Theorem simp121 1305

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

Assertion

Ref	Expression
simp121	⊢ (((𝜃 ∧ (𝜑 ∧ 𝜓 ∧ 𝜒) ∧ 𝜏) ∧ 𝜂 ∧ 𝜁) → 𝜑)

Proof of Theorem simp121

Step	Hyp	Ref	Expression
1		simp21 1206	. 2 ⊢ ((𝜃 ∧ (𝜑 ∧ 𝜓 ∧ 𝜒) ∧ 𝜏) → 𝜑)
2	1	3ad2ant1 1133	1 ⊢ (((𝜃 ∧ (𝜑 ∧ 𝜓 ∧ 𝜒) ∧ 𝜏) ∧ 𝜂 ∧ 𝜁) → 𝜑)

Syntax hints:   → wi 4   ∧ w3a 1087

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 207  df-an 396  df-3an 1089

This theorem is referenced by:  ax5seglem3  28964  axpasch  28974  exatleN  39361  ps-2b  39439  3atlem1  39440  3atlem2  39441  3atlem4  39443  3atlem5  39444  3atlem6  39445  2llnjaN  39523  4atlem12b  39568  2lplnja  39576  dalempea  39583  dath2  39694  lneq2at  39735  llnexchb2  39826  dalawlem1  39828  osumcllem7N  39919  lhpexle3lem  39968  cdleme26ee  40317  cdlemg34  40669  cdlemg36  40671  cdlemj1  40778  cdlemj2  40779  cdlemk23-3  40859  cdlemk25-3  40861  cdlemk26b-3  40862  cdlemk26-3  40863  cdlemk27-3  40864  cdleml3N  40935  iscnrm3llem2  48630