Theorem simp12 1055

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 1025	. 2 ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜒) → 𝜓)
2	1	3ad2ant1 1045	1 ⊢ (((𝜑 ∧ 𝜓 ∧ 𝜒) ∧ 𝜃 ∧ 𝜏) → 𝜓)

Syntax hints:   → wi 4   ∧ w3a 1005

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 1007

This theorem is referenced by:  simpl12  1100  simpr12  1109  simp112  1154  simp212  1163  simp312  1172  frecsuclem  6615  dvdsgcd  12644  coprimeprodsq  12891  pythagtriplem4  12902  pythagtriplem13  12910  pythagtriplem14  12911  pythagtriplem16  12913  pythagtrip  12917  pceu  12929