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| Mirrors > Home > ILE Home > Th. List > coiun | Unicode version | ||
| Description: Composition with an indexed union. (Contributed by NM, 21-Dec-2008.) |
| Ref | Expression |
|---|---|
| coiun |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | relco 5168 |
. 2
| |
| 2 | reliun 4784 |
. . 3
| |
| 3 | relco 5168 |
. . . 4
| |
| 4 | 3 | a1i 9 |
. . 3
|
| 5 | 2, 4 | mprgbir 2555 |
. 2
|
| 6 | eliun 3920 |
. . . . . . . 8
| |
| 7 | df-br 4034 |
. . . . . . . 8
| |
| 8 | df-br 4034 |
. . . . . . . . 9
| |
| 9 | 8 | rexbii 2504 |
. . . . . . . 8
|
| 10 | 6, 7, 9 | 3bitr4i 212 |
. . . . . . 7
|
| 11 | 10 | anbi1i 458 |
. . . . . 6
|
| 12 | r19.41v 2653 |
. . . . . 6
| |
| 13 | 11, 12 | bitr4i 187 |
. . . . 5
|
| 14 | 13 | exbii 1619 |
. . . 4
|
| 15 | rexcom4 2786 |
. . . 4
| |
| 16 | 14, 15 | bitr4i 187 |
. . 3
|
| 17 | vex 2766 |
. . . 4
| |
| 18 | vex 2766 |
. . . 4
| |
| 19 | 17, 18 | opelco 4838 |
. . 3
|
| 20 | eliun 3920 |
. . . 4
| |
| 21 | 17, 18 | opelco 4838 |
. . . . 5
|
| 22 | 21 | rexbii 2504 |
. . . 4
|
| 23 | 20, 22 | bitri 184 |
. . 3
|
| 24 | 16, 19, 23 | 3bitr4i 212 |
. 2
|
| 25 | 1, 5, 24 | eqrelriiv 4757 |
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 710 ax-5 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-14 2170 ax-ext 2178 ax-sep 4151 ax-pow 4207 ax-pr 4242 |
| This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1475 df-sb 1777 df-eu 2048 df-mo 2049 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-ral 2480 df-rex 2481 df-v 2765 df-un 3161 df-in 3163 df-ss 3170 df-pw 3607 df-sn 3628 df-pr 3629 df-op 3631 df-iun 3918 df-br 4034 df-opab 4095 df-xp 4669 df-rel 4670 df-co 4672 |
| This theorem is referenced by: (None) |
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