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| Mirrors > Home > ILE Home > Th. List > xpiindim | Unicode version | ||
| Description: Distributive law for cross product over indexed intersection. (Contributed by Jim Kingdon, 7-Dec-2018.) |
| Ref | Expression |
|---|---|
| xpiindim |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | relxp 4784 |
. . . . . 6
| |
| 2 | 1 | rgenw 2561 |
. . . . 5
|
| 3 | r19.2m 3547 |
. . . . 5
| |
| 4 | 2, 3 | mpan2 425 |
. . . 4
|
| 5 | reliin 4797 |
. . . 4
| |
| 6 | 4, 5 | syl 14 |
. . 3
|
| 7 | relxp 4784 |
. . 3
| |
| 8 | 6, 7 | jctil 312 |
. 2
|
| 9 | eleq1w 2266 |
. . . . . . . 8
| |
| 10 | 9 | cbvexv 1942 |
. . . . . . 7
|
| 11 | r19.28mv 3553 |
. . . . . . 7
| |
| 12 | 10, 11 | sylbir 135 |
. . . . . 6
|
| 13 | 12 | bicomd 141 |
. . . . 5
|
| 14 | eliin 3932 |
. . . . . . 7
| |
| 15 | 14 | elv 2776 |
. . . . . 6
|
| 16 | 15 | anbi2i 457 |
. . . . 5
|
| 17 | opelxp 4705 |
. . . . . 6
| |
| 18 | 17 | ralbii 2512 |
. . . . 5
|
| 19 | 13, 16, 18 | 3bitr4g 223 |
. . . 4
|
| 20 | opelxp 4705 |
. . . 4
| |
| 21 | vex 2775 |
. . . . . 6
| |
| 22 | vex 2775 |
. . . . . 6
| |
| 23 | 21, 22 | opex 4273 |
. . . . 5
|
| 24 | eliin 3932 |
. . . . 5
| |
| 25 | 23, 24 | ax-mp 5 |
. . . 4
|
| 26 | 19, 20, 25 | 3bitr4g 223 |
. . 3
|
| 27 | 26 | eqrelrdv2 4774 |
. 2
|
| 28 | 8, 27 | mpancom 422 |
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 711 ax-5 1470 ax-7 1471 ax-gen 1472 ax-ie1 1516 ax-ie2 1517 ax-8 1527 ax-10 1528 ax-11 1529 ax-i12 1530 ax-bndl 1532 ax-4 1533 ax-17 1549 ax-i9 1553 ax-ial 1557 ax-i5r 1558 ax-14 2179 ax-ext 2187 ax-sep 4162 ax-pow 4218 ax-pr 4253 |
| This theorem depends on definitions: df-bi 117 df-3an 983 df-tru 1376 df-nf 1484 df-sb 1786 df-clab 2192 df-cleq 2198 df-clel 2201 df-nfc 2337 df-ral 2489 df-rex 2490 df-v 2774 df-un 3170 df-in 3172 df-ss 3179 df-pw 3618 df-sn 3639 df-pr 3640 df-op 3642 df-iin 3930 df-opab 4106 df-xp 4681 df-rel 4682 |
| This theorem is referenced by: xpriindim 4816 |
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