| Mathbox for Jeff Madsen |
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Related theorems Unicode version |
| Description: The difference between a real number and its nearest integer is less than or equal to one half. |
| Ref | Expression |
|---|---|
| rddif |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 2re 7163 |
. . . . . . . . . . 11
| |
| 2 | 2ne0 7174 |
. . . . . . . . . . 11
| |
| 3 | 1, 2 | rereccli 6979 |
. . . . . . . . . 10
|
| 4 | readdcl 6455 |
. . . . . . . . . 10
| |
| 5 | 3, 4 | mpan2 760 |
. . . . . . . . 9
|
| 6 | flcl 7465 |
. . . . . . . . 9
| |
| 7 | flbi 7480 |
. . . . . . . . 9
| |
| 8 | 5, 6, 7 | syl11anc 524 |
. . . . . . . 8
|
| 9 | 8 | adantr 425 |
. . . . . . 7
|
| 10 | reflcl 7466 |
. . . . . . . . 9
| |
| 11 | id 73 |
. . . . . . . . 9
| |
| 12 | flle 7468 |
. . . . . . . . 9
| |
| 13 | recn 6466 |
. . . . . . . . . . 11
| |
| 14 | ax0id 6434 |
. . . . . . . . . . 11
| |
| 15 | 13, 14 | syl 12 |
. . . . . . . . . 10
|
| 16 | 0re 6603 |
. . . . . . . . . . . 12
| |
| 17 | halfgt0 7215 |
. . . . . . . . . . . 12
| |
| 18 | 16, 3, 17 | ltleii 6756 |
. . . . . . . . . . 11
|
| 19 | leadd2 6809 |
. . . . . . . . . . . 12
| |
| 20 | 16, 3, 19 | mp3an12 1181 |
. . . . . . . . . . 11
|
| 21 | 18, 20 | mpbii 210 |
. . . . . . . . . 10
|
| 22 | 15, 21 | eqbrtrrd 3359 |
. . . . . . . . 9
|
| 23 | 10, 11, 5, 12, 22 | letrd 6696 |
. . . . . . . 8
|
| 24 | 23 | adantr 425 |
. . . . . . 7
|
| 25 | 3 | a1i 8 |
. . . . . . . . . . 11
|
| 26 | ltsubadd2 6811 |
. . . . . . . . . . 11
| |
| 27 | 10, 25, 26 | mpd3an23 1193 |
. . . . . . . . . 10
|
| 28 | 27 | biimpa 460 |
. . . . . . . . 9
|
| 29 | readdcl 6455 |
. . . . . . . . . . . 12
| |
| 30 | 29, 10, 3 | sylancl 525 |
. . . . . . . . . . 11
|
| 31 | ltadd1 6806 |
. . . . . . . . . . 11
| |
| 32 | 30, 25, 31 | mpd3an23 1193 |
. . . . . . . . . 10
|
| 33 | 32 | adantr 425 |
. . . . . . . . 9
|
| 34 | 28, 33 | mpbid 212 |
. . . . . . . 8
|
| 35 | 10 | recnd 6468 |
. . . . . . . . . . 11
|
| 36 | 3 | recni 6467 |
. . . . . . . . . . . 12
|
| 37 | addass 6460 |
. . . . . . . . . . . 12
| |
| 38 | 36, 36, 37 | mp3an23 1183 |
. . . . . . . . . . 11
|
| 39 | 35, 38 | syl 12 |
. . . . . . . . . 10
|
| 40 | 36 | 2timesi 7187 |
. . . . . . . . . . . . 13
|
| 41 | 2cn 7164 |
. . . . . . . . . . . . . 14
| |
| 42 | 41, 2 | recidi 6916 |
. . . . . . . . . . . . 13
|
| 43 | 40, 42 | eqtr3i 1910 |
. . . . . . . . . . . 12
|
| 44 | 43 | a1i 8 |
. . . . . . . . . . 11
|
| 45 | 44 | opreq2d 4898 |
. . . . . . . . . 10
|
| 46 | 39, 45 | eqtrd 1925 |
. . . . . . . . 9
|
| 47 | 46 | adantr 425 |
. . . . . . . 8
|
| 48 | 34, 47 | breqtrd 3361 |
. . . . . . 7
|
| 49 | 9, 24, 48 | mpbir2and 802 |
. . . . . 6
|
| 50 | 49 | opreq1d 4897 |
