src/FOL/fol.thy
author nipkow
Mon, 06 Aug 2001 13:43:24 +0200
changeset 11464 ddea204de5bc
parent 0 a5a9c433f639
permissions -rw-r--r--
turned translation for 1::nat into def. introduced 1' and replaced most occurrences of 1 by 1'.
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FOL = IFOL +
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rules
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classical "(~P ==> P) ==> P"
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end