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src/FOL/ex/if.thy
author berghofe
Fri, 16 Jul 1999 14:06:13 +0200
changeset 7020 75ff179df7b7
parent 0 a5a9c433f639
permissions -rw-r--r--
Exported function unify_consts (workaround to avoid inconsistently typed recursive constants in inductive and primrec definitions).

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