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Mirrors > Home > ILE Home > Th. List > iinin2m | Unicode version |
Description: Indexed intersection of intersection. Compare to Theorem "Distributive laws" in [Enderton] p. 30. (Contributed by Jim Kingdon, 17-Aug-2018.) |
Ref | Expression |
---|---|
iinin2m |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | r19.28mv 3501 | . . . 4 | |
2 | elin 3305 | . . . . 5 | |
3 | 2 | ralbii 2472 | . . . 4 |
4 | vex 2729 | . . . . . 6 | |
5 | eliin 3871 | . . . . . 6 | |
6 | 4, 5 | ax-mp 5 | . . . . 5 |
7 | 6 | anbi2i 453 | . . . 4 |
8 | 1, 3, 7 | 3bitr4g 222 | . . 3 |
9 | eliin 3871 | . . . 4 | |
10 | 4, 9 | ax-mp 5 | . . 3 |
11 | elin 3305 | . . 3 | |
12 | 8, 10, 11 | 3bitr4g 222 | . 2 |
13 | 12 | eqrdv 2163 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wb 104 wceq 1343 wex 1480 wcel 2136 wral 2444 cvv 2726 cin 3115 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-in 3122 df-iin 3869 |
This theorem is referenced by: iinin1m 3935 |
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