src/FOL/fol.thy
author wenzelm
Wed, 18 Aug 1999 18:10:48 +0200
changeset 7261 a141985d660b
parent 0 a5a9c433f639
permissions -rw-r--r--
sum_case renamed to basic_sum_case;

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