Theorem com25 91

Description: Commutation of antecedents. Swap 2nd and 5th. (Contributed by Jeff Hankins, 28-Jun-2009.)

Hypothesis

Ref	Expression
com5.1	⊢ (𝜑 → (𝜓 → (𝜒 → (𝜃 → (𝜏 → 𝜂)))))

Assertion

Ref	Expression
com25	⊢ (𝜑 → (𝜏 → (𝜒 → (𝜃 → (𝜓 → 𝜂)))))

Proof of Theorem com25

Step	Hyp	Ref	Expression
1		com5.1	. . . 4 ⊢ (𝜑 → (𝜓 → (𝜒 → (𝜃 → (𝜏 → 𝜂)))))
2	1	com24 87	. . 3 ⊢ (𝜑 → (𝜃 → (𝜒 → (𝜓 → (𝜏 → 𝜂)))))
3	2	com45 89	. 2 ⊢ (𝜑 → (𝜃 → (𝜒 → (𝜏 → (𝜓 → 𝜂)))))
4	3	com24 87	1 ⊢ (𝜑 → (𝜏 → (𝜒 → (𝜃 → (𝜓 → 𝜂)))))

Syntax hints:   → wi 4

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7

This theorem is referenced by:  bj-inf2vnlem2  15617