Metamath Proof Explorer


Theorem simp2rr

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

Ref Expression
Assertion simp2rr ( ( 𝜃 ∧ ( 𝜒 ∧ ( 𝜑𝜓 ) ) ∧ 𝜏 ) → 𝜓 )

Proof

Step Hyp Ref Expression
1 simprr ( ( 𝜒 ∧ ( 𝜑𝜓 ) ) → 𝜓 )
2 1 3ad2ant2 ( ( 𝜃 ∧ ( 𝜒 ∧ ( 𝜑𝜓 ) ) ∧ 𝜏 ) → 𝜓 )