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| Mirrors > Home > ILE Home > Th. List > supelti | Unicode version | ||
| Description: Supremum membership in a set. (Contributed by Jim Kingdon, 16-Jan-2022.) |
| Ref | Expression |
|---|---|
| supelti.ti |
|
| supelti.ex |
|
| supelti.ss |
|
| Ref | Expression |
|---|---|
| supelti |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | supelti.ti |
. . . . 5
| |
| 2 | supelti.ss |
. . . . . 6
| |
| 3 | supelti.ex |
. . . . . 6
| |
| 4 | ssrexv 3305 |
. . . . . 6
| |
| 5 | 2, 3, 4 | sylc 62 |
. . . . 5
|
| 6 | 1, 5 | supclti 7291 |
. . . 4
|
| 7 | elisset 2830 |
. . . 4
| |
| 8 | 6, 7 | syl 14 |
. . 3
|
| 9 | eqcom 2236 |
. . . 4
| |
| 10 | 9 | exbii 1654 |
. . 3
|
| 11 | 8, 10 | sylib 122 |
. 2
|
| 12 | simpr 110 |
. . 3
| |
| 13 | 1, 5 | supval2ti 7288 |
. . . . . . . 8
|
| 14 | 13 | eqeq1d 2243 |
. . . . . . 7
|
| 15 | 14 | biimpa 296 |
. . . . . 6
|
| 16 | 1, 5 | supeuti 7287 |
. . . . . . . 8
|
| 17 | riota1 6025 |
. . . . . . . 8
| |
| 18 | 16, 17 | syl 14 |
. . . . . . 7
|
| 19 | 18 | adantr 276 |
. . . . . 6
|
| 20 | 15, 19 | mpbird 167 |
. . . . 5
|
| 21 | 20 | simpld 112 |
. . . 4
|
| 22 | 2, 3, 16 | jca32 310 |
. . . . 5
|
| 23 | 20 | simprd 114 |
. . . . 5
|
| 24 | reupick 3507 |
. . . . 5
| |
| 25 | 22, 23, 24 | syl2an2r 599 |
. . . 4
|
| 26 | 21, 25 | mpbird 167 |
. . 3
|
| 27 | 12, 26 | eqeltrd 2311 |
. 2
|
| 28 | 11, 27 | exlimddv 1950 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2216 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ral 2527 df-rex 2528 df-reu 2529 df-rmo 2530 df-rab 2531 df-v 2817 df-sbc 3045 df-un 3217 df-in 3219 df-ss 3226 df-sn 3697 df-pr 3698 df-op 3700 df-uni 3917 df-br 4112 df-iota 5314 df-riota 6005 df-sup 7277 |
| This theorem is referenced by: zsupcl 10595 |
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