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| Mirrors > Home > ILE Home > Th. List > iinab | Unicode version | ||
| Description: Indexed intersection of a class builder. (Contributed by NM, 6-Dec-2011.) |
| Ref | Expression |
|---|---|
| iinab |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nfcv 2372 |
. . . 4
| |
| 2 | nfab1 2374 |
. . . 4
| |
| 3 | 1, 2 | nfiinxy 3991 |
. . 3
|
| 4 | nfab1 2374 |
. . 3
| |
| 5 | 3, 4 | cleqf 2397 |
. 2
|
| 6 | abid 2217 |
. . . 4
| |
| 7 | 6 | ralbii 2536 |
. . 3
|
| 8 | vex 2802 |
. . . 4
| |
| 9 | eliin 3969 |
. . . 4
| |
| 10 | 8, 9 | ax-mp 5 |
. . 3
|
| 11 | abid 2217 |
. . 3
| |
| 12 | 7, 10, 11 | 3bitr4i 212 |
. 2
|
| 13 | 5, 12 | mpgbir 1499 |
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 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-ext 2211 |
| This theorem depends on definitions: df-bi 117 df-tru 1398 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 df-v 2801 df-iin 3967 |
| This theorem is referenced by: iinrabm 4027 |
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