Theorem otth 4953

Description: Ordered triple theorem. (Contributed by NM, 25-Sep-2014.) (Revised by Mario Carneiro, 26-Apr-2015.)

Hypotheses

Ref	Expression
otth.1	|- A e. _V
otth.2	|- B e. _V
otth.3	|- R e. _V

Assertion

Ref	Expression
otth	|- ( <. A , B , R >. = <. C , D , S >. <-> ( A = C /\ B = D /\ R = S ) )

Proof of Theorem otth

Step	Hyp	Ref	Expression
1		df-ot 4186	. . 3 |- <. A , B , R >. = <. <. A , B >. , R >.
2		df-ot 4186	. . 3 |- <. C , D , S >. = <. <. C , D >. , S >.
3	1, 2	eqeq12i 2636	. 2 |- ( <. A , B , R >. = <. C , D , S >. <-> <. <. A , B >. , R >. = <. <. C , D >. , S >. )
4		otth.1	. . 3 |- A e. _V
5		otth.2	. . 3 |- B e. _V
6		otth.3	. . 3 |- R e. _V
7	4, 5, 6	otth2 4952	. 2 |- ( <. <. A , B >. , R >. = <. <. C , D >. , S >. <-> ( A = C /\ B = D /\ R = S ) )
8	3, 7	bitri 264	1 |- ( <. A , B , R >. = <. C , D , S >. <-> ( A = C /\ B = D /\ R = S ) )

Syntax hints:   <-> wb 196   /\ w3a 1037   = wceq 1483   e. wcel 1990   _Vcvv 3200   <.cop 4183   <.cotp 4185

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1722  ax-4 1737  ax-5 1839  ax-6 1888  ax-7 1935  ax-9 1999  ax-10 2019  ax-11 2034  ax-12 2047  ax-13 2246  ax-ext 2602  ax-sep 4781  ax-nul 4789  ax-pr 4906

This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3an 1039  df-tru 1486  df-ex 1705  df-nf 1710  df-sb 1881  df-clab 2609  df-cleq 2615  df-clel 2618  df-nfc 2753  df-rab 2921  df-v 3202  df-dif 3577  df-un 3579  df-in 3581  df-ss 3588  df-nul 3916  df-if 4087  df-sn 4178  df-pr 4180  df-op 4184  df-ot 4186

This theorem is referenced by:  euotd  4975  mthmpps  31479