Theorem simp3rr 1029

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

Assertion

Ref	Expression
simp3rr	⊢ ((θ ∧ τ ∧ (χ ∧ (φ ∧ ψ))) → ψ)

Proof of Theorem simp3rr

Step	Hyp	Ref	Expression
1		simprr 733	. 2 ⊢ ((χ ∧ (φ ∧ ψ)) → ψ)
2	1	3ad2ant3 978	1 ⊢ ((θ ∧ τ ∧ (χ ∧ (φ ∧ ψ))) → ψ)

Syntax hints:   → wi 4   ∧ wa 358   ∧ w3a 934

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8

This theorem depends on definitions:  df-bi 177  df-an 360  df-3an 936

This theorem is referenced by:  nnpw1ex  4485  tfinpw1  4495  sfin112  4530  sfindbl  4531  sfinltfin  4536