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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: |
| 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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