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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 8150 |
. . 3
| |
| 2 | dfnn2 9144 |
. . . 4
| |
| 3 | 2 | rexeqi 2735 |
. . 3
|
| 4 | 1, 3 | sylibr 134 |
. 2
|
| 5 | nnre 9149 |
. . . 4
| |
| 6 | ltxrlt 8244 |
. . . 4
| |
| 7 | 5, 6 | sylan2 286 |
. . 3
|
| 8 | 7 | rexbidva 2529 |
. 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 619 ax-in2 620 ax-io 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2204 ax-14 2205 ax-ext 2213 ax-sep 4207 ax-pow 4264 ax-pr 4299 ax-un 4530 ax-setind 4635 ax-cnex 8122 ax-resscn 8123 ax-1re 8125 ax-addrcl 8128 ax-arch 8150 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ne 2403 df-nel 2498 df-ral 2515 df-rex 2516 df-rab 2519 df-v 2804 df-dif 3202 df-un 3204 df-in 3206 df-ss 3213 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-int 3929 df-br 4089 df-opab 4151 df-xp 4731 df-pnf 8215 df-mnf 8216 df-ltxr 8218 df-inn 9143 |
| This theorem is referenced by: nnrecl 9399 bndndx 9400 btwnz 9598 expnbnd 10924 cvg1nlemres 11545 cvg1n 11546 resqrexlemga 11583 fsum3cvg3 11956 divcnv 12057 efcllem 12219 alzdvds 12414 dvdsbnd 12526 |
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