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Theorem com5r 90
Description: Commutation of antecedents. Rotate right. (Contributed by Wolf Lammen, 29-Jul-2012.)
Hypothesis
Ref Expression
com5.1 (φ → (ψ → (χ → (θ → (τη)))))
Assertion
Ref Expression
com5r (τ → (φ → (ψ → (χ → (θη)))))

Proof of Theorem com5r
StepHypRef Expression
1 com5.1 . . 3 (φ → (ψ → (χ → (θ → (τη)))))
21com52l 88 . 2 (χ → (θ → (τ → (φ → (ψη)))))
32com52l 88 1 (τ → (φ → (ψ → (χ → (θη)))))
Colors of variables: wff setvar class
Syntax hints:  wi 4
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7
This theorem is referenced by: (None)
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