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Theorem wksv 29697
Description: The class of walks is a set. (Contributed by AV, 15-Jan-2021.) (Proof shortened by SN, 11-Dec-2024.)
Assertion
Ref Expression
wksv {⟨𝑓, 𝑝⟩ ∣ 𝑓(Walks‘𝐺)𝑝} ∈ V
Distinct variable group:   𝑓,𝐺,𝑝

Proof of Theorem wksv
StepHypRef Expression
1 fvex 6848 . 2 (Walks‘𝐺) ∈ V
2 opabss 5163 . 2 {⟨𝑓, 𝑝⟩ ∣ 𝑓(Walks‘𝐺)𝑝} ⊆ (Walks‘𝐺)
31, 2ssexi 5268 1 {⟨𝑓, 𝑝⟩ ∣ 𝑓(Walks‘𝐺)𝑝} ∈ V
Colors of variables: wff setvar class
Syntax hints:  wcel 2114  Vcvv 3441   class class class wbr 5099  {copab 5161  cfv 6493  Walkscwlks 29674
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  ax-sep 5242  ax-nul 5252
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-sb 2069  df-clab 2716  df-cleq 2729  df-clel 2812  df-ne 2934  df-rab 3401  df-v 3443  df-dif 3905  df-un 3907  df-in 3909  df-ss 3919  df-nul 4287  df-sn 4582  df-pr 4584  df-uni 4865  df-br 5100  df-opab 5162  df-iota 6449  df-fv 6501
This theorem is referenced by: (None)
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