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src/FOL/fol.thy
author lcp
Thu, 07 Oct 1993 09:47:47 +0100
changeset 35 d71f96f1780e
parent 0 a5a9c433f639
permissions -rw-r--r--
ifol.thy: added ~= for "not equals"
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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FOL = IFOL +
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rules
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classical "(~P ==> P) ==> P"
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end
isabelle