src/FOL/ex/If.thy
author wenzelm
Sat, 19 Aug 2000 12:42:52 +0200
changeset 9656 a3d868043c49
parent 1322 9b3d3362a048
child 14151 b8bb6a6a2c46
permissions -rw-r--r--
%\urlstyle{rm} %\isabellestyle{it}

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