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Mirrors > Home > ILE Home > Th. List > dedekindeulemlub | Unicode version |
Description: Lemma for dedekindeu 13241. The set L has a least upper bound. (Contributed by Jim Kingdon, 31-Jan-2024.) |
Ref | Expression |
---|---|
dedekindeu.lss | |
dedekindeu.uss | |
dedekindeu.lm | |
dedekindeu.um | |
dedekindeu.lr | |
dedekindeu.ur | |
dedekindeu.disj | |
dedekindeu.loc |
Ref | Expression |
---|---|
dedekindeulemlub |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dedekindeu.lss | . 2 | |
2 | dedekindeu.lm | . . 3 | |
3 | eleq1w 2227 | . . . . 5 | |
4 | 3 | cbvrexv 2693 | . . . 4 |
5 | rexex 2512 | . . . 4 | |
6 | 4, 5 | sylbi 120 | . . 3 |
7 | 2, 6 | syl 14 | . 2 |
8 | dedekindeu.uss | . . 3 | |
9 | dedekindeu.um | . . 3 | |
10 | dedekindeu.lr | . . 3 | |
11 | dedekindeu.ur | . . 3 | |
12 | dedekindeu.disj | . . 3 | |
13 | dedekindeu.loc | . . 3 | |
14 | 1, 8, 2, 9, 10, 11, 12, 13 | dedekindeulemub 13236 | . 2 |
15 | 1, 8, 2, 9, 10, 11, 12, 13 | dedekindeulemloc 13237 | . 2 |
16 | axsuploc 7971 | . 2 | |
17 | 1, 7, 14, 15, 16 | syl22anc 1229 | 1 |
Colors of variables: wff set class |
Syntax hints: wn 3 wi 4 wa 103 wb 104 wo 698 wceq 1343 wex 1480 wcel 2136 wral 2444 wrex 2445 cin 3115 wss 3116 c0 3409 class class class wbr 3982 cr 7752 clt 7933 |
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 604 ax-in2 605 ax-io 699 ax-5 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-13 2138 ax-14 2139 ax-ext 2147 ax-sep 4100 ax-pow 4153 ax-pr 4187 ax-un 4411 ax-setind 4514 ax-cnex 7844 ax-resscn 7845 ax-pre-ltwlin 7866 ax-pre-suploc 7874 |
This theorem depends on definitions: df-bi 116 df-3an 970 df-tru 1346 df-fal 1349 df-nf 1449 df-sb 1751 df-eu 2017 df-mo 2018 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2297 df-ne 2337 df-nel 2432 df-ral 2449 df-rex 2450 df-rab 2453 df-v 2728 df-dif 3118 df-un 3120 df-in 3122 df-ss 3129 df-nul 3410 df-pw 3561 df-sn 3582 df-pr 3583 df-op 3585 df-uni 3790 df-br 3983 df-opab 4044 df-xp 4610 df-cnv 4612 df-pnf 7935 df-mnf 7936 df-xr 7937 df-ltxr 7938 df-le 7939 |
This theorem is referenced by: dedekindeulemlu 13239 |
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