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Theorem simp-4l 547
Description: Simplification of a conjunction. (Contributed by Mario Carneiro, 4-Jan-2017.)
Assertion
Ref Expression
simp-4l (((((𝜑 ∧ 𝜓) ∧ 𝜒) ∧ 𝜃) ∧ 𝜏) → 𝜑)

Proof of Theorem simp-4l
StepHypRef Expression
1 simplll 539 . 2 ((((𝜑 ∧ 𝜓) ∧ 𝜒) ∧ 𝜃) → 𝜑)
21adantr 276 1 (((((𝜑 ∧ 𝜓) ∧ 𝜒) ∧ 𝜃) ∧ 𝜏) → 𝜑)
Colors of variables:    wff set class
This proof depends on syntax axioms:   → wi 4   ∧ wa 104
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108
This theorem is used by:  simp-5l  549  disjiun  4125  fnfi  7250  mapfi  7261  nninfisol  7474  swrdccatin1  11513  sumeq2  12144  zsumdc  12170  modfsummod  12244  prodeq2  12343  zproddc  12365  mulgval  13978  mplsubgfilemcl  15181  cncnp  15422  fsumcncntop  15759  dvmptfsum  15917  dvply2g  15958  logbgcd1irrap  16172  upgriswlkdc  16772  clwwlkccatlem  16812
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