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src/FOL/ex/if.thy
author wenzelm
Wed, 20 Feb 2002 00:53:53 +0100
changeset 12902 a23dc0b7566f
parent 0 a5a9c433f639
permissions -rw-r--r--
Symbol.bump_string;

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