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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 2308 | . . . 4 | |
2 | nfab1 2310 | . . . 4 | |
3 | 1, 2 | nfiinxy 3893 | . . 3 |
4 | nfab1 2310 | . . 3 | |
5 | 3, 4 | cleqf 2333 | . 2 |
6 | abid 2153 | . . . 4 | |
7 | 6 | ralbii 2472 | . . 3 |
8 | vex 2729 | . . . 4 | |
9 | eliin 3871 | . . . 4 | |
10 | 8, 9 | ax-mp 5 | . . 3 |
11 | abid 2153 | . . 3 | |
12 | 7, 10, 11 | 3bitr4i 211 | . 2 |
13 | 5, 12 | mpgbir 1441 | 1 |
Colors of variables: wff set class |
Syntax hints: wb 104 wceq 1343 wcel 2136 cab 2151 wral 2444 cvv 2726 ciin 3867 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 699 ax-5 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-ext 2147 |
This theorem depends on definitions: df-bi 116 df-tru 1346 df-nf 1449 df-sb 1751 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2297 df-ral 2449 df-v 2728 df-iin 3869 |
This theorem is referenced by: iinrabm 3928 |
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