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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 8039 |
. . . . . . . 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 6999 |
. . . . . 6
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5 | suprlubex.b |
. . . . . 6
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6 | 4, 5 | lenltd 8077 |
. . . . 5
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7 | suprubex.ss |
. . . . . 6
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8 | 3, 7, 5 | suprnubex 8912 |
. . . . 5
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9 | 6, 8 | bitrd 188 |
. . . 4
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10 | breq2 4009 |
. . . . . 6
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11 | 10 | notbid 667 |
. . . . 5
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12 | 11 | cbvralv 2705 |
. . . 4
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13 | 9, 12 | bitr4di 198 |
. . 3
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14 | 7 | sselda 3157 |
. . . . 5
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15 | 5 | adantr 276 |
. . . . 5
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16 | 14, 15 | lenltd 8077 |
. . . 4
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17 | 16 | ralbidva 2473 |
. . 3
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18 | 13, 17 | bitr4d 191 |
. 2
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19 | breq1 4008 |
. . 3
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20 | 19 | cbvralv 2705 |
. 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 614 ax-in2 615 ax-io 709 ax-5 1447 ax-7 1448 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-8 1504 ax-10 1505 ax-11 1506 ax-i12 1507 ax-bndl 1509 ax-4 1510 ax-17 1526 ax-i9 1530 ax-ial 1534 ax-i5r 1535 ax-13 2150 ax-14 2151 ax-ext 2159 ax-sep 4123 ax-pow 4176 ax-pr 4211 ax-un 4435 ax-setind 4538 ax-cnex 7904 ax-resscn 7905 ax-pre-ltirr 7925 ax-pre-ltwlin 7926 ax-pre-lttrn 7927 ax-pre-apti 7928 |
This theorem depends on definitions: df-bi 117 df-3an 980 df-tru 1356 df-fal 1359 df-nf 1461 df-sb 1763 df-eu 2029 df-mo 2030 df-clab 2164 df-cleq 2170 df-clel 2173 df-nfc 2308 df-ne 2348 df-nel 2443 df-ral 2460 df-rex 2461 df-reu 2462 df-rmo 2463 df-rab 2464 df-v 2741 df-sbc 2965 df-dif 3133 df-un 3135 df-in 3137 df-ss 3144 df-pw 3579 df-sn 3600 df-pr 3601 df-op 3603 df-uni 3812 df-br 4006 df-opab 4067 df-po 4298 df-iso 4299 df-xp 4634 df-cnv 4636 df-iota 5180 df-riota 5833 df-sup 6985 df-pnf 7996 df-mnf 7997 df-xr 7998 df-ltxr 7999 df-le 8000 |
This theorem is referenced by: suprzclex 9353 suplociccex 14188 |
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