PrintForm Definitions sequent valid Sections ClassicalProps(jlc) Doc

At: formula valid iff sequent valid 2 1 1 2 1 2
1. F: Formula
2. a: Assignment
3. a | F

a |= < nil,[F] > a | < nil,[F] >
By:
Choose [2]
THEN
UnfoldTopAb 0
THEN
AbReduce 0
Generated subgoal:

1 True & a | F & True

About:
orpairnilconsandtrue