src/FOL/ex/if.thy
author lcp
Tue, 25 Apr 1995 11:14:03 +0200
changeset 1072 0140ff702b23
parent 0 a5a9c433f639
permissions -rw-r--r--
updated version

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