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Mirrors > Home > MPE Home > Th. List > reu3 | Structured version Visualization version Unicode version |
Description: A way to express restricted uniqueness. (Contributed by NM, 24-Oct-2006.) |
Ref | Expression |
---|---|
reu3 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | reurex 3160 | . . 3 | |
2 | reu6 3395 | . . . 4 | |
3 | biimp 205 | . . . . . 6 | |
4 | 3 | ralimi 2952 | . . . . 5 |
5 | 4 | reximi 3011 | . . . 4 |
6 | 2, 5 | sylbi 207 | . . 3 |
7 | 1, 6 | jca 554 | . 2 |
8 | rexex 3002 | . . . 4 | |
9 | 8 | anim2i 593 | . . 3 |
10 | eu3v 2498 | . . . 4 | |
11 | df-reu 2919 | . . . 4 | |
12 | df-rex 2918 | . . . . 5 | |
13 | df-ral 2917 | . . . . . . 7 | |
14 | impexp 462 | . . . . . . . 8 | |
15 | 14 | albii 1747 | . . . . . . 7 |
16 | 13, 15 | bitr4i 267 | . . . . . 6 |
17 | 16 | exbii 1774 | . . . . 5 |
18 | 12, 17 | anbi12i 733 | . . . 4 |
19 | 10, 11, 18 | 3bitr4i 292 | . . 3 |
20 | 9, 19 | sylibr 224 | . 2 |
21 | 7, 20 | impbii 199 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wb 196 wa 384 wal 1481 wex 1704 wcel 1990 weu 2470 wral 2912 wrex 2913 wreu 2914 |
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-12 2047 ax-13 2246 ax-ext 2602 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-cleq 2615 df-clel 2618 df-ral 2917 df-rex 2918 df-reu 2919 df-rmo 2920 |
This theorem is referenced by: reu7 3401 2reu4a 41189 |
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