src/FOL/ex/If.thy
author paulson
Mon, 20 Mar 2000 18:25:35 +0100
changeset 8529 4656e8312ba9
parent 1322 9b3d3362a048
child 14151 b8bb6a6a2c46
permissions -rw-r--r--
tidied

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