Metamath Proof Explorer


Theorem simp33r

Description: Simplification of conjunction. (Contributed by NM, 9-Mar-2012)

Ref Expression
Assertion simp33r ⊢ τ ∧ η ∧ χ ∧ θ ∧ φ ∧ ψ → ψ

Proof

Step Hyp Ref Expression
1 simp3r ⊢ χ ∧ θ ∧ φ ∧ ψ → ψ
2 1 3ad2ant3 ⊢ τ ∧ η ∧ χ ∧ θ ∧ φ ∧ ψ → ψ