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| Mirrors > Home > ILE Home > Th. List > elres | Unicode version | ||
| Description: Membership in a restriction. (Contributed by Scott Fenton, 17-Mar-2011.) |
| Ref | Expression |
|---|---|
| elres |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | relres 5033 |
. . . . 5
| |
| 2 | elrel 4821 |
. . . . 5
| |
| 3 | 1, 2 | mpan 424 |
. . . 4
|
| 4 | eleq1 2292 |
. . . . . . . . 9
| |
| 5 | 4 | biimpd 144 |
. . . . . . . 8
|
| 6 | vex 2802 |
. . . . . . . . . . 11
| |
| 7 | 6 | opelres 5010 |
. . . . . . . . . 10
|
| 8 | 7 | biimpi 120 |
. . . . . . . . 9
|
| 9 | 8 | ancomd 267 |
. . . . . . . 8
|
| 10 | 5, 9 | syl6com 35 |
. . . . . . 7
|
| 11 | 10 | ancld 325 |
. . . . . 6
|
| 12 | an12 561 |
. . . . . 6
| |
| 13 | 11, 12 | imbitrdi 161 |
. . . . 5
|
| 14 | 13 | 2eximdv 1928 |
. . . 4
|
| 15 | 3, 14 | mpd 13 |
. . 3
|
| 16 | rexcom4 2823 |
. . . 4
| |
| 17 | df-rex 2514 |
. . . . 5
| |
| 18 | 17 | exbii 1651 |
. . . 4
|
| 19 | excom 1710 |
. . . 4
| |
| 20 | 16, 18, 19 | 3bitri 206 |
. . 3
|
| 21 | 15, 20 | sylibr 134 |
. 2
|
| 22 | 7 | simplbi2com 1487 |
. . . . . 6
|
| 23 | 4 | biimprd 158 |
. . . . . 6
|
| 24 | 22, 23 | syl9 72 |
. . . . 5
|
| 25 | 24 | impd 254 |
. . . 4
|
| 26 | 25 | exlimdv 1865 |
. . 3
|
| 27 | 26 | rexlimiv 2642 |
. 2
|
| 28 | 21, 27 | impbii 126 |
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 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-14 2203 ax-ext 2211 ax-sep 4202 ax-pow 4258 ax-pr 4293 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 df-rex 2514 df-v 2801 df-un 3201 df-in 3203 df-ss 3210 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 df-opab 4146 df-xp 4725 df-rel 4726 df-res 4731 |
| This theorem is referenced by: elsnres 5042 |
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