src/FOLP/FOLP.thy
author clasohm
Mon Feb 05 21:33:14 1996 +0100 (1996-02-05)
changeset 1477 4c51ab632cda
parent 1142 eb0e2ff8f032
child 3836 f1a1817659e6
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(*  Title:      FOLP/FOLP.thy
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    ID:         $Id$
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    Author:     Martin D Coen, Cambridge University Computer Laboratory
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    Copyright   1992  University of Cambridge
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Classical First-Order Logic with Proofs
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*)
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FOLP = IFOLP +
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consts
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  cla :: "[p=>p]=>p"
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rules
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  classical "(!!x.x:~P ==> f(x):P) ==> cla(f):P"
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end