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src/FOLP/ex/if.thy
author nipkow
Sat, 18 Nov 1995 14:55:44 +0100
changeset 1344 f172a7f14e49
parent 0 a5a9c433f639
permissions -rw-r--r--
Half a lexical analyzer generator.

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