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| Description: Membership in the span of a singleton. All members are collinear with the generating vector. |
| Ref | Expression |
|---|---|
| elspansn2t |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | spansnt 9477 |
. . . 4
| |
| 2 | 1 | eleq2d 1544 |
. . 3
|
| 3 | 2 | 3ad2ant2 803 |
. 2
|
| 4 | eleq1 1537 |
. . . . . 6
| |
| 5 | id 59 |
. . . . . . 7
| |
| 6 | opreq1 3974 |
. . . . . . . . 9
| |
| 7 | 6 | opreq1d 3981 |
. . . . . . . 8
|
| 8 | 7 | opreq1d 3981 |
. . . . . . 7
|
| 9 | 5, 8 | eqeq12d 1492 |
. . . . . 6
|
| 10 | 4, 9 | bibi12d 631 |
. . . . 5
|
| 11 | 10 | imbi2d 614 |
. . . 4
|
| 12 | neeq1 1593 |
. . . . 5
| |
| 13 | sneq 2421 |
. . . . . . . . 9
| |
| 14 | 13 | fveq2d 3734 |
. . . . . . . 8
|
| 15 | 14 | fveq2d 3734 |
. . . . . . 7
|
| 16 | 15 | eleq2d 1544 |
. . . . . 6
|
| 17 | opreq2 3975 |
. . . . . . . . 9
| |
| 18 | opreq1 3974 |
. . . . . . . . . 10
| |
| 19 | opreq2 3975 |
. . . . . . . . . 10
| |
| 20 | 18, 19 | eqtrd 1510 |
. . . . . . . . 9
|
| 21 | 17, 20 | opreq12d 3984 |
. . . . . . . 8
|
| 22 | id 59 |
. . . . . . . 8
| |
| 23 | 21, 22 | opreq12d 3984 |
. . . . . . 7
|
| 24 | 23 | eqeq2d 1489 |
. . . . . 6
|
| 25 | 16, 24 | bibi12d 631 |
. . . . 5
|
| 26 | 12, 25 | imbi12d 628 |
. . . 4
|
| 27 | ax-hv0cl 8868 |
. . . . . 6
| |
| 28 | 27 | elimel 2398 |
. . . . 5
|
| 29 | 27 | elimel 2398 |
. . . . 5
|
| 30 | 28, 29 | h1de2b 9472 |
. . . 4
|
| 31 | 11, 26, 30 | dedth2h 2391 |
. . 3
|
| 32 | 31 | 3impia 832 |
. 2
|
| 33 | 3, 32 | bitrd |