| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > posng | Unicode version | ||
| Description: Partial ordering of a singleton. (Contributed by Jim Kingdon, 5-Dec-2018.) |
| Ref | Expression |
|---|---|
| posng |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-po 4033 |
. 2
| |
| 2 | breq2 3768 |
. . . . . . . . . . 11
| |
| 3 | 2 | anbi2d 437 |
. . . . . . . . . 10
|
| 4 | breq2 3768 |
. . . . . . . . . 10
| |
| 5 | 3, 4 | imbi12d 223 |
. . . . . . . . 9
|
| 6 | 5 | anbi2d 437 |
. . . . . . . 8
|
| 7 | 6 | ralsng 3411 |
. . . . . . 7
|
| 8 | 7 | ralbidv 2326 |
. . . . . 6
|
| 9 | simpl 102 |
. . . . . . . . . 10
| |
| 10 | breq2 3768 |
. . . . . . . . . 10
| |
| 11 | 9, 10 | syl5ib 143 |
. . . . . . . . 9
|
| 12 | 11 | biantrud 288 |
. . . . . . . 8
|
| 13 | 12 | bicomd 129 |
. . . . . . 7
|
| 14 | 13 | ralsng 3411 |
. . . . . 6
|
| 15 | 8, 14 | bitrd 177 |
. . . . 5
|
| 16 | 15 | ralbidv 2326 |
. . . 4
|
| 17 | breq12 3769 |
. . . . . . 7
| |
| 18 | 17 | anidms 377 |
. . . . . 6
|
| 19 | 18 | notbid 592 |
. . . . 5
|
| 20 | 19 | ralsng 3411 |
. . . 4
|
| 21 | 16, 20 | bitrd 177 |
. . 3
|
| 22 | 21 | adantl 262 |
. 2
|
| 23 | 1, 22 | syl5bb 181 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 99 ax-ia2 100 ax-ia3 101 ax-in1 544 ax-in2 545 ax-io 630 ax-5 1336 ax-7 1337 ax-gen 1338 ax-ie1 1382 ax-ie2 1383 ax-8 1395 ax-10 1396 ax-11 1397 ax-i12 1398 ax-bndl 1399 ax-4 1400 ax-17 1419 ax-i9 1423 ax-ial 1427 ax-i5r 1428 ax-ext 2022 |
| This theorem depends on definitions: df-bi 110 df-3an 887 df-tru 1246 df-nf 1350 df-sb 1646 df-clab 2027 df-cleq 2033 df-clel 2036 df-nfc 2167 df-ral 2311 df-v 2559 df-sbc 2765 df-un 2922 df-sn 3381 df-pr 3382 df-op 3384 df-br 3765 df-po 4033 |
| This theorem is referenced by: sosng 4413 |
| Copyright terms: Public domain | W3C validator |