Metamath Proof Explorer


Theorem simp313

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

Ref Expression
Assertion simp313 ( ( 𝜂𝜁 ∧ ( ( 𝜑𝜓𝜒 ) ∧ 𝜃𝜏 ) ) → 𝜒 )

Proof

Step Hyp Ref Expression
1 simp13 ( ( ( 𝜑𝜓𝜒 ) ∧ 𝜃𝜏 ) → 𝜒 )
2 1 3ad2ant3 ( ( 𝜂𝜁 ∧ ( ( 𝜑𝜓𝜒 ) ∧ 𝜃𝜏 ) ) → 𝜒 )