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| 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 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ax-arch 8288 |
. . 3
| |
| 2 | dfnn2 9285 |
. . . 4
| |
| 3 | 2 | rexeqi 2754 |
. . 3
|
| 4 | 1, 3 | sylibr 134 |
. 2
|
| 5 | nnre 9290 |
. . . 4
| |
| 6 | ltxrlt 8381 |
. . . 4
| |
| 7 | 5, 6 | sylan2 286 |
. . 3
|
| 8 | 7 | rexbidva 2547 |
. 2
|
| 9 | 4, 8 | mpbird 167 |
1
|
| 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 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4244 ax-pow 4306 ax-pr 4341 ax-un 4573 ax-setind 4679 ax-cnex 8260 ax-resscn 8261 ax-1re 8263 ax-addrcl 8266 ax-arch 8288 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-rab 2537 df-v 2823 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3687 df-sn 3711 df-pr 3712 df-op 3714 df-uni 3931 df-int 3966 df-br 4126 df-opab 4188 df-xp 4775 df-pnf 8352 df-mnf 8353 df-ltxr 8355 df-inn 9284 |
| This theorem is referenced by: nnrecl 9540 bndndx 9541 btwnz 9744 expnbnd 11079 cvg1nlemres 11729 cvg1n 11730 resqrexlemga 11767 fsum3cvg3 12141 divcnv 12242 efcllem 12404 alzdvds 12599 dvdsbnd 12711 |
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