Theorem otth 4334

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 3679	. . 3 |- <. A , B , R >. = <. <. A , B >. , R >.
2		df-ot 3679	. . 3 |- <. C , D , S >. = <. <. C , D >. , S >.
3	1, 2	eqeq12i 2245	. 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 4333	. 2 |- ( <. <. A , B >. , R >. = <. <. C , D >. , S >. <-> ( A = C /\ B = D /\ R = S ) )
8	3, 7	bitri 184	1 |- ( <. A , B , R >. = <. C , D , S >. <-> ( A = C /\ B = D /\ R = S ) )

Syntax hints:   <-> wb 105   /\ w3a 1004   = wceq 1397   e. wcel 2202   _Vcvv 2802   <.cop 3672   <.cotp 3673

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-io 716  ax-5 1495  ax-7 1496  ax-gen 1497  ax-ie1 1541  ax-ie2 1542  ax-8 1552  ax-10 1553  ax-11 1554  ax-i12 1555  ax-bndl 1557  ax-4 1558  ax-17 1574  ax-i9 1578  ax-ial 1582  ax-i5r 1583  ax-14 2205  ax-ext 2213  ax-sep 4207  ax-pow 4264  ax-pr 4299

This theorem depends on definitions:  df-bi 117  df-3an 1006  df-tru 1400  df-nf 1509  df-sb 1811  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2363  df-v 2804  df-un 3204  df-in 3206  df-ss 3213  df-pw 3654  df-sn 3675  df-pr 3676  df-op 3678  df-ot 3679

This theorem is referenced by:  euotd  4347