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src/FOLP/ex/if.thy
author nipkow
Tue, 25 Feb 2003 12:42:08 +0100
changeset 13826 e94aa103e12d
parent 0 a5a9c433f639
permissions -rw-r--r--
Undid eta change for UN/INT.

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