Theorem wct 48

Description: The type of a context. (Contributed by Mario Carneiro, 7-Oct-2014.)

Hypotheses

Ref	Expression
wct.1	⊢ S:∗
wct.2	⊢ T:∗

Assertion

Ref	Expression
wct	⊢ (S, T):∗

Proof of Theorem wct

Step	Hyp	Ref	Expression
1		wct.1	. 2 ⊢ S:∗
2		wct.2	. 2 ⊢ T:∗
3	1, 2	ax-wct 47	1 ⊢ (S, T):∗

Syntax hints:  ∗hb 3  kct 10  wffMMJ2t 12

This theorem was proved from axioms:  ax-wct 47

This theorem is referenced by:  eqtru  86  hbct  155  ex  158  con2d  161  exlimdv2  166  exmid  199  ax2  204  ax3  205  ax11  214  ax13  216  ax14  217  axun  222