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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 9439 |
. . . . . . . 8
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
4 | exbtwnz.a |
. . . . . . . . 9
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5 | 4 | ad2antrr 488 |
. . . . . . . 8
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6 | simplrr 536 |
. . . . . . . . . 10
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7 | 6 | zred 9439 |
. . . . . . . . 9
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
8 | 1red 8034 |
. . . . . . . . 9
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9 | 7, 8 | readdcld 8049 |
. . . . . . . 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 8144 |
. . . . . . 7
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13 | zleltp1 9372 |
. . . . . . . 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 8049 |
. . . . . . . 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 8144 |
. . . . . . 7
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20 | zleltp1 9372 |
. . . . . . . 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 8135 |
. . . . . 6
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24 | 15, 22, 23 | mpbir2and 946 |
. . . . 5
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25 | 24 | ex 115 |
. . . 4
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26 | 25 | ralrimivva 2576 |
. . 3
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27 | breq1 4032 |
. . . . 5
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28 | oveq1 5925 |
. . . . . 6
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29 | 28 | breq2d 4041 |
. . . . 5
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30 | 27, 29 | anbi12d 473 |
. . . 4
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31 | 30 | rmo4 2953 |
. . 3
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32 | 26, 31 | sylibr 134 |
. 2
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33 | reu5 2711 |
. 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 615 ax-in2 616 ax-io 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-13 2166 ax-14 2167 ax-ext 2175 ax-sep 4147 ax-pow 4203 ax-pr 4238 ax-un 4464 ax-setind 4569 ax-cnex 7963 ax-resscn 7964 ax-1cn 7965 ax-1re 7966 ax-icn 7967 ax-addcl 7968 ax-addrcl 7969 ax-mulcl 7970 ax-addcom 7972 ax-addass 7974 ax-distr 7976 ax-i2m1 7977 ax-0lt1 7978 ax-0id 7980 ax-rnegex 7981 ax-cnre 7983 ax-pre-ltirr 7984 ax-pre-ltwlin 7985 ax-pre-lttrn 7986 ax-pre-apti 7987 ax-pre-ltadd 7988 |
This theorem depends on definitions: df-bi 117 df-3or 981 df-3an 982 df-tru 1367 df-fal 1370 df-nf 1472 df-sb 1774 df-eu 2045 df-mo 2046 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-ne 2365 df-nel 2460 df-ral 2477 df-rex 2478 df-reu 2479 df-rmo 2480 df-rab 2481 df-v 2762 df-sbc 2986 df-dif 3155 df-un 3157 df-in 3159 df-ss 3166 df-pw 3603 df-sn 3624 df-pr 3625 df-op 3627 df-uni 3836 df-int 3871 df-br 4030 df-opab 4091 df-id 4324 df-xp 4665 df-rel 4666 df-cnv 4667 df-co 4668 df-dm 4669 df-iota 5215 df-fun 5256 df-fv 5262 df-riota 5873 df-ov 5921 df-oprab 5922 df-mpo 5923 df-pnf 8056 df-mnf 8057 df-xr 8058 df-ltxr 8059 df-le 8060 df-sub 8192 df-neg 8193 df-inn 8983 df-n0 9241 df-z 9318 |
This theorem is referenced by: qbtwnz 10320 apbtwnz 10343 |
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