src/FOLP/ex/If.thy
author wenzelm
Thu, 30 Sep 1999 23:31:13 +0200
changeset 7668 80c310e76c46
parent 0 a5a9c433f639
child 17480 fd19f77dcf60
permissions -rw-r--r--
removed ProofContext.declare_thm;

If = FOLP +
consts  if     :: "[o,o,o]=>o"
rules
        if_def "if(P,Q,R) == P&Q | ~P&R"
end