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Theorem el3v3 3451
Description: If a proposition is implied by 𝑧 ∈ V (which is true, see vex 3446) and two other antecedents, then it is implied by these other antecedents. (Contributed by Peter Mazsa, 16-Oct-2020.)
Hypothesis
Ref Expression
el3v3.1 ((𝜑𝜓𝑧 ∈ V) → 𝜃)
Assertion
Ref Expression
el3v3 ((𝜑𝜓) → 𝜃)

Proof of Theorem el3v3
StepHypRef Expression
1 vex 3446 . 2 𝑧 ∈ V
2 el3v3.1 . 2 ((𝜑𝜓𝑧 ∈ V) → 𝜃)
31, 2mp3an3 1453 1 ((𝜑𝜓) → 𝜃)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 395  w3a 1087  wcel 2114  Vcvv 3442
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1912  ax-6 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-ext 2709
This theorem depends on definitions:  df-bi 207  df-an 396  df-3an 1089  df-tru 1545  df-ex 1782  df-sb 2069  df-clab 2716  df-cleq 2729  df-clel 2812  df-v 3444
This theorem is referenced by:  el3v13  38484  el3v23  38485  dfgrlic2  48368  dfgrlic3  48370
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