PrintForm Definitions sat lemmas Sections ClassicalProps(jlc) Doc

At: formula imp falsifiable lemma 1 2 1 1 1 1 1
1. a: Assignment
2. q: Formula
3. r: Formula
4. (q under a) = 3
5. (r under a) = 3

3 (r under a) = 3
By: HypSubst -1 0
Generated subgoal:

1 3 3 = 3

About:
equal