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Mirrors > Home > ILE Home > Th. List > suprnubex | Unicode version |
Description: An upper bound is not less than the supremum of a nonempty bounded set of reals. (Contributed by Jim Kingdon, 19-Jan-2022.) |
Ref | Expression |
---|---|
suprubex.ex | |
suprubex.ss | |
suprlubex.b |
Ref | Expression |
---|---|
suprnubex |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | suprubex.ex | . . . 4 | |
2 | suprubex.ss | . . . 4 | |
3 | suprlubex.b | . . . 4 | |
4 | 1, 2, 3 | suprlubex 8868 | . . 3 |
5 | 4 | notbid 662 | . 2 |
6 | ralnex 2458 | . 2 | |
7 | 5, 6 | bitr4di 197 | 1 |
Colors of variables: wff set class |
Syntax hints: wn 3 wi 4 wa 103 wb 104 wcel 2141 wral 2448 wrex 2449 wss 3121 class class class wbr 3989 csup 6959 cr 7773 clt 7954 |
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 609 ax-in2 610 ax-io 704 ax-5 1440 ax-7 1441 ax-gen 1442 ax-ie1 1486 ax-ie2 1487 ax-8 1497 ax-10 1498 ax-11 1499 ax-i12 1500 ax-bndl 1502 ax-4 1503 ax-17 1519 ax-i9 1523 ax-ial 1527 ax-i5r 1528 ax-13 2143 ax-14 2144 ax-ext 2152 ax-sep 4107 ax-pow 4160 ax-pr 4194 ax-un 4418 ax-setind 4521 ax-cnex 7865 ax-resscn 7866 ax-pre-ltirr 7886 ax-pre-ltwlin 7887 ax-pre-lttrn 7888 ax-pre-apti 7889 |
This theorem depends on definitions: df-bi 116 df-3an 975 df-tru 1351 df-fal 1354 df-nf 1454 df-sb 1756 df-eu 2022 df-mo 2023 df-clab 2157 df-cleq 2163 df-clel 2166 df-nfc 2301 df-ne 2341 df-nel 2436 df-ral 2453 df-rex 2454 df-reu 2455 df-rmo 2456 df-rab 2457 df-v 2732 df-sbc 2956 df-dif 3123 df-un 3125 df-in 3127 df-ss 3134 df-pw 3568 df-sn 3589 df-pr 3590 df-op 3592 df-uni 3797 df-br 3990 df-opab 4051 df-po 4281 df-iso 4282 df-xp 4617 df-iota 5160 df-riota 5809 df-sup 6961 df-pnf 7956 df-mnf 7957 df-ltxr 7959 |
This theorem is referenced by: suprleubex 8870 |
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