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Related theorems Unicode version |
| Description: 'Less than' is a strict ordering on real subset of complex numbers. Note: use ltso 4279 and not this one after the complex number postulates are derived, in order to maintain a "clean" derivation of complex number theorems directly from postulates. |
| Ref | Expression |
|---|---|
| ltsor |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elreal 4044 |
. . 3
| |
| 2 | elreal 4044 |
. . 3
| |
| 3 | elreal 4044 |
. . 3
| |
| 4 | breq1 2065 |
. . . . 5
| |
| 5 | cleq1 1107 |
. . . . . . 7
| |
| 6 | breq2 2066 |
. . . . . . 7
| |
| 7 | 5, 6 | orbi12d 475 |
. . . . . 6
|
| 8 | 7 | negbid 463 |
. . . . 5
|
| 9 | 4, 8 | bibi12d 477 |
. . . 4
|
| 10 | 4 | anbi1d 469 |
. . . . 5
|
| 11 | breq1 2065 |
. . . . 5
| |
| 12 | 10, 11 | imbi12d 474 |
. . . 4
|
| 13 | 9, 12 | anbi12d 476 |
. . 3
|
| 14 | breq2 2066 |
. . . . 5
| |
| 15 | cleq2 1110 |
. . . . . . 7
| |
| 16 | breq1 2065 |
. . . . . . 7
| |
| 17 | 15, 16 | orbi12d 475 |
. . . . . 6
|
| 18 | 17 | negbid 463 |
. . . . 5
|
| 19 | 14, 18 | bibi12d 477 |
. . . 4
|
| 20 | breq1 2065 |
. . . . . 6
| |
| 21 | 14, 20 | anbi12d 476 |
. . . . 5
|
| 22 | 21 | imbi1d 465 |
. . . 4
|
| 23 | 19, 22 | anbi12d 476 |
. . 3
|
| 24 | breq2 2066 |
. . . . . 6
| |
| 25 | 24 | anbi2d 468 |
. . . . 5
|
| 26 | breq2 2066 |
. . . . 5
| |
| 27 | 25, 26 | imbi12d 474 |
. . . 4
|
| 28 | 27 | anbi2d 468 |
. . 3
|
| 29 | ltsosr 3997 |
. . . . . . 7
| |
| 30 | sotric 2148 |
. . . . . . 7
| |
| 31 | 29, 30 | mpan 518 |
. . . . . 6
|
| 32 | visset 1350 |
. . . . . . 7
| |
| 33 | visset 1350 |
. . . . . . 7
| |
| 34 | 32, 33 | ltresr 4052 |
. . . . . 6
|
| 35 | 32 | eqresr 4049 |
. . . . . . . 8
|
| 36 | 33, 32 | ltresr 4052 |
. . . . . . . 8
|
| 37 | 35, 36 | orbi12i 216 |
. . . . . . 7
|
| 38 | 37 | negbii 162 |
. . . . . 6
|
| 39 | 31, 34, 38 | 3bitr4g 428 |
. . . . 5
|
| 40 | 39 | 3adant3 599 |
. . . 4
|
| 41 | ltrelsr 3974 |
. . . . . 6
| |
| 42 | visset 1350 |
. . . . . 6
| |
| 43 | 32, 29, 41, 33, 42 | sotri 2630 |
. . . . 5
|
| 44 | 33, 42 | ltresr 4052 |
. . . . . 6
|
| 45 | 34, 44 | anbi12i 369 |
. . . . 5
|
| 46 | 32, 42 | ltresr 4052 |
. . . . 5
|
| 47 | 43, 45, 46 | 3imtr4 192 |
. . . 4
|
| 48 | 40, 47 | jctir 241 |
. . 3
|
| 49 | 1, 2, 3, 13, 23, 28, 48 | 3gencl 1367 |
. 2
|
| 50 | 49 | so 2152 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |