| Metamath Proof Explorer |
< Previous
Next >
Related theorems Unicode version |
| Description: Value of the arbitrary-based recursive sequence builder operation. |
| Ref | Expression |
|---|---|
| seq0val.1 |
|
| seq0val.2 |
|
| Ref | Expression |
|---|---|
| seqzval2t |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | zcnt 6140 |
. . . . 5
| |
| 2 | oprex 3983 |
. . . . . 6
| |
| 3 | oprex 3983 |
. . . . . . 7
| |
| 4 | 3 | shftvalt 6346 |
. . . . . 6
|
| 5 | 2, 4 | mpan 695 |
. . . . 5
|
| 6 | 1, 5 | syl 10 |
. . . 4
|
| 7 | 6 | 3ad2ant2 801 |
. . 3
|
| 8 | zcnt 6140 |
. . . . . . . 8
| |
| 9 | negclt 5368 |
. . . . . . . . . 10
| |
| 10 | ax1cn 5269 |
. . . . . . . . . . 11
| |
| 11 | seq0val.2 |
. . . . . . . . . . . 12
| |
| 12 | 11 | 2shft 6352 |
. . . . . . . . . . 11
|
| 13 | 10, 12 | mpan2 696 |
. . . . . . . . . 10
|
| 14 | 9, 13 | syl 10 |
. . . . . . . . 9
|
| 15 | axaddcom 5275 |
. . . . . . . . . . . . 13
| |
| 16 | 10, 15 | mpan2 696 |
. . . . . . . . . . . 12
|
| 17 | 9, 16 | syl 10 |
. . . . . . . . . . 11
|
| 18 | negsubt 5382 |
. . . . . . . . . . . 12
| |
| 19 | 10, 18 | mpan 695 |
. . . . . . . . . . 11
|
| 20 | 17, 19 | eqtrd 1507 |
. . . . . . . . . 10
|
| 21 | 20 | opreq2d 3976 |
. . . . . . . . 9
|
| 22 | 14, 21 | eqtrd 1507 |
. . . . . . . 8
|
| 23 | 8, 22 | syl 10 |
. . . . . . 7
|
| 24 | 23 | opreq2d 3976 |
. . . . . 6
|
| 25 | 24 | fveq1d 3726 |
. . . . 5
|
| 26 | 25 | 3ad2ant1 800 |
. . . 4
|
| 27 | subsubt 5462 |
. . . . . . . . . 10
| |
| 28 | 10, 27 | mp3an3 905 |
. . . . . . . . 9
|
| 29 | 28, 1, 8 | syl2an 454 |
. . . . . . . 8
|
| 30 | 29 | ancoms 436 |
. . . . . . 7
|
| 31 | 30 | 3adant3 799 |
. . . . . 6
|
| 32 | znn0sub2t 6179 |
. . . . . . 7
| |
| 33 | nn0p1nnt 6175 |
. . . . . . 7
| |
| 34 | 32, 33 | syl 10 |
. . . . . 6
|
| 35 | 31, 34 | eqeltrd 1548 |
. . . . 5
|
| 36 | seq0val.1 |
. . . . . 6
| |
| 37 | oprex 3983 |
. . . . . 6
| |
| 38 | 36, 37 | seq1seq02t 6543 |
. . . . 5
|
| 39 | 35, 38 | syl 10 |
. . . 4
|
| 40 | 26, 39 | eqtr3d 1509 |
. . 3
|
| 41 | subclt 5367 |
. . . . . . . . 9
| |
| 42 | subclt 5367 |
. . . . . . . . . 10
| |
| 43 | 10, 42 | mpan2 696 |
. . . . . . . . 9
|
| 44 | 41, 43 | sylan2 451 |
. . . . . . . 8
|
| 45 | oprex 3983 |
. . . . . . . . . 10
| |
| 46 | 45 | shftvalt 6346 |
. . . . . . . . 9
|
| 47 | 10, 46 | mpan 695 |
. . . . . . . 8
|
| 48 | 44, 47 | syl 10 |
. . . . . . 7
|
| 49 | nnncant 5466 |
. . . . . . . . 9
| |
| 50 | 10, 49 | mp3an3 905 |
. . . . . . . 8
|
| 51 | 50 | fveq2d 3728 |
. . . . . . 7
|
| 52 | 48, 51 | eqtrd 1507 |
. . . . . 6
|
| 53 | 52 | ancoms 436 |
. . . . 5
|
| 54 | 53, 8, 1 | syl2an 454 |
. . . 4
|
| 55 | 54 | 3adant3 799 |
. . 3
|
| 56 | 7, 40, 55 | 3eqtrd 1511 |
. 2
![]() |