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Related theorems Unicode version |
| Description: Composition with an indexed union. |
| Ref | Expression |
|---|---|
| coiun |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | relco 4392 |
. 2
| |
| 2 | reliun 4101 |
. . 3
| |
| 3 | relco 4392 |
. . . 4
| |
| 4 | 3 | a1i 8 |
. . 3
|
| 5 | 2, 4 | mprgbir 2163 |
. 2
|
| 6 | eliun 3259 |
. . . . . . . 8
| |
| 7 | df-br 3339 |
. . . . . . . 8
| |
| 8 | df-br 3339 |
. . . . . . . . 9
| |
| 9 | 8 | rexbii 2128 |
. . . . . . . 8
|
| 10 | 6, 7, 9 | 3bitr4i 200 |
. . . . . . 7
|
| 11 | 10 | anbi1i 539 |
. . . . . 6
|
| 12 | r19.41v 2236 |
. . . . . 6
| |
| 13 | 11, 12 | bitr4i 193 |
. . . . 5
|
| 14 | 13 | exbii 1398 |
. . . 4
|
| 15 | rexcom4 2312 |
. . . 4
| |
| 16 | 14, 15 | bitr4i 193 |
. . 3
|
| 17 | visset 2295 |
. . . 4
| |
| 18 | visset 2295 |
. . . 4
| |
| 19 | 17, 18 | opelco 4130 |
. . 3
|
| 20 | eliun 3259 |
. . . 4
| |
| 21 | 17, 18 | opelco 4130 |
. . . . 5
|
| 22 | 21 | rexbii 2128 |
. . . 4
|
| 23 | 20, 22 | bitri 190 |
. . 3
|
| 24 | 16, 19, 23 | 3bitr4i 200 |
. 2
|
| 25 | 1, 5, 24 | eqrelriv 4080 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: fparlem3 5083 fparlem4 5084 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 1304 ax-gen 1305 ax-8 1306 ax-9 1307 ax-10 1308 ax-11 1309 ax-12 1310 ax-14 1312 ax-17 1317 ax-4 1319 ax-5o 1321 ax-6o 1324 ax-9o 1481 ax-10o 1500 ax-16 1580 ax-11o 1588 ax-ext 1865 ax-sep 3438 ax-nul 3445 ax-pow 3481 ax-pr 3524 |
| This theorem depends on definitions: df-bi 164 df-or 241 df-an 242 df-ex 1327 df-sb 1536 df-eu 1775 df-mo 1776 df-clab 1872 df-cleq 1877 df-clel 1880 df-ne 2019 df-ral 2109 df-rex 2110 df-v 2294 df-dif 2597 df-un 2600 df-in 2603 df-ss 2605 df-nul 2876 df-pw 3035 df-sn 3049 df-pr 3050 df-op 3053 df-iun 3257 df-br 3339 df-opab 3396 df-xp 4000 df-rel 4001 df-co 4003 |