src/FOL/fol.thy
author paulson
Fri, 06 Jun 1997 10:18:46 +0200
changeset 3417 58ccb80eb50a
parent 0 a5a9c433f639
permissions -rw-r--r--
New example theory: Recdef
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FOL = IFOL +
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rules
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classical "(~P ==> P) ==> P"
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end