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Mirrors > Home > MPE Home > Th. List > reu6 | Structured version Visualization version Unicode version |
Description: A way to express restricted uniqueness. (Contributed by NM, 20-Oct-2006.) |
Ref | Expression |
---|---|
reu6 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-reu 2919 | . 2 | |
2 | 19.28v 1909 | . . . . 5 | |
3 | eleq1 2689 | . . . . . . . . . . . 12 | |
4 | sbequ12 2111 | . . . . . . . . . . . 12 | |
5 | 3, 4 | anbi12d 747 | . . . . . . . . . . 11 |
6 | equequ1 1952 | . . . . . . . . . . 11 | |
7 | 5, 6 | bibi12d 335 | . . . . . . . . . 10 |
8 | equid 1939 | . . . . . . . . . . . 12 | |
9 | 8 | tbt 359 | . . . . . . . . . . 11 |
10 | simpl 473 | . . . . . . . . . . 11 | |
11 | 9, 10 | sylbir 225 | . . . . . . . . . 10 |
12 | 7, 11 | syl6bi 243 | . . . . . . . . 9 |
13 | 12 | spimv 2257 | . . . . . . . 8 |
14 | ibar 525 | . . . . . . . . . . 11 | |
15 | 14 | bibi1d 333 | . . . . . . . . . 10 |
16 | 15 | biimprcd 240 | . . . . . . . . 9 |
17 | 16 | sps 2055 | . . . . . . . 8 |
18 | 13, 17 | jca 554 | . . . . . . 7 |
19 | 18 | axc4i 2131 | . . . . . 6 |
20 | biimp 205 | . . . . . . . . . . 11 | |
21 | 20 | imim2i 16 | . . . . . . . . . 10 |
22 | 21 | impd 447 | . . . . . . . . 9 |
23 | 22 | adantl 482 | . . . . . . . 8 |
24 | eleq1a 2696 | . . . . . . . . . . . 12 | |
25 | 24 | adantr 481 | . . . . . . . . . . 11 |
26 | 25 | imp 445 | . . . . . . . . . 10 |
27 | biimpr 210 | . . . . . . . . . . . . . 14 | |
28 | 27 | imim2i 16 | . . . . . . . . . . . . 13 |
29 | 28 | com23 86 | . . . . . . . . . . . 12 |
30 | 29 | imp 445 | . . . . . . . . . . 11 |
31 | 30 | adantll 750 | . . . . . . . . . 10 |
32 | 26, 31 | jcai 559 | . . . . . . . . 9 |
33 | 32 | ex 450 | . . . . . . . 8 |
34 | 23, 33 | impbid 202 | . . . . . . 7 |
35 | 34 | alimi 1739 | . . . . . 6 |
36 | 19, 35 | impbii 199 | . . . . 5 |
37 | df-ral 2917 | . . . . . 6 | |
38 | 37 | anbi2i 730 | . . . . 5 |
39 | 2, 36, 38 | 3bitr4i 292 | . . . 4 |
40 | 39 | exbii 1774 | . . 3 |
41 | df-eu 2474 | . . 3 | |
42 | df-rex 2918 | . . 3 | |
43 | 40, 41, 42 | 3bitr4i 292 | . 2 |
44 | 1, 43 | bitri 264 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wb 196 wa 384 wal 1481 wex 1704 wsb 1880 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-cleq 2615 df-clel 2618 df-ral 2917 df-rex 2918 df-reu 2919 |
This theorem is referenced by: reu3 3396 reu6i 3397 reu8 3402 xpf1o 8122 ufileu 21723 isppw2 24841 cusgrfilem2 26352 fgreu 29471 fcnvgreu 29472 fourierdlem50 40373 |
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