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| Mirrors > Home > NFE Home > Th. List > reupick2 | Unicode version | ||
| Description: Restricted uniqueness "picks" a member of a subclass. (Contributed by Mario Carneiro, 15-Dec-2013.) (Proof shortened by Mario Carneiro, 19-Nov-2016.) |
| Ref | Expression |
|---|---|
| reupick2 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ancr 532 |
. . . . . 6
| |
| 2 | 1 | ralimi 2689 |
. . . . 5
|
| 3 | rexim 2718 |
. . . . 5
| |
| 4 | 2, 3 | syl 15 |
. . . 4
|
| 5 | reupick3 3540 |
. . . . . 6
| |
| 6 | 5 | 3exp 1150 |
. . . . 5
|
| 7 | 6 | com12 27 |
. . . 4
|
| 8 | 4, 7 | syl6 29 |
. . 3
|
| 9 | 8 | 3imp1 1164 |
. 2
|
| 10 | rsp 2674 |
. . . 4
| |
| 11 | 10 | 3ad2ant1 976 |
. . 3
|
| 12 | 11 | imp 418 |
. 2
|
| 13 | 9, 12 | impbid 183 |
1
|
| Colors of variables: wff setvar class |
| Syntax hints: |
| This theorem was proved from axioms: ax-1 5 ax-2 6 ax-3 7 ax-mp 8 ax-gen 1546 ax-5 1557 ax-17 1616 ax-9 1654 ax-8 1675 ax-6 1729 ax-7 1734 ax-11 1746 ax-12 1925 |
| This theorem depends on definitions: df-bi 177 df-or 359 df-an 360 df-3an 936 df-tru 1319 df-ex 1542 df-nf 1545 df-sb 1649 df-eu 2208 df-mo 2209 df-ral 2619 df-rex 2620 df-reu 2621 |
| This theorem is referenced by: (None) |
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