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Theorem el3v13 35529
Description: New way (elv 3496, and the theorems beginning with "el2v" or "el3v") to shorten some proofs. (Contributed by Peter Mazsa, 11-Jul-2021.)
Hypothesis
Ref Expression
el3v13.1 ((𝑥 ∈ V ∧ 𝜓𝑧 ∈ V) → 𝜃)
Assertion
Ref Expression
el3v13 (𝜓𝜃)

Proof of Theorem el3v13
StepHypRef Expression
1 el3v13.1 . . 3 ((𝑥 ∈ V ∧ 𝜓𝑧 ∈ V) → 𝜃)
21el3v3 35527 . 2 ((𝑥 ∈ V ∧ 𝜓) → 𝜃)
32el2v1 35523 1 (𝜓𝜃)
Colors of variables: wff setvar class
Syntax hints:  wi 4  w3a 1082  wcel 2113  Vcvv 3491
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1969  ax-7 2014  ax-8 2115  ax-9 2123  ax-ext 2792
This theorem depends on definitions:  df-bi 209  df-an 399  df-3an 1084  df-ex 1780  df-sb 2069  df-clab 2799  df-cleq 2813  df-clel 2892  df-v 3493
This theorem is referenced by: (None)
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