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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 |
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suprubex.ss |
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suprlubex.b |
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Ref | Expression |
---|---|
suprleubex |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | lttri3 8101 |
. . . . . . . 8
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2 | 1 | adantl 277 |
. . . . . . 7
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3 | suprubex.ex |
. . . . . . 7
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4 | 2, 3 | supclti 7059 |
. . . . . 6
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5 | suprlubex.b |
. . . . . 6
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6 | 4, 5 | lenltd 8139 |
. . . . 5
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7 | suprubex.ss |
. . . . . 6
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8 | 3, 7, 5 | suprnubex 8974 |
. . . . 5
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9 | 6, 8 | bitrd 188 |
. . . 4
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10 | breq2 4034 |
. . . . . 6
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11 | 10 | notbid 668 |
. . . . 5
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12 | 11 | cbvralv 2726 |
. . . 4
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13 | 9, 12 | bitr4di 198 |
. . 3
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14 | 7 | sselda 3180 |
. . . . 5
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15 | 5 | adantr 276 |
. . . . 5
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16 | 14, 15 | lenltd 8139 |
. . . 4
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17 | 16 | ralbidva 2490 |
. . 3
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18 | 13, 17 | bitr4d 191 |
. 2
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19 | breq1 4033 |
. . 3
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20 | 19 | cbvralv 2726 |
. 2
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21 | 18, 20 | bitrdi 196 |
1
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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 615 ax-in2 616 ax-io 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-13 2166 ax-14 2167 ax-ext 2175 ax-sep 4148 ax-pow 4204 ax-pr 4239 ax-un 4465 ax-setind 4570 ax-cnex 7965 ax-resscn 7966 ax-pre-ltirr 7986 ax-pre-ltwlin 7987 ax-pre-lttrn 7988 ax-pre-apti 7989 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-fal 1370 df-nf 1472 df-sb 1774 df-eu 2045 df-mo 2046 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-ne 2365 df-nel 2460 df-ral 2477 df-rex 2478 df-reu 2479 df-rmo 2480 df-rab 2481 df-v 2762 df-sbc 2987 df-dif 3156 df-un 3158 df-in 3160 df-ss 3167 df-pw 3604 df-sn 3625 df-pr 3626 df-op 3628 df-uni 3837 df-br 4031 df-opab 4092 df-po 4328 df-iso 4329 df-xp 4666 df-cnv 4668 df-iota 5216 df-riota 5874 df-sup 7045 df-pnf 8058 df-mnf 8059 df-xr 8060 df-ltxr 8061 df-le 8062 |
This theorem is referenced by: suprzclex 9418 suplociccex 14804 |
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