src/FOL/fol.thy
author wenzelm
Fri, 06 Oct 2000 17:35:58 +0200
changeset 10168 50be659d4222
parent 0 a5a9c433f639
permissions -rw-r--r--
final tuning;
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FOL = IFOL +
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rules
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classical "(~P ==> P) ==> P"
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end