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| Mirrors > Home > ILE Home > Th. List > opeq2d | Unicode version | ||
| Description: Equality deduction for ordered pairs. (Contributed by NM, 16-Dec-2006.) | 
| Ref | Expression | 
|---|---|
| opeq1d.1 | 
 | 
| Ref | Expression | 
|---|---|
| opeq2d | 
 | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | opeq1d.1 | 
. 2
 | |
| 2 | opeq2 3809 | 
. 2
 | |
| 3 | 1, 2 | syl 14 | 
1
 | 
| Colors of variables: wff set class | 
| Syntax hints:     | 
| 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 710 ax-5 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-ext 2178 | 
| This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1475 df-sb 1777 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-v 2765 df-un 3161 df-sn 3628 df-pr 3629 df-op 3631 | 
| This theorem is referenced by: tfr1onlemaccex 6406 tfrcllemaccex 6419 fundmen 6865 exmidapne 7327 recexnq 7457 suplocexprlemex 7789 elreal2 7897 frecuzrdgrrn 10500 frec2uzrdg 10501 frecuzrdgrcl 10502 frecuzrdgsuc 10506 frecuzrdgrclt 10507 frecuzrdgg 10508 frecuzrdgsuctlem 10515 seqeq2 10543 seqeq3 10544 iseqvalcbv 10551 seq3val 10552 seqvalcd 10553 eucalgval 12222 ennnfonelemp1 12623 ennnfonelemnn0 12639 strsetsid 12711 ressvalsets 12742 strressid 12749 ressinbasd 12752 ressressg 12753 prdsex 12940 imasex 12948 imasival 12949 imasaddvallemg 12958 xpsfval 12991 xpsval 12995 mgpvalg 13479 mgpress 13487 ring1 13615 opprvalg 13625 sraval 13993 zlmval 14183 znval 14192 znval2 14194 psrval 14220 | 
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