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Mirrors > Home > MPE Home > Th. List > reuss2 | Structured version Visualization version Unicode version |
Description: Transfer uniqueness to a smaller subclass. (Contributed by NM, 20-Oct-2005.) |
Ref | Expression |
---|---|
reuss2 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-rex 2918 | . . 3 | |
2 | df-reu 2919 | . . 3 | |
3 | 1, 2 | anbi12i 733 | . 2 |
4 | df-ral 2917 | . . . . . . 7 | |
5 | ssel 3597 | . . . . . . . . . . . 12 | |
6 | pm3.2 463 | . . . . . . . . . . . . 13 | |
7 | 6 | imim2d 57 | . . . . . . . . . . . 12 |
8 | 5, 7 | syl6 35 | . . . . . . . . . . 11 |
9 | 8 | a2d 29 | . . . . . . . . . 10 |
10 | 9 | imp4a 614 | . . . . . . . . 9 |
11 | 10 | alimdv 1845 | . . . . . . . 8 |
12 | 11 | imp 445 | . . . . . . 7 |
13 | 4, 12 | sylan2b 492 | . . . . . 6 |
14 | euimmo 2522 | . . . . . 6 | |
15 | 13, 14 | syl 17 | . . . . 5 |
16 | eu5 2496 | . . . . . 6 | |
17 | 16 | simplbi2 655 | . . . . 5 |
18 | 15, 17 | syl9 77 | . . . 4 |
19 | 18 | imp32 449 | . . 3 |
20 | df-reu 2919 | . . 3 | |
21 | 19, 20 | sylibr 224 | . 2 |
22 | 3, 21 | sylan2b 492 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wa 384 wal 1481 wex 1704 wcel 1990 weu 2470 wmo 2471 wral 2912 wrex 2913 wreu 2914 wss 3574 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-ral 2917 df-rex 2918 df-reu 2919 df-in 3581 df-ss 3588 |
This theorem is referenced by: reuss 3908 reuun1 3909 riotass2 6638 |
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