 16:25:16 +0100 nipkow added finite_set_choice
Sun, 15 Feb 2009 14:02:27 +0100 krauss reject defined function in patterns with errmsg, e.g. f (f x) = x
Sun, 15 Feb 2009 11:34:46 +0100 nipkow fixed document
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