Theorem simp33 1002

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

Assertion

Ref	Expression
simp33	⊢ ((𝜑 ∧ 𝜓 ∧ (𝜒 ∧ 𝜃 ∧ 𝜏)) → 𝜏)

Proof of Theorem simp33

Step	Hyp	Ref	Expression
1		simp3 966	. 2 ⊢ ((𝜒 ∧ 𝜃 ∧ 𝜏) → 𝜏)
2	1	3ad2ant3 987	1 ⊢ ((𝜑 ∧ 𝜓 ∧ (𝜒 ∧ 𝜃 ∧ 𝜏)) → 𝜏)

Syntax hints:   → wi 4   ∧ w3a 945

This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 105  ax-ia2 106  ax-ia3 107

This theorem depends on definitions:  df-bi 116  df-3an 947

This theorem is referenced by:  simpl33  1047  simpr33  1056  simp133  1101  simp233  1110  simp333  1119