PrintForm Definitions assignment Sections ClassicalProps(jlc) Doc

At: extension lemma 1 1 1 1

1. a: Assignment
2. a': Assignment
3. a'a = a
4. x: Var
5. a'a(x) = 3
6. a'a(x) = a(x)

a(x) = a'(x)

By:
MoveToConcl -1
THEN
GenConcl (a(x) = n)
THEN
Analyze 0


Generated subgoal:

16. n:
7. a(x) = n
8. a'a(x) = n
n = a'(x)


About:
equalapply