| Metamath Proof Explorer |
< Previous
Next >
Related theorems Unicode version |
| Description: 'Less than' is a strict ordering on positive fractions. |
| Ref | Expression |
|---|---|
| ltsopq |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-nq 5018 |
. . 3
| |
| 2 | breq1 2617 |
. . . . 5
| |
| 3 | eqeq1 1478 |
. . . . . . 7
| |
| 4 | breq2 2618 |
. . . . . . 7
| |
| 5 | 3, 4 | orbi12d 626 |
. . . . . 6
|
| 6 | 5 | negbid 610 |
. . . . 5
|
| 7 | 2, 6 | bibi12d 628 |
. . . 4
|
| 8 | 2 | anbi1d 616 |
. . . . 5
|
| 9 | breq1 2617 |
. . . . 5
| |
| 10 | 8, 9 | imbi12d 625 |
. . . 4
|
| 11 | 7, 10 | anbi12d 627 |
. . 3
|
| 12 | breq2 2618 |
. . . . 5
| |
| 13 | eqeq2 1481 |
. . . . . . 7
| |
| 14 | breq1 2617 |
. . . . . . 7
| |
| 15 | 13, 14 | orbi12d 626 |
. . . . . 6
|
| 16 | 15 | negbid 610 |
. . . . 5
|
| 17 | 12, 16 | bibi12d 628 |
. . . 4
|
| 18 | breq1 2617 |
. . . . . 6
| |
| 19 | 12, 18 | anbi12d 627 |
. . . . 5
|
| 20 | 19 | imbi1d 612 |
. . . 4
|
| 21 | 17, 20 | anbi12d 627 |
. . 3
|
| 22 | breq2 2618 |
. . . . . 6
| |
| 23 | 22 | anbi2d 615 |
. . . . 5
|
| 24 | breq2 2618 |
. . . . 5
| |
| 25 | 23, 24 | imbi12d 625 |
. . . 4
|
| 26 | 25 | anbi2d 615 |
. . 3
|
| 27 | ltsopi 4996 |
. . . . . . . . . 10
| |
| 28 | sotric 2855 |
. . . . . . . . . 10
| |
| 29 | 27, 28 | mpan 694 |
. . . . . . . . 9
|
| 30 | mulclpi 5001 |
. . . . . . . . 9
| |
| 31 | mulclpi 5001 |
. . . . . . . . 9
| |
| 32 | 29, 30, 31 | syl2an 454 |
. . . . . . . 8
|
| 33 | 32 | an42s 509 |
. . . . . . 7
|
| 34 | enqeceq 5027 |
. . . . . . . . 9
|