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src/FOLP/ex/If.thy
author ballarin
Thu, 28 Nov 2002 10:50:42 +0100
changeset 13735 7de9342aca7a
parent 0 a5a9c433f639
child 17480 fd19f77dcf60
permissions -rw-r--r--
HOL-Algebra partially ported to Isar.

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