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| Description: 'Less than' is a strict ordering on positive fractions. |
| Ref | Expression |
|---|---|
| ltsopq |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-nq 3832 |
. . 3
| |
| 2 | breq1 2065 |
. . . . 5
| |
| 3 | cleq1 1107 |
. . . . . . 7
| |
| 4 | breq2 2066 |
. . . . . . 7
| |
| 5 | 3, 4 | orbi12d 475 |
. . . . . 6
|
| 6 | 5 | negbid 463 |
. . . . 5
|
| 7 | 2, 6 | bibi12d 477 |
. . . 4
|
| 8 | 2 | anbi1d 469 |
. . . . 5
|
| 9 | breq1 2065 |
. . . . 5
| |
| 10 | 8, 9 | imbi12d 474 |
. . . 4
|
| 11 | 7, 10 | anbi12d 476 |
. . 3
|
| 12 | breq2 2066 |
. . . . 5
| |
| 13 | cleq2 1110 |
. . . . . . 7
| |
| 14 | breq1 2065 |
. . . . . . 7
| |
| 15 | 13, 14 | orbi12d 475 |
. . . . . 6
|
| 16 | 15 | negbid 463 |
. . . . 5
|
| 17 | 12, 16 | bibi12d 477 |
. . . 4
|
| 18 | breq1 2065 |
. . . . . 6
| |
| 19 | 12, 18 | anbi12d 476 |
. . . . 5
|
| 20 | 19 | imbi1d 465 |
. . . 4
|
| 21 | 17, 20 | anbi12d 476 |
. . 3
|
| 22 | breq2 2066 |
. . . . . 6
| |
| 23 | 22 | anbi2d 468 |
. . . . 5
|
| 24 | breq2 2066 |
. . . . 5
| |
| 25 | 23, 24 | imbi12d 474 |
. . . 4
|
| 26 | 25 | anbi2d 468 |
. . 3
|
| 27 | ltsopi 3810 |
. . . . . . . . . 10
| |
| 28 | sotric 2148 |
. . . . . . . . . 10
| |
| 29 | 27, 28 | mpan 518 |
. . . . . . . . 9
|
| 30 | mulclpi 3815 |
. . . . . . . . 9
| |
| 31 | mulclpi 3815 |
. . . . . . . . 9
| |
| 32 | 29, 30, 31 | syl2an 349 |
. . . . . . . 8
|
| 33 | 32 | an42s 391 |
. . . . . . 7
|
| 34 | enqeceq 3841 |
. . . . . . . . 9
| |
| 35 | visset 1350 |
. . . . . . . . . . . 12
| |
| 36 | visset 1350 |
. . . . . . . . . . . 12
|