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Theorem wksv 29822
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 6882 . 2 (Walks‘𝐺) ∈ V
2 opabss 5166 . 2 {⟨𝑓, 𝑝⟩ ∣ 𝑓(Walks‘𝐺)𝑝} ⊆ (Walks‘𝐺)
31, 2ssexi 5280 1 {⟨𝑓, 𝑝⟩ ∣ 𝑓(Walks‘𝐺)𝑝} ∈ V
Colors of variables: wff setvar class
Syntax hints:  wcel 2144  Vcvv 3456   class class class wbr 5102  {copab 5164  cfv 6523  Walkscwlks 29799
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1817  ax-4 1831  ax-5 1932  ax-6 1989  ax-7 2030  ax-8 2146  ax-9 2154  ax-ext 2736  ax-sep 5248  ax-nul 5258
This theorem depends on definitions:  df-bi 209  df-an 400  df-or 859  df-3an 1101  df-tru 1565  df-fal 1575  df-ex 1802  df-sb 2093  df-clab 2743  df-cleq 2756  df-clel 2839  df-ne 2960  df-rab 3417  df-v 3458  df-dif 3909  df-un 3911  df-in 3913  df-ss 3923  df-nul 4288  df-sn 4585  df-pr 4587  df-uni 4868  df-br 5103  df-opab 5165  df-iota 6479  df-fv 6531
This theorem is referenced by: (None)
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