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| Description: Equality case of Bunjakovaskij-Cauchy-Schwarz inequality. Specifically, in the equality case the two vectors are collinear. Compare bcsHIL 8986. |
| Ref | Expression |
|---|---|
| normlem7t.1 |
|
| normlem7t.2 |
|
| Ref | Expression |
|---|---|
| bcseq |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | opreq1 3959 |
. . . . . . . . . 10
| |
| 2 | 1 | eqcomd 1477 |
. . . . . . . . 9
|
| 3 | normlem7t.2 |
. . . . . . . . . . . 12
| |
| 4 | 3, 3 | hicl 8887 |
. . . . . . . . . . 11
|
| 5 | normlem7t.1 |
. . . . . . . . . . . 12
| |
| 6 | 4, 5 | hvmulcl 8823 |
. . . . . . . . . . 11
|
| 7 | his5t 8892 |
. . . . . . . . . . 11
| |
| 8 | 4, 6, 5, 7 | mp3an 914 |
. . . . . . . . . 10
|
| 9 | hiidrclt 8900 |
. . . . . . . . . . . . 13
| |
| 10 | 3, 9 | ax-mp 7 |
. . . . . . . . . . . 12
|
| 11 | cjret 6753 |
. . . . . . . . . . . 12
| |
| 12 | 10, 11 | ax-mp 7 |
. . . . . . . . . . 11
|
| 13 | ax-his3 8890 |
. . . . . . . . . . . 12
| |
| 14 | 4, 5, 5, 13 | mp3an 914 |
. . . . . . . . . . 11
|
| 15 | 12, 14 | opreq12i 3964 |
. . . . . . . . . 10
|
| 16 | 5, 5 | hicl 8887 |
. . . . . . . . . . . . 13
|
| 17 | 4, 16 | mulcl 5301 |
. . . . . . . . . . . 12
|
| 18 | 4, 17 | mulcom 5303 |
. . . . . . . . . . 11
|
| 19 | 16, 4 | mulcom 5303 |
. . . . . . . . . . . 12
|
| 20 | 19 | opreq1i 3962 |
. . . . . . . . . . 11
|
| 21 | 18, 20 | eqtr4 1495 |
. . . . . . . . . 10
|
| 22 | 8, 15, 21 | 3eqtr 1496 |
. . . . . . . . 9
|
| 23 | 5, 3 | hicl 8887 |
. . . . . . . . . . 11
|
| 24 | his5t 8892 |
. . . . . . . . . . 11
| |
| 25 | 23, 6, 3, 24 | mp3an 914 |
. . . . . . . . . 10
|
| 26 | 3, 5 | his1 8905 |
. . . . . . . . . . . 12
|
| 27 | 26 | eqcomi 1476 |
. . . . . . . . . . 11
|
| 28 | ax-his3 8890 |
. . . . . . . . . . . 12
| |
| 29 | 4, 5, 3, 28 | mp3an 914 |
. . . . . . . . . . 11
|
| 30 | 27, 29 | opreq12i 3964 |
. . . . . . . . . 10
|
| 31 | 3, 5 | hicl 8887 |
. . . . . . . . . . . 12
|
| 32 | 4, 23 | mulcl 5301 |
. . . . . . . . . . . 12
|
| 33 | 31, 32 | mulcom 5303 |
. . . . . . . . . . 11
|
| 34 | 4, 23, 31 | mulass 5305 |
. . . . . . . . . . 11
|
| 35 | 23, 31 | mulcl 5301 |
. . . . . . . . . . . 12
|
| 36 | 4, 35 | mulcom 5303 |
. . . . . . . . . . 11
|
| 37 | 33, 34, 36 | 3eqtr 1496 |
. . . . . . . . . 10
|
| 38 | 25, 30, 37 | 3eqtr 1496 |
. . . . . . . . 9
|
| 39 | 2, 22, 38 | 3eqtr4g 1528 |
. . . . . . . 8
|
| 40 | ax-his3 8890 |
. . . . . . . . . . . 12
| |
| 41 | 23, 3, 5, 40 | mp3an 914 |
. . . . . . . . . . 11
|
| 42 | 12, 41 | opreq12i 3964 |
. . . . . . . . . 10
|
| 43 | 23, 3 | hvmulcl 8823 |
. . . . . . . . . . 11
|
| 44 | his5t 8892 |
. . . . . . . . . . 11
| |
| 45 | 4, 43, 5, 44 | mp3an 914 |
. . . . . . . . . 10
|
| 46 | his5t 8892 |
. . . . . . . . . . . 12
| |
| 47 | 23, 43, 3, 46 | mp3an 914 |
. . . . . . . . . . 11
|
| 48 | ax-his3 8890 |
. . . . . . . . . . . . 13
| |
| 49 | 23, 3, 3, 48 | mp3an 914 |
. . . . . . . . . . . 12
|
| 50 | 27, 49 | opreq12i 3964 |
. . . . . . . . . . 11
|
| 51 | 23, 4 | mulcl 5301 |
. . . . . . . . . . . . 13
|
| 52 | 31, 51 | mulcom 5303 |
. . . . . . . . . . . 12
|
| 53 | 23, 4, 31 | mul23 5404 |
. . . . . . . . . . . 12
|
| 54 | 35, 4 | mulcom 5303 |
. . . . . . . . . . . 12
|