Theorem simp3l1 1291

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

Assertion

Ref	Expression
simp3l1	⊢ ((𝜏 ∧ 𝜂 ∧ ((𝜑 ∧ 𝜓 ∧ 𝜒) ∧ 𝜃)) → 𝜑)

Proof of Theorem simp3l1

Step	Hyp	Ref	Expression
1		simpl1 1204	. 2 ⊢ (((𝜑 ∧ 𝜓 ∧ 𝜒) ∧ 𝜃) → 𝜑)
2	1	3ad2ant3 1147	1 ⊢ ((𝜏 ∧ 𝜂 ∧ ((𝜑 ∧ 𝜓 ∧ 𝜒) ∧ 𝜃)) → 𝜑)

Syntax hints:   → wi 4   ∧ wa 399   ∧ w3a 1097

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 209  df-an 400  df-3an 1099

This theorem is referenced by:  bdayfinbndlem1  28537  cvmlift2lem10  35626  cdleme26ee  40948  cdleme36m  41049  cdleme40m  41055  cdlemg18b  41267  cdlemk5u  41449  cdlemk6u  41450  cdlemk21N  41461  cdlemk20  41462  cdlemk27-3  41495  cdlemk28-3  41496  dihmeetlem20N  41914