src/FOLP/folp.thy
author paulson
Mon Apr 26 13:25:49 1999 +0200 (1999-04-26)
changeset 6509 9f7f4fd05b1f
parent 0 a5a9c433f639
permissions -rw-r--r--
fixed a bug many years old in rule plusEC
     1 FOLP = IFOLP +
     2 consts
     3   cla :: "[p=>p]=>p"
     4 rules
     5   classical "(!!x.x:~P ==> f(x):P) ==> cla(f):P"
     6 end