. . . . 5
|
| 51 | 50 | fveq2d 4685 |
. . . 4
|
| 52 | abssuble0 8148 |
. . . . . 6
| |
| 53 | 10, 11, 12, 52 | syl111anc 1100 |
. . . . 5
|
| 54 | 53 | adantr 425 |
. . . 4
|
| 55 | 51, 54 | eqtrd 1925 |
. . 3
|
| 56 | ltle 6690 |
. . . . 5
| |
| 57 | resubcl 6601 |
. . . . . 6
| |
| 58 | 10, 57 | mpdan 768 |
. . . . 5
|
| 59 | 56, 58, 3 | sylancl 525 |
. . . 4
|
| 60 | 59 | imp 377 |
. . 3
|
| 61 | 55, 60 | eqbrtrd 3357 |
. 2
|
| 62 | zaddcl 7374 |
. . . . . . . . . . 11
| |
| 63 | 1z 7368 |
. . . . . . . . . . 11
| |
| 64 | 62, 63, 6 | sylancr 526 |
. . . . . . . . . 10
|
| 65 | flbi 7480 |
. . . . . . . . . 10
| |
| 66 | 5, 64, 65 | syl11anc 524 |
. . . . . . . . 9
|
| 67 | 66 | adantr 425 |
. . . . . . . 8
|
| 68 | 36 | a1i 8 |
. . . . . . . . . . . 12
|
| 69 | 35, 68, 68, 37 | syl111anc 1100 |
. . . . . . . . . . 11
|
| 70 | addcom 6458 |
. . . . . . . . . . . 12
| |
| 71 | ax1cn 6422 |
. . . . . . . . . . . 12
| |
| 72 | 70, 35, 71 | sylancl 525 |
. . . . . . . . . . 11
|
| 73 | 69, 45, 72 | 3eqtrd 1929 |
. . . . . . . . . 10
|
| 74 | 73 | adantr 425 |
. . . . . . . . 9
|
| 75 | leaddsub2 6817 |
. . . . . . . . . . . 12
| |
| 76 | 10, 25, 11, 75 | syl111anc 1100 |
. . . . . . . . . . 11
|
| 77 | 76 | biimpar 461 |
. . . . . . . . . 10
|
| 78 | leadd1 6808 |
. . . . . . . . . . . 12
| |
| 79 | 30, 11, 25, 78 | syl111anc 1100 |
. . . . . . . . . . 11
|
| 80 | 79 | adantr 425 |
. . . . . . . . . 10
|
| 81 | 77, 80 | mpbid 212 |
. . . . . . . . 9
|
| 82 | 74, 81 | eqbrtrrd 3359 |
. . . . . . . 8
|
| 83 | fraclt1 7470 |
. . . . . . . . . . . 12
| |
| 84 | 1re 6598 |
. . . . . . . . . . . . . 14
| |
| 85 | 84 | a1i 8 |
. . . . . . . . . . . . 13
|
| 86 | ltsubadd 6810 |
. . . . . . . . . . . . 13
| |
| 87 | 10, 85, 86 | mpd3an23 1193 |
. . . . . . . . . . . 12
|
| 88 | 83, 87 | mpbid 212 |
. . . . . . . . . . 11
|
| 89 | halflt1 7216 |
. . . . . . . . . . 11
| |
| 90 | 88, 89 | jctir 317 |
. . . . . . . . . 10
|
| 91 | readdcl 6455 |
. . . . . . . . . . . 12
| |
| 92 | 91, 84, 10 | sylancr 526 |
. . . . . . . . . . 11
|
| 93 | lt2add 6827 |
. . . . . . . . . . 11
| |
| 94 | 11, 25, 92, 85, 93 | syl22anc 1101 |
. . . . . . . . . 10
|
| 95 | 90, 94 | mpd 29 |
. . . . . . . . 9
|
| 96 | 95 | adantr 425 |
. . . . . . . 8
|
| 97 | 67, 82, 96 | mpbir2and 802 |
. . . . . . 7
|
| 98 | 97 | opreq1d 4897 |
. . . . . 6
|
| 99 | 71 | a1i 8 |
. . . . . . . 8
|
| 100 | subsub3 6628 |
. . . . . . . 8
| |
| 101 | 99, 13, 35, 100 | syl111anc 1100 |
. . . . . . 7
|
| 102 | 101 | adantr 425 |
. . . . . 6
|
| 103 | 98, 102 | eqtr4d 1928 |
. . . . 5
|
| 104 | 103 | fveq2d 4685 |
. . . 4
|
| 105 | resubcl 6601 |
. . . . . . 7
| |
| 106 | 105, 84, 58 | sylancr 526 |
. . . . . 6
|
| 107 | ltle 6690 |
. . . . . . . . 9
| |
