src/FOL/FOL.thy
author wenzelm
Wed, 14 Sep 1994 16:11:19 +0200
changeset 613 f9eb0f819642
parent 0 a5a9c433f639
child 4093 5e8f3d57dee7
permissions -rw-r--r--
removed lookup_const (use Sign.const_type instead);

FOL = IFOL +
rules
classical "(~P ==> P) ==> P"
end