Theorem structex 17199

Description: A structure is a set. (Contributed by AV, 10-Nov-2021.)

Assertion

Ref	Expression
structex	⊢ (𝐺 Struct 𝑋 → 𝐺 ∈ V)

Proof of Theorem structex

Step	Hyp	Ref	Expression
1		brstruct 17197	. 2 ⊢ Rel Struct
2	1	brrelex1i 5756	1 ⊢ (𝐺 Struct 𝑋 → 𝐺 ∈ V)

Syntax hints:   → wi 4   ∈ wcel 2108  Vcvv 3488   class class class wbr 5166   Struct cstr 17195

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1793  ax-4 1807  ax-5 1909  ax-6 1967  ax-7 2007  ax-8 2110  ax-9 2118  ax-ext 2711  ax-sep 5317  ax-nul 5324  ax-pr 5447

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 847  df-3an 1089  df-tru 1540  df-fal 1550  df-ex 1778  df-sb 2065  df-clab 2718  df-cleq 2732  df-clel 2819  df-ral 3068  df-rex 3077  df-rab 3444  df-v 3490  df-dif 3979  df-un 3981  df-ss 3993  df-nul 4353  df-if 4549  df-sn 4649  df-pr 4651  df-op 4655  df-br 5167  df-opab 5229  df-xp 5706  df-rel 5707  df-struct 17196

This theorem is referenced by:  setsn0fun  17222  setsstruct2  17223  strfv  17253  basprssdmsets  17273  opelstrbas  17274  cnfldexOLD  21407  edgfiedgval  29054  structgrssvtxlem  29060  setsiedg  29073