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Mirrors > Home > ILE Home > Th. List > exbtwnz | Unicode version |
Description: If a real number is between an integer and its successor, there is a unique greatest integer less than or equal to the real number. (Contributed by Jim Kingdon, 10-May-2022.) |
Ref | Expression |
---|---|
exbtwnz.ex |
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exbtwnz.a |
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Ref | Expression |
---|---|
exbtwnz |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | exbtwnz.ex |
. 2
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2 | simplrl 535 |
. . . . . . . . 9
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
3 | 2 | zred 9364 |
. . . . . . . 8
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
4 | exbtwnz.a |
. . . . . . . . 9
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5 | 4 | ad2antrr 488 |
. . . . . . . 8
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6 | simplrr 536 |
. . . . . . . . . 10
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
7 | 6 | zred 9364 |
. . . . . . . . 9
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8 | 1red 7963 |
. . . . . . . . 9
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9 | 7, 8 | readdcld 7977 |
. . . . . . . 8
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10 | simprll 537 |
. . . . . . . 8
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11 | simprrr 540 |
. . . . . . . 8
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12 | 3, 5, 9, 10, 11 | lelttrd 8072 |
. . . . . . 7
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13 | zleltp1 9297 |
. . . . . . . 8
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
14 | 2, 6, 13 | syl2anc 411 |
. . . . . . 7
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15 | 12, 14 | mpbird 167 |
. . . . . 6
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16 | 3, 8 | readdcld 7977 |
. . . . . . . 8
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17 | simprrl 539 |
. . . . . . . 8
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18 | simprlr 538 |
. . . . . . . 8
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19 | 7, 5, 16, 17, 18 | lelttrd 8072 |
. . . . . . 7
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20 | zleltp1 9297 |
. . . . . . . 8
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21 | 6, 2, 20 | syl2anc 411 |
. . . . . . 7
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22 | 19, 21 | mpbird 167 |
. . . . . 6
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23 | 3, 7 | letri3d 8063 |
. . . . . 6
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24 | 15, 22, 23 | mpbir2and 944 |
. . . . 5
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25 | 24 | ex 115 |
. . . 4
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26 | 25 | ralrimivva 2559 |
. . 3
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27 | breq1 4003 |
. . . . 5
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28 | oveq1 5876 |
. . . . . 6
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29 | 28 | breq2d 4012 |
. . . . 5
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30 | 27, 29 | anbi12d 473 |
. . . 4
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31 | 30 | rmo4 2930 |
. . 3
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32 | 26, 31 | sylibr 134 |
. 2
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33 | reu5 2689 |
. 2
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34 | 1, 32, 33 | sylanbrc 417 |
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 614 ax-in2 615 ax-io 709 ax-5 1447 ax-7 1448 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-8 1504 ax-10 1505 ax-11 1506 ax-i12 1507 ax-bndl 1509 ax-4 1510 ax-17 1526 ax-i9 1530 ax-ial 1534 ax-i5r 1535 ax-13 2150 ax-14 2151 ax-ext 2159 ax-sep 4118 ax-pow 4171 ax-pr 4206 ax-un 4430 ax-setind 4533 ax-cnex 7893 ax-resscn 7894 ax-1cn 7895 ax-1re 7896 ax-icn 7897 ax-addcl 7898 ax-addrcl 7899 ax-mulcl 7900 ax-addcom 7902 ax-addass 7904 ax-distr 7906 ax-i2m1 7907 ax-0lt1 7908 ax-0id 7910 ax-rnegex 7911 ax-cnre 7913 ax-pre-ltirr 7914 ax-pre-ltwlin 7915 ax-pre-lttrn 7916 ax-pre-apti 7917 ax-pre-ltadd 7918 |
This theorem depends on definitions: df-bi 117 df-3or 979 df-3an 980 df-tru 1356 df-fal 1359 df-nf 1461 df-sb 1763 df-eu 2029 df-mo 2030 df-clab 2164 df-cleq 2170 df-clel 2173 df-nfc 2308 df-ne 2348 df-nel 2443 df-ral 2460 df-rex 2461 df-reu 2462 df-rmo 2463 df-rab 2464 df-v 2739 df-sbc 2963 df-dif 3131 df-un 3133 df-in 3135 df-ss 3142 df-pw 3576 df-sn 3597 df-pr 3598 df-op 3600 df-uni 3808 df-int 3843 df-br 4001 df-opab 4062 df-id 4290 df-xp 4629 df-rel 4630 df-cnv 4631 df-co 4632 df-dm 4633 df-iota 5174 df-fun 5214 df-fv 5220 df-riota 5825 df-ov 5872 df-oprab 5873 df-mpo 5874 df-pnf 7984 df-mnf 7985 df-xr 7986 df-ltxr 7987 df-le 7988 df-sub 8120 df-neg 8121 df-inn 8909 df-n0 9166 df-z 9243 |
This theorem is referenced by: qbtwnz 10238 apbtwnz 10260 |
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