Theorem structex 17075

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 17073	. 2 ⊢ Rel Struct
2	1	brrelex1i 5678	1 ⊢ (𝐺 Struct 𝑋 → 𝐺 ∈ V)

Syntax hints:   → wi 4   ∈ wcel 2113  Vcvv 3438   class class class wbr 5096   Struct cstr 17071

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1968  ax-7 2009  ax-8 2115  ax-9 2123  ax-ext 2706  ax-sep 5239  ax-nul 5249  ax-pr 5375

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1544  df-fal 1554  df-ex 1781  df-sb 2068  df-clab 2713  df-cleq 2726  df-clel 2809  df-ral 3050  df-rex 3059  df-rab 3398  df-v 3440  df-dif 3902  df-un 3904  df-ss 3916  df-nul 4284  df-if 4478  df-sn 4579  df-pr 4581  df-op 4585  df-br 5097  df-opab 5159  df-xp 5628  df-rel 5629  df-struct 17072

This theorem is referenced by:  setsn0fun  17098  setsstruct2  17099  strfv  17128  basprssdmsets  17146  opelstrbas  17147  cnfldexOLD  21325  edgfiedgval  29039  structgrssvtxlem  29045  setsiedg  29058