Theorem otex 5423

Description: An ordered triple of classes is a set. (Contributed by NM, 3-Apr-2015.)

Assertion

Ref	Expression
otex	⊢ ⟨𝐴, 𝐵, 𝐶⟩ ∈ V

Proof of Theorem otex

Step	Hyp	Ref	Expression
1		df-ot 4591	. 2 ⊢ ⟨𝐴, 𝐵, 𝐶⟩ = ⟨⟨𝐴, 𝐵⟩, 𝐶⟩
2		opex 5421	. 2 ⊢ ⟨⟨𝐴, 𝐵⟩, 𝐶⟩ ∈ V
3	1, 2	eqeltri 2833	1 ⊢ ⟨𝐴, 𝐵, 𝐶⟩ ∈ V

Syntax hints:   ∈ wcel 2114  Vcvv 3442  ⟨cop 4588  ⟨cotp 4590

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 5245  ax-pr 5381

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3an 1089  df-tru 1545  df-ex 1782  df-sb 2069  df-clab 2716  df-cleq 2729  df-clel 2812  df-rab 3402  df-v 3444  df-un 3908  df-in 3910  df-ss 3920  df-sn 4583  df-pr 4585  df-op 4589  df-ot 4591

This theorem is referenced by:  euotd  5471  ralxp3f  8091  xpord3lem  8103  xpord3pred  8106  splval  14688  splcl  14689  idaval  17996  idaf  18001  eldmcoa  18003  coaval  18006  mamufval  22353  msrval  35760  msrf  35764  mapdhval  42129  mndtcco  49973