Metamath Proof Explorer


Theorem simp-10r

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

Ref Expression
Assertion simp-10r φψχθτηζσρμλψ

Proof

Step Hyp Ref Expression
1 id ψψ
2 1 ad10antlr φψχθτηζσρμλψ