(2steps) PrintForm Definitions formula Sections ClassicalProps(jlc) Doc

At: subformula wf


F:Formula. subformula(F) Formula List

By: Unfold `subformula` 0

Generated subgoal:

11. F: Formula
case F:x nil;p [p];pq [p; q];pq [p; q];pq [p; q]; Formula List

About:
listconsnilmemberall

(2steps) PrintForm Definitions formula Sections ClassicalProps(jlc) Doc