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| Mirrors > Home > ILE Home > Th. List > ralunb | Unicode version | ||
| Description: Restricted quantification over a union. (Contributed by Scott Fenton, 12-Apr-2011.) (Proof shortened by Andrew Salmon, 29-Jun-2011.) |
| Ref | Expression |
|---|---|
| ralunb |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elun 3350 |
. . . . . 6
| |
| 2 | 1 | imbi1i 238 |
. . . . 5
|
| 3 | jaob 718 |
. . . . 5
| |
| 4 | 2, 3 | bitri 184 |
. . . 4
|
| 5 | 4 | albii 1519 |
. . 3
|
| 6 | 19.26 1530 |
. . 3
| |
| 7 | 5, 6 | bitri 184 |
. 2
|
| 8 | df-ral 2516 |
. 2
| |
| 9 | df-ral 2516 |
. . 3
| |
| 10 | df-ral 2516 |
. . 3
| |
| 11 | 9, 10 | anbi12i 460 |
. 2
|
| 12 | 7, 8, 11 | 3bitr4i 212 |
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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-tru 1401 df-nf 1510 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ral 2516 df-v 2805 df-un 3205 |
| This theorem is referenced by: ralun 3391 ralprg 3724 raltpg 3726 ralunsn 3886 dcfi 7240 zsupcllemstep 10552 pfxsuffeqwrdeq 11345 rexfiuz 11629 modfsummodlemstep 12098 modfsummod 12099 prmind2 12772 2sqlem10 15944 clwwlkccatlem 16341 clwwlknonex2lem2 16379 nninfsellemdc 16736 nninfsellemsuc 16738 |
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