Axiom ax-wctr 32

Description: Reverse closure for the type of a context. (This axiom is unnecessary; see ax-cb1 29.) Prefer wctr 34. (New usage is discouraged.) (Contributed by Mario Carneiro, 8-Oct-2014.)

Hypothesis

Ref	Expression
wctl.1	⊢ (S, T):∗

Assertion

Ref	Expression
ax-wctr	⊢ T:∗

Detailed syntax breakdown of Axiom ax-wctr

Step	Hyp	Ref	Expression
1		hb 3	. 2 type ∗
2		tt	. 2 term T
3	1, 2	wffMMJ2t 12	1 wff T:∗

This axiom is referenced by:  wctr  34