src/FOLP/ex/If.thy
author paulson
Mon, 11 Mar 1996 14:04:37 +0100
changeset 1561 9ba6d69f7763
parent 0 a5a9c433f639
child 17480 fd19f77dcf60
permissions -rw-r--r--
set_cs now includes singleton_inject

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