Theorem.
(st),
(st),
(sv),
(pr),
(sv),
(
,
), (
,
), (
,
), (
,
), (
,
),
(![]() ![]() ![]() (([ / ]![]() [ / ] ) (![]() ![]() ))) |
| Hyp | Ref | Line | Expr |
| df-∃mo-alt3 | 1 | (![]() ![]() ![]() ![]() ![]() ![]() ![]() ((![]() [ / ] ) (![]() ![]() ))) | |
| 1 | spec | 2 | (![]() ![]() ![]() [ / ]![]() ((![]() [ / ] ) (![]() ![]() ))) |
| eqt< | 3 | ((![]() ![]() ) ((![]() ![]() ) (![]() ![]() ))) | |
| eq-sb>b | 4 | ((![]() ![]() ) (![]() [ / ] )) | |
| 4 | bi> | 5 | ((![]() ![]() ) (![]() [ / ] )) |
| 4 | bi.bldan<d | 6 | ((![]() ![]() ) ((![]() [ / ] ) ([ / ]![]() [ / ] ))) |
| 3, 6 | bi.bldim<>d | 7 | ((![]() ![]() ) (((![]() [ / ] ) (![]() ![]() )) (([ / ]![]() [ / ] ) (![]() ![]() )))) |
| 7 | bi.bldald | 8 | ((![]() ![]() ) (![]() ((![]() [ / ] ) (![]() ![]() ))![]() ![]() (([ / ]![]() [ / ] ) (![]() ![]() )))) |
| ax17-bv | 9 | ( bound in (![]() ![]() )) | |
| bv-sbb-dv | 10 | ( bound in [ / ] ) | |
| bv-sbb-dv | 11 | ( bound in [ / ] ) | |
| 10, 11 | bv-∧ | 12 | ( bound in ([ / ]![]() [ / ] )) |
| 9, 12 | bv-→ | 13 | ( bound in (([ / ]![]() [ / ] ) (![]() ![]() ))) |
| 13 | bv-∀ | 14 | ( bound in ![]() (([ / ]![]() [ / ] ) (![]() ![]() ))) |
| 8, 14 | sb-xplw | 15 | ([ / ]![]() ((![]() [ / ] ) (![]() ![]() ))![]() ![]() (([ / ]![]() [ / ] ) (![]() ![]() ))) |
| 2, 15 | brpi22 | 16 | (![]() ![]() ![]() ![]() ![]() (([ / ]![]() [ / ] ) (![]() ![]() ))) |
| 16 | spec | 17 | (![]() ![]() ![]() [ / ](([ / ]![]() [ / ] ) (![]() ![]() ))) |
| eqt> | 18 | ((![]() ![]() ) ((![]() ![]() ) (![]() ![]() ))) | |
| eq-sb>b | 19 | ((![]() ![]() ) ([ / ]![]() [ / ][ / ] )) | |
| sbco2w | 20 | ([ / ][ / ]![]() [ / ] ) | |
| 20 | ax1 | 21 | ((![]() ![]() ) ([ / ][ / ]![]() [ / ] )) |
| 19, 21 | bitrd | 22 | ((![]() ![]() ) ([ / ]![]() [ / ] )) |
| 22 | bi> | 23 | ((![]() ![]() ) ([ / ]![]() [ / ] )) |
| 22 | bi.bldan>d | 24 | ((![]() ![]() ) (([ / ]![]() [ / ] ) ([ / ]![]() [ / ] ))) |
| 18, 24 | bi.bldim<>d | 25 | ((![]() ![]() ) ((([ / ]![]() [ / ] ) (![]() ![]() )) (([ / ]![]() [ / ] ) (![]() ![]() )))) |
| ax17-bv | 26 | ( bound in (([ / ]![]() [ / ] ) (![]() ![]() ))) | |
| 25, 26 | sb-xplw | 27 | ([ / ](([ / ]![]() [ / ] ) (![]() ![]() )) (([ / ]![]() [ / ] ) (![]() ![]() ))) |
| 17, 27 | brpi22 | 28 | (![]() ![]() ![]() (([ / ]![]() [ / ] ) (![]() ![]() ))) |