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| Mirrors > Home > ILE Home > Th. List > suprleubex | Unicode version | ||
| Description: The supremum of a nonempty bounded set of reals is less than or equal to an upper bound. (Contributed by NM, 18-Mar-2005.) (Revised by Mario Carneiro, 6-Sep-2014.) |
| Ref | Expression |
|---|---|
| suprubex.ex |
|
| suprubex.ss |
|
| suprlubex.b |
|
| Ref | Expression |
|---|---|
| suprleubex |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lttri3 8398 |
. . . . . . . 8
| |
| 2 | 1 | adantl 277 |
. . . . . . 7
|
| 3 | suprubex.ex |
. . . . . . 7
| |
| 4 | 2, 3 | supclti 7331 |
. . . . . 6
|
| 5 | suprlubex.b |
. . . . . 6
| |
| 6 | 4, 5 | lenltd 8437 |
. . . . 5
|
| 7 | suprubex.ss |
. . . . . 6
| |
| 8 | 3, 7, 5 | suprnubex 9276 |
. . . . 5
|
| 9 | 6, 8 | bitrd 188 |
. . . 4
|
| 10 | breq2 4132 |
. . . . . 6
| |
| 11 | 10 | notbid 677 |
. . . . 5
|
| 12 | 11 | cbvralv 2786 |
. . . 4
|
| 13 | 9, 12 | bitr4di 198 |
. . 3
|
| 14 | 7 | sselda 3248 |
. . . . 5
|
| 15 | 5 | adantr 276 |
. . . . 5
|
| 16 | 14, 15 | lenltd 8437 |
. . . 4
|
| 17 | 16 | ralbidva 2546 |
. . 3
|
| 18 | 13, 17 | bitr4d 191 |
. 2
|
| 19 | breq1 4131 |
. . 3
| |
| 20 | 19 | cbvralv 2786 |
. 2
|
| 21 | 18, 20 | bitrdi 196 |
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 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4247 ax-pow 4309 ax-pr 4344 ax-un 4576 ax-setind 4682 ax-cnex 8263 ax-resscn 8264 ax-pre-ltirr 8284 ax-pre-ltwlin 8285 ax-pre-lttrn 8286 ax-pre-apti 8287 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-reu 2535 df-rmo 2536 df-rab 2537 df-v 2823 df-sbc 3052 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3714 df-pr 3715 df-op 3717 df-uni 3934 df-br 4129 df-opab 4191 df-po 4439 df-iso 4440 df-xp 4778 df-cnv 4780 df-iota 5335 df-riota 6031 df-sup 7317 df-pnf 8355 df-mnf 8356 df-xr 8357 df-ltxr 8358 df-le 8359 |
| This theorem is referenced by: suprzclex 9726 suplociccex 15652 |
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