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Related theorems Unicode version |
| Description: Membership in a class abstraction of pairs. |
| Ref | Expression |
|---|---|
| elopab |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elisset 2299 |
. 2
| |
| 2 | opex 3527 |
. . . . 5
| |
| 3 | eleq1 1957 |
. . . . 5
| |
| 4 | 2, 3 | mpbiri 211 |
. . . 4
|
| 5 | 4 | adantr 425 |
. . 3
|
| 6 | 5 | 19.23aivv 1675 |
. 2
|
| 7 | eleq1 1957 |
. . 3
| |
| 8 | eqeq1 1890 |
. . . . 5
| |
| 9 | 8 | anbi1d 679 |
. . . 4
|
| 10 | 9 | 2exbidv 1659 |
. . 3
|
| 11 | df-opab 3396 |
. . . 4
| |
| 12 | 11 | abeq2i 2001 |
. . 3
|
| 13 | 7, 10, 12 | vtoclbg 2347 |
. 2
|
| 14 | 1, 6, 13 | pm5.21nii 743 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: hbopabOLD 3561 opelopabsb 3564 opelopabg 3567 opabn0 3575 elxp 4018 elcnv 4137 fsplit 5086 hartog 5693 hartogOLD 15384 2ndcctbss 15478 filnetlem1 15640 filnetlem3 15642 filnetlem4 15643 filnetlem5 15644 opabex3 15701 heiborlem24 15978 heiborlem31 15985 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 1304 ax-gen 1305 ax-8 1306 ax-9 1307 ax-10 1308 ax-11 1309 ax-12 1310 ax-14 1312 ax-17 1317 ax-4 1319 ax-5o 1321 ax-6o 1324 ax-9o 1481 ax-10o 1500 ax-16 1580 ax-11o 1588 ax-ext 1865 ax-sep 3438 ax-nul 3445 ax-pow 3481 ax-pr 3524 |
| This theorem depends on definitions: df-bi 164 df-or 241 df-an 242 df-ex 1327 df-sb 1536 df-clab 1872 df-cleq 1877 df-clel 1880 df-ne 2019 df-v 2294 df-dif 2597 df-un 2600 df-in 2603 df-ss 2605 df-nul 2876 df-pw 3035 df-sn 3049 df-pr 3050 df-op 3053 df-opab 3396 |