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src/FOL/ex/If.thy
author wenzelm
Sat, 01 Jul 2000 19:55:22 +0200
changeset 9230 17ae63f82ad8
parent 1322 9b3d3362a048
child 14151 b8bb6a6a2c46
permissions -rw-r--r--
GPLed;

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