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Mirrors > Home > MPE Home > Th. List > suplub | Structured version Visualization version Unicode version |
Description: A supremum is the least upper bound. See also supcl 8364 and supub 8365. (Contributed by NM, 13-Oct-2004.) (Revised by Mario Carneiro, 24-Dec-2016.) |
Ref | Expression |
---|---|
supmo.1 | |
supcl.2 |
Ref | Expression |
---|---|
suplub |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpr 477 | . . . . . . 7 | |
2 | breq1 4656 | . . . . . . . . 9 | |
3 | breq1 4656 | . . . . . . . . . 10 | |
4 | 3 | rexbidv 3052 | . . . . . . . . 9 |
5 | 2, 4 | imbi12d 334 | . . . . . . . 8 |
6 | 5 | cbvralv 3171 | . . . . . . 7 |
7 | 1, 6 | sylib 208 | . . . . . 6 |
8 | 7 | a1i 11 | . . . . 5 |
9 | 8 | ss2rabi 3684 | . . . 4 |
10 | supmo.1 | . . . . . 6 | |
11 | 10 | supval2 8361 | . . . . 5 |
12 | supcl.2 | . . . . . . 7 | |
13 | 10, 12 | supeu 8360 | . . . . . 6 |
14 | riotacl2 6624 | . . . . . 6 | |
15 | 13, 14 | syl 17 | . . . . 5 |
16 | 11, 15 | eqeltrd 2701 | . . . 4 |
17 | 9, 16 | sseldi 3601 | . . 3 |
18 | breq2 4657 | . . . . . . 7 | |
19 | 18 | imbi1d 331 | . . . . . 6 |
20 | 19 | ralbidv 2986 | . . . . 5 |
21 | 20 | elrab 3363 | . . . 4 |
22 | 21 | simprbi 480 | . . 3 |
23 | 17, 22 | syl 17 | . 2 |
24 | breq1 4656 | . . . . 5 | |
25 | breq1 4656 | . . . . . 6 | |
26 | 25 | rexbidv 3052 | . . . . 5 |
27 | 24, 26 | imbi12d 334 | . . . 4 |
28 | 27 | rspccv 3306 | . . 3 |
29 | 28 | impd 447 | . 2 |
30 | 23, 29 | syl 17 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wn 3 wi 4 wa 384 wceq 1483 wcel 1990 wral 2912 wrex 2913 wreu 2914 crab 2916 class class class wbr 4653 wor 5034 crio 6610 csup 8346 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3or 1038 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-ral 2917 df-rex 2918 df-reu 2919 df-rmo 2920 df-rab 2921 df-v 3202 df-sbc 3436 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-br 4654 df-po 5035 df-so 5036 df-iota 5851 df-riota 6611 df-sup 8348 |
This theorem is referenced by: suplub2 8367 supnub 8368 supiso 8381 infglb 8396 supxrun 12146 supxrunb1 12149 supxrunb2 12150 esum2d 30155 gtinfOLD 32314 |
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