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src/FOL/fol.thy
author wenzelm
Sat, 01 Apr 2000 20:09:52 +0200
changeset 8647 656f1b61875a
parent 0 a5a9c433f639
permissions -rw-r--r--
added ProofGeneral.undo;
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
0
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clasohm
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FOL = IFOL +
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rules
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clasohm
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classical "(~P ==> P) ==> P"
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end
isabelle