Theorem simp12 1059

Description: Simplification of doubly triple conjunction. (Contributed by NM, 17-Nov-2011.)

Assertion

Ref	Expression
simp12	⊢ (((𝜑 ∧ 𝜓 ∧ 𝜒) ∧ 𝜃 ∧ 𝜏) → 𝜓)

Proof of Theorem simp12

Step	Hyp	Ref	Expression
1		simp2 1029	. 2 ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜒) → 𝜓)
2	1	3ad2ant1 1049	1 ⊢ (((𝜑 ∧ 𝜓 ∧ 𝜒) ∧ 𝜃 ∧ 𝜏) → 𝜓)

Syntax hints:   → wi 4   ∧ w3a 1009

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108

This theorem depends on definitions:  df-bi 117  df-3an 1011

This theorem is referenced by:  simpl12  1104  simpr12  1113  simp112  1158  simp212  1167  simp312  1176  frecsuclem  6671  dvdsgcd  12772  coprimeprodsq  13019  pythagtriplem4  13030  pythagtriplem13  13038  pythagtriplem14  13039  pythagtriplem16  13041  pythagtrip  13045  pceu  13057