src/FOL/ex/If.thy
author berghofe
Fri, 16 Jul 1999 14:06:13 +0200
changeset 7020 75ff179df7b7
parent 1322 9b3d3362a048
child 14151 b8bb6a6a2c46
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