src/FOL/fol.thy
author berghofe
Wed, 20 Feb 2002 15:47:42 +0100
changeset 12905 bbbae3f359e6
parent 0 a5a9c433f639
permissions -rw-r--r--
Converted to new theory format.
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FOL = IFOL +
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rules
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classical "(~P ==> P) ==> P"
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end