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Theorem simpr12OLD 1307
Description: Obsolete version of simpr12 1306 as of 24-Jun-2022. (Contributed by NM, 9-Mar-2012.) (Proof modification is discouraged.) (New usage is discouraged.)
Assertion
Ref Expression
simpr12OLD ((𝜂 ∧ ((𝜑𝜓𝜒) ∧ 𝜃𝜏)) → 𝜓)

Proof of Theorem simpr12OLD
StepHypRef Expression
1 simp12 1218 . 2 (((𝜑𝜓𝜒) ∧ 𝜃𝜏) → 𝜓)
21adantl 475 1 ((𝜂 ∧ ((𝜑𝜓𝜒) ∧ 𝜃𝜏)) → 𝜓)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 386  w3a 1071
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 199  df-an 387  df-3an 1073
This theorem is referenced by: (None)
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