src/FOL/ex/if.thy
author wenzelm
Thu, 15 Feb 2001 17:18:54 +0100
changeset 11145 3e47692e3a3e
parent 0 a5a9c433f639
permissions -rw-r--r--
eliminate get_def;

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