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src/FOL/ex/If.thy
author lcp
Fri, 13 Jan 1995 02:02:00 +0100
changeset 863 67692db44c70
parent 0 a5a9c433f639
child 1322 9b3d3362a048
permissions -rw-r--r--
empty_def typo

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