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Axiom ax-wctl 31
Description: Reverse closure for the type of a context. (This axiom is unnecessary; see ax-cb1 29.) Prefer wctl 33. (New usage is discouraged.) (Contributed by Mario Carneiro, 8-Oct-2014.)
Ref Expression
wctl.1 (S, T):∗
Ref Expression
ax-wctl S:∗

Detailed syntax breakdown of Axiom ax-wctl
StepHypRef Expression
1 hb 3 . 2 type
2 ts . 2 term S
31, 2wffMMJ2t 12 1 wff S:∗
Colors of variables: type var term
This axiom is referenced by:  wctl  33
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