| 108 | 107, 58, 84 | sylancl 525 |
. . . . . . . 8
|
| 109 | 83, 108 | mpd 29 |
. . . . . . 7
|
| 110 | subge0 6863 |
. . . . . . . 8
| |
| 111 | 110, 84, 58 | sylancr 526 |
. . . . . . 7
|
| 112 | 109, 111 | mpbird 213 |
. . . . . 6
|
| 113 | absid 8113 |
. . . . . 6
| |
| 114 | 106, 112, 113 | syl11anc 524 |
. . . . 5
|
| 115 | 114 | adantr 425 |
. . . 4
|
| 116 | 104, 115 | eqtrd 1925 |
. . 3
|
| 117 | lesub2 6850 |
. . . . . 6
| |
| 118 | 25, 58, 85, 117 | syl111anc 1100 |
. . . . 5
|
| 119 | 118 | biimpa 460 |
. . . 4
|
| 120 | 71, 36, 36, 43 | subaddrii 6529 |
. . . 4
|
| 121 | 119, 120 | syl6breq 3376 |
. . 3
|
| 122 | 116, 121 | eqbrtrd 3357 |
. 2
|
| 123 | 61, 122, 58, 25 | pm2.61ltlei 6705 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: rrntotbndlem2 16021 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 1304 ax-gen 1305 ax-8 1306 ax-9 1307 ax-10 1308 ax-11 1309 ax-12 1310 ax-13 1311 ax-14 1312 ax-17 1317 ax-4 1319 ax-5o 1321 ax-6o 1324 ax-9o 1481 ax-10o 1500 ax-16 1580 ax-11o 1588 ax-ext 1865 ax-rep 3428 ax-sep 3438 ax-nul 3445 ax-pow 3481 ax-pr 3524 ax-un 3790 ax-inf2 5731 |
| This theorem depends on definitions: df-bi 164 df-or 241 df-an 242 df-3or 859 df-3an 860 df-ex 1327 df-sb 1536 df-eu 1775 df-mo 1776 df-clab 1872 df-cleq 1877 df-clel 1880 df-ne 2019 df-nel 2020 df-ral 2109 df-rex 2110 df-reu 2111 df-rab 2112 df-v 2294 df-sbc 2454 df-csb 2541 df-dif 2597 df-un 2600 df-in 2603 df-ss 2605 df-pss 2607 df-nul 2876 df-if 2983 df-pw 3035 df-sn 3049 df-pr 3050 df-tp 3052 df-op 3053 df-uni 3178 df-int 3215 df-iun 3257 df-br 3339 df-opab 3396 df-tr 3412 df-eprel 3583 df-id 3586 df-po 3591 df-so 3604 df-fr 3625 df-we 3644 df-ord 3660 df-on 3661 df-lim 3662 df-suc 3663 df-om 3950 df-xp 4000 df-rel 4001 df-cnv 4002 df-co 4003 df-dm 4004 df-rn 4005 df-res 4006 df-ima 4007 df-fun 4008 df-fn 4009 df-f 4010 df-f1 4011 df-fo 4012 df-f1o 4013 df-fv 4014 df-opr 4886 df-oprab 4887 df-mpt 5006 df-1st 5020 df-2nd 5021 df-iota 5089 df-rdg 5140 df-1o 5177 df-oadd 5179 df-omul 5180 df-er 5318 df-ec 5320 df-qs 5323 df-en 5427 df-dom 5428 df-sdom 5429 df-undef 5556 df-riota 5560 df-sup 5664 df-ni 6152 df-pli 6153 df-mi 6154 df-lti 6155 df-plpq 6187 df-mpq 6188 df-enq 6189 df-nq 6190 df-plq 6191 df-mq 6192 df-rq 6193 df-ltq 6194 df-1q 6195 df-np 6238 df-1p 6239 df-plp 6240 df-mp 6241 df-ltp 6242 df-plpr 6316 df-mpr 6317 df-enr 6318 df-nr 6319 df-plr 6320 df-mr 6321 df-ltr 6322 df-0r 6323 df-1r 6324 df-m1r 6325 df-c 6392 df-0 6393 df-1 6394 df-i 6395 df-r 6396 df-plus 6397 df-mul 6398 df-lt 6399 df-sub 6511 df-neg 6513 df-pnf 6654 df-mnf 6655 df-xr 6656 df-ltxr 6657 df-le 6658 df-div 6892 df-n 7108 df-2 7154 df-n0 7309 df-z 7345 df-fl 7463 df-sqr 7920 df-re 8001 df-im 8002 df-cj 8003 df-abs 8004 |