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Theorem simprl1 1073
Description: Simplification of conjunction. (Contributed by NM, 9-Mar-2012.)
Assertion
Ref Expression
simprl1 ((𝜏 ∧ ((𝜑𝜓𝜒) ∧ 𝜃)) → 𝜑)

Proof of Theorem simprl1
StepHypRef Expression
1 simpl1 1031 . 2 (((𝜑𝜓𝜒) ∧ 𝜃) → 𝜑)
21adantl 277 1 ((𝜏 ∧ ((𝜑𝜓𝜒) ∧ 𝜃)) → 𝜑)
Colors of variables:    wff set class
This proof depends on syntax axioms:  wi 4  wa 104  w3a 1009
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108
This proof depends on definitions:  df-bi 117  df-3an 1011
This theorem is used by:  prarloc  7870  icodiamlt  11948  summodc  12152  prodmodclem2  12346  prodmodc  12347  upgr2wlkdc  16630
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