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Mirrors > Home > MPE Home > Th. List > eujustALT | Structured version Visualization version Unicode version |
Description: Alternate proof of eujust 2472 illustrating the use of dvelim 2337. (Contributed by NM, 11-Mar-2010.) (Proof modification is discouraged.) (New usage is discouraged.) |
Ref | Expression |
---|---|
eujustALT |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | equequ2 1953 | . . . . . 6 | |
2 | 1 | bibi2d 332 | . . . . 5 |
3 | 2 | albidv 1849 | . . . 4 |
4 | 3 | sps 2055 | . . 3 |
5 | 4 | drex1 2327 | . 2 |
6 | hbnae 2317 | . . . . . 6 | |
7 | hbnae 2317 | . . . . . 6 | |
8 | 6, 7 | alrimih 1751 | . . . . 5 |
9 | ax-5 1839 | . . . . . . . 8 | |
10 | equequ2 1953 | . . . . . . . . . . 11 | |
11 | 10 | bibi2d 332 | . . . . . . . . . 10 |
12 | 11 | albidv 1849 | . . . . . . . . 9 |
13 | 12 | notbid 308 | . . . . . . . 8 |
14 | 9, 13 | dvelim 2337 | . . . . . . 7 |
15 | 14 | naecoms 2313 | . . . . . 6 |
16 | ax-5 1839 | . . . . . . 7 | |
17 | equequ2 1953 | . . . . . . . . . 10 | |
18 | 17 | bibi2d 332 | . . . . . . . . 9 |
19 | 18 | albidv 1849 | . . . . . . . 8 |
20 | 19 | notbid 308 | . . . . . . 7 |
21 | 16, 20 | dvelim 2337 | . . . . . 6 |
22 | 3 | notbid 308 | . . . . . . 7 |
23 | 22 | a1i 11 | . . . . . 6 |
24 | 15, 21, 23 | cbv2h 2269 | . . . . 5 |
25 | 8, 24 | syl 17 | . . . 4 |
26 | 25 | notbid 308 | . . 3 |
27 | df-ex 1705 | . . 3 | |
28 | df-ex 1705 | . . 3 | |
29 | 26, 27, 28 | 3bitr4g 303 | . 2 |
30 | 5, 29 | pm2.61i 176 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wn 3 wi 4 wb 196 wal 1481 wex 1704 |
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-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-tru 1486 df-ex 1705 df-nf 1710 |
This theorem is referenced by: (None) |
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