src/FOL/FOL.thy
author wenzelm
Wed, 14 Jan 1998 10:30:01 +0100
changeset 4570 c04027ccc86e
parent 4093 5e8f3d57dee7
child 4793 03fd006fb97b
permissions -rw-r--r--
fixed Id;


FOL = IFOL +

rules
  classical "(~P ==> P) ==> P"

end

ML val thy_data = [ClasetThyData.thy_data];