src/FOL/fol.thy
author wenzelm
Wed, 25 Aug 1999 20:45:19 +0200
changeset 7355 4c43090659ca
parent 0 a5a9c433f639
permissions -rw-r--r--
proper bootstrap of IFOL/FOL theories and packages;

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