| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 5181 |
. 2
| |
| 2 | reliun 4796 |
. . 3
| |
| 3 | relco 5181 |
. . . 4
| |
| 4 | 3 | a1i 9 |
. . 3
|
| 5 | 2, 4 | mprgbir 2564 |
. 2
|
| 6 | eliun 3931 |
. . . . . . . 8
| |
| 7 | df-br 4045 |
. . . . . . . 8
| |
| 8 | df-br 4045 |
. . . . . . . . 9
| |
| 9 | 8 | rexbii 2513 |
. . . . . . . 8
|
| 10 | 6, 7, 9 | 3bitr4i 212 |
. . . . . . 7
|
| 11 | 10 | anbi1i 458 |
. . . . . 6
|
| 12 | r19.41v 2662 |
. . . . . 6
| |
| 13 | 11, 12 | bitr4i 187 |
. . . . 5
|
| 14 | 13 | exbii 1628 |
. . . 4
|
| 15 | rexcom4 2795 |
. . . 4
| |
| 16 | 14, 15 | bitr4i 187 |
. . 3
|
| 17 | vex 2775 |
. . . 4
| |
| 18 | vex 2775 |
. . . 4
| |
| 19 | 17, 18 | opelco 4850 |
. . 3
|
| 20 | eliun 3931 |
. . . 4
| |
| 21 | 17, 18 | opelco 4850 |
. . . . 5
|
| 22 | 21 | rexbii 2513 |
. . . 4
|
| 23 | 20, 22 | bitri 184 |
. . 3
|
| 24 | 16, 19, 23 | 3bitr4i 212 |
. 2
|
| 25 | 1, 5, 24 | eqrelriiv 4769 |
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-eu 2057 df-mo 2058 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-iun 3929 df-br 4045 df-opab 4106 df-xp 4681 df-rel 4682 df-co 4684 |
| This theorem is referenced by: (None) |
| Copyright terms: Public domain | W3C validator |