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| Mirrors > Home > ILE Home > Th. List > reupick | Unicode version | ||
| Description: Restricted uniqueness "picks" a member of a subclass. (Contributed by NM, 21-Aug-1999.) |
| Ref | Expression |
|---|---|
| reupick |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ssel 3186 |
. . 3
| |
| 2 | 1 | ad2antrr 488 |
. 2
|
| 3 | df-rex 2489 |
. . . . . 6
| |
| 4 | df-reu 2490 |
. . . . . 6
| |
| 5 | 3, 4 | anbi12i 460 |
. . . . 5
|
| 6 | 1 | ancrd 326 |
. . . . . . . . . . 11
|
| 7 | 6 | anim1d 336 |
. . . . . . . . . 10
|
| 8 | an32 562 |
. . . . . . . . . 10
| |
| 9 | 7, 8 | imbitrdi 161 |
. . . . . . . . 9
|
| 10 | 9 | eximdv 1902 |
. . . . . . . 8
|
| 11 | eupick 2132 |
. . . . . . . . 9
| |
| 12 | 11 | ex 115 |
. . . . . . . 8
|
| 13 | 10, 12 | syl9 72 |
. . . . . . 7
|
| 14 | 13 | com23 78 |
. . . . . 6
|
| 15 | 14 | imp32 257 |
. . . . 5
|
| 16 | 5, 15 | sylan2b 287 |
. . . 4
|
| 17 | 16 | expcomd 1460 |
. . 3
|
| 18 | 17 | imp 124 |
. 2
|
| 19 | 2, 18 | impbid 129 |
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 1469 ax-7 1470 ax-gen 1471 ax-ie1 1515 ax-ie2 1516 ax-8 1526 ax-10 1527 ax-11 1528 ax-i12 1529 ax-bndl 1531 ax-4 1532 ax-17 1548 ax-i9 1552 ax-ial 1556 ax-i5r 1557 ax-ext 2186 |
| This theorem depends on definitions: df-bi 117 df-nf 1483 df-sb 1785 df-eu 2056 df-mo 2057 df-clab 2191 df-cleq 2197 df-clel 2200 df-rex 2489 df-reu 2490 df-in 3171 df-ss 3178 |
| This theorem is referenced by: supelti 7103 |
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