Metamath Proof Explorer


Theorem com52r

Description: Commutation of antecedents. Rotate right twice. (Contributed by Jeff Hankins, 28-Jun-2009)

Ref Expression
Hypothesis com5.1 φ ψ χ θ τ η
Assertion com52r θ τ φ ψ χ η

Proof

Step Hyp Ref Expression
1 com5.1 φ ψ χ θ τ η
2 1 com52l χ θ τ φ ψ η
3 2 com5l θ τ φ ψ χ η