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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 3162 | . . . . . 6 | |
5 | 2, 3, 4 | sylc 62 | . . . . 5 |
6 | 1, 5 | supclti 6885 | . . . 4 |
7 | elisset 2700 | . . . 4 | |
8 | 6, 7 | syl 14 | . . 3 |
9 | eqcom 2141 | . . . 4 | |
10 | 9 | exbii 1584 | . . 3 |
11 | 8, 10 | sylib 121 | . 2 |
12 | simpr 109 | . . 3 | |
13 | 1, 5 | supval2ti 6882 | . . . . . . . 8 |
14 | 13 | eqeq1d 2148 | . . . . . . 7 |
15 | 14 | biimpa 294 | . . . . . 6 |
16 | 1, 5 | supeuti 6881 | . . . . . . . 8 |
17 | riota1 5748 | . . . . . . . 8 | |
18 | 16, 17 | syl 14 | . . . . . . 7 |
19 | 18 | adantr 274 | . . . . . 6 |
20 | 15, 19 | mpbird 166 | . . . . 5 |
21 | 20 | simpld 111 | . . . 4 |
22 | 2, 3, 16 | jca32 308 | . . . . 5 |
23 | 20 | simprd 113 | . . . . 5 |
24 | reupick 3360 | . . . . 5 | |
25 | 22, 23, 24 | syl2an2r 584 | . . . 4 |
26 | 21, 25 | mpbird 166 | . . 3 |
27 | 12, 26 | eqeltrd 2216 | . 2 |
28 | 11, 27 | exlimddv 1870 | 1 |
Colors of variables: wff set class |
Syntax hints: wn 3 wi 4 wa 103 wb 104 wceq 1331 wex 1468 wcel 1480 wral 2416 wrex 2417 wreu 2418 wss 3071 class class class wbr 3929 crio 5729 csup 6869 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 603 ax-in2 604 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2121 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-fal 1337 df-nf 1437 df-sb 1736 df-eu 2002 df-mo 2003 df-clab 2126 df-cleq 2132 df-clel 2135 df-nfc 2270 df-ral 2421 df-rex 2422 df-reu 2423 df-rmo 2424 df-rab 2425 df-v 2688 df-sbc 2910 df-un 3075 df-in 3077 df-ss 3084 df-sn 3533 df-pr 3534 df-op 3536 df-uni 3737 df-br 3930 df-iota 5088 df-riota 5730 df-sup 6871 |
This theorem is referenced by: zsupcl 11640 |
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