src/FOL/FOL.thy
author clasohm
Fri, 13 Oct 1995 11:48:40 +0100
changeset 1280 909079af97b7
parent 0 a5a9c433f639
child 4093 5e8f3d57dee7
permissions -rw-r--r--
corrected spelling of title
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FOL = IFOL +
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rules
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classical "(~P ==> P) ==> P"
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end