src/FOL/fol.thy
author paulson
Wed, 20 Mar 1996 18:42:31 +0100
changeset 1593 69ed69a9c32a
parent 0 a5a9c433f639
permissions -rw-r--r--
New module for proof objects (deriviations)
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
     1
FOL = IFOL +
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
     2
rules
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
     3
classical "(~P ==> P) ==> P"
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
     4
end