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src/FOL/fol.thy
author paulson
Thu, 27 Mar 1997 10:07:11 +0100
changeset 2844 05d78159812d
parent 0 a5a9c433f639
permissions -rw-r--r--
Now uses the alternative (safe!) rules for ex1
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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classical "(~P ==> P) ==> P"
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end
isabelle