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Mirrors > Home > ILE Home > Th. List > ixpin | Unicode version |
Description: The intersection of two infinite Cartesian products. (Contributed by Mario Carneiro, 3-Feb-2015.) |
Ref | Expression |
---|---|
ixpin |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | anandi 580 | . . . 4 | |
2 | elin 3305 | . . . . . . 7 | |
3 | 2 | ralbii 2472 | . . . . . 6 |
4 | r19.26 2592 | . . . . . 6 | |
5 | 3, 4 | bitri 183 | . . . . 5 |
6 | 5 | anbi2i 453 | . . . 4 |
7 | vex 2729 | . . . . . 6 | |
8 | 7 | elixp 6671 | . . . . 5 |
9 | 7 | elixp 6671 | . . . . 5 |
10 | 8, 9 | anbi12i 456 | . . . 4 |
11 | 1, 6, 10 | 3bitr4i 211 | . . 3 |
12 | 7 | elixp 6671 | . . 3 |
13 | elin 3305 | . . 3 | |
14 | 11, 12, 13 | 3bitr4i 211 | . 2 |
15 | 14 | eqriv 2162 | 1 |
Colors of variables: wff set class |
Syntax hints: wa 103 wceq 1343 wcel 2136 wral 2444 cin 3115 wfn 5183 cfv 5188 cixp 6664 |
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-3an 970 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-rex 2450 df-v 2728 df-un 3120 df-in 3122 df-ss 3129 df-sn 3582 df-pr 3583 df-op 3585 df-uni 3790 df-br 3983 df-opab 4044 df-rel 4611 df-cnv 4612 df-co 4613 df-dm 4614 df-iota 5153 df-fun 5190 df-fn 5191 df-fv 5196 df-ixp 6665 |
This theorem is referenced by: (None) |
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