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Mirrors > Home > ILE Home > Th. List > arch | Unicode version |
Description: Archimedean property of real numbers. For any real number, there is an integer greater than it. Theorem I.29 of [Apostol] p. 26. (Contributed by NM, 21-Jan-1997.) |
Ref | Expression |
---|---|
arch |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ax-arch 7462 |
. . 3
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2 | dfnn2 8422 |
. . . 4
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3 | 2 | rexeqi 2567 |
. . 3
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4 | 1, 3 | sylibr 132 |
. 2
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5 | nnre 8427 |
. . . 4
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6 | ltxrlt 7550 |
. . . 4
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7 | 5, 6 | sylan2 280 |
. . 3
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8 | 7 | rexbidva 2377 |
. 2
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9 | 4, 8 | mpbird 165 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-in1 579 ax-in2 580 ax-io 665 ax-5 1381 ax-7 1382 ax-gen 1383 ax-ie1 1427 ax-ie2 1428 ax-8 1440 ax-10 1441 ax-11 1442 ax-i12 1443 ax-bndl 1444 ax-4 1445 ax-13 1449 ax-14 1450 ax-17 1464 ax-i9 1468 ax-ial 1472 ax-i5r 1473 ax-ext 2070 ax-sep 3957 ax-pow 4009 ax-pr 4036 ax-un 4260 ax-setind 4353 ax-cnex 7434 ax-resscn 7435 ax-1re 7437 ax-addrcl 7440 ax-arch 7462 |
This theorem depends on definitions: df-bi 115 df-3an 926 df-tru 1292 df-fal 1295 df-nf 1395 df-sb 1693 df-eu 1951 df-mo 1952 df-clab 2075 df-cleq 2081 df-clel 2084 df-nfc 2217 df-ne 2256 df-nel 2351 df-ral 2364 df-rex 2365 df-rab 2368 df-v 2621 df-dif 3001 df-un 3003 df-in 3005 df-ss 3012 df-pw 3431 df-sn 3452 df-pr 3453 df-op 3455 df-uni 3654 df-int 3689 df-br 3846 df-opab 3900 df-xp 4444 df-pnf 7522 df-mnf 7523 df-ltxr 7525 df-inn 8421 |
This theorem is referenced by: nnrecl 8669 bndndx 8670 btwnz 8863 expnbnd 10073 cvg1nlemres 10414 cvg1n 10415 resqrexlemga 10452 fsum3cvg3 10785 divcnv 10887 efcllem 10945 alzdvds 11129 dvdsbnd 11222 |
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