| Mathbox for Wolf Lammen |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > wl-ax11-lem8 | Structured version Visualization version Unicode version | ||
| Description: Lemma. (Contributed by Wolf Lammen, 30-Jun-2019.) |
| Ref | Expression |
|---|---|
| wl-ax11-lem8 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | axc11n 2307 |
. . 3
| |
| 2 | 1 | con3i 150 |
. 2
|
| 3 | wl-ax11-lem1 33362 |
. . . . . . 7
| |
| 4 | 3 | notbid 308 |
. . . . . 6
|
| 5 | 4 | anbi1d 741 |
. . . . 5
|
| 6 | 4 | anbi1d 741 |
. . . . . . . 8
|
| 7 | axc11n 2307 |
. . . . . . . . . . 11
| |
| 8 | 7 | con3i 150 |
. . . . . . . . . 10
|
| 9 | wl-ax11-lem4 33365 |
. . . . . . . . . . . 12
| |
| 10 | sbequ12 2111 |
. . . . . . . . . . . . . . 15
| |
| 11 | 10 | equcoms 1947 |
. . . . . . . . . . . . . 14
|
| 12 | 11 | sps 2055 |
. . . . . . . . . . . . 13
|
| 13 | 12 | adantr 481 |
. . . . . . . . . . . 12
|
| 14 | 9, 13 | albid 2090 |
. . . . . . . . . . 11
|
| 15 | 14 | ex 450 |
. . . . . . . . . 10
|
| 16 | 8, 15 | syl5 34 |
. . . . . . . . 9
|
| 17 | 16 | pm5.32d 671 |
. . . . . . . 8
|
| 18 | 6, 17 | bitr4d 271 |
. . . . . . 7
|
| 19 | 18 | dral1 2325 |
. . . . . 6
|
| 20 | wl-ax11-lem7 33368 |
. . . . . 6
| |
| 21 | wl-ax11-lem7 33368 |
. . . . . 6
| |
| 22 | 19, 20, 21 | 3bitr3g 302 |
. . . . 5
|
| 23 | 5, 22 | bitr3d 270 |
. . . 4
|
| 24 | pm5.32 668 |
. . . 4
| |
| 25 | 23, 24 | sylibr 224 |
. . 3
|
| 26 | 25 | imp 445 |
. 2
|
| 27 | 2, 26 | sylan2 491 |
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-12 2047 ax-13 2246 ax-wl-11v 33361 |
| 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 |
| This theorem is referenced by: wl-ax11-lem10 33371 |
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