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src/FOL/ex/if.thy
author lcp
Thu, 03 Feb 1994 17:16:40 +0100
changeset 263 d45f0af592f0
parent 0 a5a9c433f639
permissions -rw-r--r--
no longer removes *.z

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