Metamath Proof Explorer


Theorem simp-5l

Description: Simplification of a conjunction. (Contributed by Mario Carneiro, 4-Jan-2017) (Proof shortened by Wolf Lammen, 24-May-2022)

Ref Expression
Assertion simp-5l ⊢ φ ∧ ψ ∧ χ ∧ θ ∧ τ ∧ η → φ

Proof

Step Hyp Ref Expression
1 id ⊢ φ → φ
2 1 ad5antr ⊢ φ ∧ ψ ∧ χ ∧ θ ∧ τ ∧ η → φ