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Theorem el3v1 35494
Description: New way (elv 3501, and the theorems beginning with "el2v" or "el3v") to shorten some proofs. (Contributed by Peter Mazsa, 16-Oct-2020.)
Hypothesis
Ref Expression
el3v1.1 ((𝑥 ∈ V ∧ 𝜓𝜒) → 𝜃)
Assertion
Ref Expression
el3v1 ((𝜓𝜒) → 𝜃)

Proof of Theorem el3v1
StepHypRef Expression
1 vex 3499 . 2 𝑥 ∈ V
2 el3v1.1 . 2 ((𝑥 ∈ V ∧ 𝜓𝜒) → 𝜃)
31, 2mp3an1 1444 1 ((𝜓𝜒) → 𝜃)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 398  w3a 1083  wcel 2114  Vcvv 3496
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1970  ax-7 2015  ax-8 2116  ax-9 2124  ax-ext 2795
This theorem depends on definitions:  df-bi 209  df-an 399  df-3an 1085  df-ex 1781  df-sb 2070  df-clab 2802  df-cleq 2816  df-clel 2895  df-v 3498
This theorem is referenced by:  el3v12  35497  br1cossxrnres  35690
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