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Theorem nvelOLD 5275
Description: Obsolete proof of nvel 5272, obsolete as of 1-May-2026. (Contributed by FL, 31-Dec-2006.) (Proof modification is discouraged.) (New usage is discouraged.)
Assertion
Ref Expression
nvelOLD ¬ V ∈ 𝐴

Proof of Theorem nvelOLD
StepHypRef Expression
1 vprc 5273 . 2 ¬ V ∈ V
2 elex 3471 . 2 (V ∈ 𝐴 → V ∈ V)
31, 2mto 200 1 ¬ V ∈ 𝐴
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  ¬ wn 3   ∈ wcel 2144  Vcvv 3450
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1827  ax-4 1841  ax-5 1942  ax-6 1999  ax-7 2040  ax-8 2146  ax-9 2154  ax-ext 2732  ax-sep 5248
This proof depends on definitions:  df-bi 210  df-an 402  df-tru 1572  df-ex 1812  df-sb 2099  df-clab 2739  df-cleq 2752  df-clel 2835  df-v 3452
This theorem is used by: (None)
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