src/FOL/fol.thy
author wenzelm
Wed, 14 Sep 1994 16:11:19 +0200
changeset 613 f9eb0f819642
parent 0 a5a9c433f639
permissions -rw-r--r--
removed lookup_const (use Sign.const_type instead);
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FOL = IFOL +
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rules
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classical "(~P ==> P) ==> P"
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end