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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 8067 |
. . . . . . . 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 7027 |
. . . . . 6
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5 | suprlubex.b |
. . . . . 6
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6 | 4, 5 | lenltd 8105 |
. . . . 5
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7 | suprubex.ss |
. . . . . 6
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8 | 3, 7, 5 | suprnubex 8940 |
. . . . 5
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9 | 6, 8 | bitrd 188 |
. . . 4
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10 | breq2 4022 |
. . . . . 6
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11 | 10 | notbid 668 |
. . . . 5
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12 | 11 | cbvralv 2718 |
. . . 4
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13 | 9, 12 | bitr4di 198 |
. . 3
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14 | 7 | sselda 3170 |
. . . . 5
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15 | 5 | adantr 276 |
. . . . 5
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16 | 14, 15 | lenltd 8105 |
. . . 4
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17 | 16 | ralbidva 2486 |
. . 3
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18 | 13, 17 | bitr4d 191 |
. 2
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19 | breq1 4021 |
. . 3
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20 | 19 | cbvralv 2718 |
. 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 2162 ax-14 2163 ax-ext 2171 ax-sep 4136 ax-pow 4192 ax-pr 4227 ax-un 4451 ax-setind 4554 ax-cnex 7932 ax-resscn 7933 ax-pre-ltirr 7953 ax-pre-ltwlin 7954 ax-pre-lttrn 7955 ax-pre-apti 7956 |
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 2041 df-mo 2042 df-clab 2176 df-cleq 2182 df-clel 2185 df-nfc 2321 df-ne 2361 df-nel 2456 df-ral 2473 df-rex 2474 df-reu 2475 df-rmo 2476 df-rab 2477 df-v 2754 df-sbc 2978 df-dif 3146 df-un 3148 df-in 3150 df-ss 3157 df-pw 3592 df-sn 3613 df-pr 3614 df-op 3616 df-uni 3825 df-br 4019 df-opab 4080 df-po 4314 df-iso 4315 df-xp 4650 df-cnv 4652 df-iota 5196 df-riota 5852 df-sup 7013 df-pnf 8024 df-mnf 8025 df-xr 8026 df-ltxr 8027 df-le 8028 |
This theorem is referenced by: suprzclex 9381 suplociccex 14563 |
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