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| Mirrors > Home > ILE Home > Th. List > ixpiinm | Unicode version | ||
| Description: The indexed intersection of a collection of infinite Cartesian products. (Contributed by Mario Carneiro, 6-Feb-2015.) (Revised by Jim Kingdon, 15-Feb-2023.) |
| Ref | Expression |
|---|---|
| ixpiinm |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eleq1w 2299 |
. . . 4
| |
| 2 | 1 | cbvexv 1974 |
. . 3
|
| 3 | r19.28mv 3617 |
. . . . 5
| |
| 4 | eliin 4012 |
. . . . . . 7
| |
| 5 | 4 | elv 2825 |
. . . . . 6
|
| 6 | vex 2824 |
. . . . . . . 8
| |
| 7 | 6 | elixp 6977 |
. . . . . . 7
|
| 8 | 7 | ralbii 2556 |
. . . . . 6
|
| 9 | 5, 8 | bitri 184 |
. . . . 5
|
| 10 | 6 | elixp 6977 |
. . . . . 6
|
| 11 | vex 2824 |
. . . . . . . . . . 11
| |
| 12 | 6, 11 | fvex 5710 |
. . . . . . . . . 10
|
| 13 | eliin 4012 |
. . . . . . . . . 10
| |
| 14 | 12, 13 | ax-mp 5 |
. . . . . . . . 9
|
| 15 | 14 | ralbii 2556 |
. . . . . . . 8
|
| 16 | ralcom 2714 |
. . . . . . . 8
| |
| 17 | 15, 16 | bitri 184 |
. . . . . . 7
|
| 18 | 17 | anbi2i 461 |
. . . . . 6
|
| 19 | 10, 18 | bitri 184 |
. . . . 5
|
| 20 | 3, 9, 19 | 3bitr4g 223 |
. . . 4
|
| 21 | 20 | eqrdv 2236 |
. . 3
|
| 22 | 2, 21 | sylbir 135 |
. 2
|
| 23 | 22 | eqcomd 2244 |
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 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4244 ax-pow 4306 ax-pr 4341 ax-un 4573 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 df-rex 2534 df-v 2823 df-un 3224 df-in 3226 df-ss 3233 df-pw 3687 df-sn 3711 df-pr 3712 df-op 3714 df-uni 3931 df-iin 4010 df-br 4126 df-opab 4188 df-rel 4776 df-cnv 4777 df-co 4778 df-dm 4779 df-rn 4780 df-iota 5332 df-fun 5374 df-fn 5375 df-fv 5380 df-ixp 6971 |
| This theorem is referenced by: ixpintm 6997 |
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