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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 3513 | . . . 4 | |
2 | elin 3316 | . . . . 5 | |
3 | 2 | ralbii 2481 | . . . 4 |
4 | vex 2738 | . . . . . 6 | |
5 | eliin 3887 | . . . . . 6 | |
6 | 4, 5 | ax-mp 5 | . . . . 5 |
7 | 6 | anbi2i 457 | . . . 4 |
8 | 1, 3, 7 | 3bitr4g 223 | . . 3 |
9 | eliin 3887 | . . . 4 | |
10 | 4, 9 | ax-mp 5 | . . 3 |
11 | elin 3316 | . . 3 | |
12 | 8, 10, 11 | 3bitr4g 223 | . 2 |
13 | 12 | eqrdv 2173 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 104 wb 105 wceq 1353 wex 1490 wcel 2146 wral 2453 cvv 2735 cin 3126 ciin 3883 |
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 709 ax-5 1445 ax-7 1446 ax-gen 1447 ax-ie1 1491 ax-ie2 1492 ax-8 1502 ax-10 1503 ax-11 1504 ax-i12 1505 ax-bndl 1507 ax-4 1508 ax-17 1524 ax-i9 1528 ax-ial 1532 ax-i5r 1533 ax-ext 2157 |
This theorem depends on definitions: df-bi 117 df-tru 1356 df-nf 1459 df-sb 1761 df-clab 2162 df-cleq 2168 df-clel 2171 df-nfc 2306 df-ral 2458 df-v 2737 df-in 3133 df-iin 3885 |
This theorem is referenced by: iinin1m 3951 |
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