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Mirrors > Home > ILE Home > Th. List > modqelico | GIF version |
Description: Modular reduction produces a half-open interval. (Contributed by Jim Kingdon, 18-Oct-2021.) |
Ref | Expression |
---|---|
modqelico | ⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 0 < 𝐵) → (𝐴 mod 𝐵) ∈ (0[,)𝐵)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | modqcl 10294 | . . 3 ⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 0 < 𝐵) → (𝐴 mod 𝐵) ∈ ℚ) | |
2 | qre 9596 | . . 3 ⊢ ((𝐴 mod 𝐵) ∈ ℚ → (𝐴 mod 𝐵) ∈ ℝ) | |
3 | 1, 2 | syl 14 | . 2 ⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 0 < 𝐵) → (𝐴 mod 𝐵) ∈ ℝ) |
4 | modqge0 10300 | . 2 ⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 0 < 𝐵) → 0 ≤ (𝐴 mod 𝐵)) | |
5 | modqlt 10301 | . 2 ⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 0 < 𝐵) → (𝐴 mod 𝐵) < 𝐵) | |
6 | 0re 7932 | . . 3 ⊢ 0 ∈ ℝ | |
7 | qre 9596 | . . . . 5 ⊢ (𝐵 ∈ ℚ → 𝐵 ∈ ℝ) | |
8 | 7 | rexrd 7981 | . . . 4 ⊢ (𝐵 ∈ ℚ → 𝐵 ∈ ℝ*) |
9 | 8 | 3ad2ant2 1019 | . . 3 ⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 0 < 𝐵) → 𝐵 ∈ ℝ*) |
10 | elico2 9906 | . . 3 ⊢ ((0 ∈ ℝ ∧ 𝐵 ∈ ℝ*) → ((𝐴 mod 𝐵) ∈ (0[,)𝐵) ↔ ((𝐴 mod 𝐵) ∈ ℝ ∧ 0 ≤ (𝐴 mod 𝐵) ∧ (𝐴 mod 𝐵) < 𝐵))) | |
11 | 6, 9, 10 | sylancr 414 | . 2 ⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 0 < 𝐵) → ((𝐴 mod 𝐵) ∈ (0[,)𝐵) ↔ ((𝐴 mod 𝐵) ∈ ℝ ∧ 0 ≤ (𝐴 mod 𝐵) ∧ (𝐴 mod 𝐵) < 𝐵))) |
12 | 3, 4, 5, 11 | mpbir3and 1180 | 1 ⊢ ((𝐴 ∈ ℚ ∧ 𝐵 ∈ ℚ ∧ 0 < 𝐵) → (𝐴 mod 𝐵) ∈ (0[,)𝐵)) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ↔ wb 105 ∧ w3a 978 ∈ wcel 2146 class class class wbr 3998 (class class class)co 5865 ℝcr 7785 0cc0 7786 ℝ*cxr 7965 < clt 7966 ≤ cle 7967 ℚcq 9590 [,)cico 9859 mod cmo 10290 |
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 1445 ax-7 1446 ax-gen 1447 ax-ie1 1491 ax-ie2 1492 ax-8 1502 ax-10 1503 ax-11 1504 ax-i12 1505 ax-bndl 1507 ax-4 1508 ax-17 1524 ax-i9 1528 ax-ial 1532 ax-i5r 1533 ax-13 2148 ax-14 2149 ax-ext 2157 ax-sep 4116 ax-pow 4169 ax-pr 4203 ax-un 4427 ax-setind 4530 ax-cnex 7877 ax-resscn 7878 ax-1cn 7879 ax-1re 7880 ax-icn 7881 ax-addcl 7882 ax-addrcl 7883 ax-mulcl 7884 ax-mulrcl 7885 ax-addcom 7886 ax-mulcom 7887 ax-addass 7888 ax-mulass 7889 ax-distr 7890 ax-i2m1 7891 ax-0lt1 7892 ax-1rid 7893 ax-0id 7894 ax-rnegex 7895 ax-precex 7896 ax-cnre 7897 ax-pre-ltirr 7898 ax-pre-ltwlin 7899 ax-pre-lttrn 7900 ax-pre-apti 7901 ax-pre-ltadd 7902 ax-pre-mulgt0 7903 ax-pre-mulext 7904 ax-arch 7905 |
This theorem depends on definitions: df-bi 117 df-3or 979 df-3an 980 df-tru 1356 df-fal 1359 df-nf 1459 df-sb 1761 df-eu 2027 df-mo 2028 df-clab 2162 df-cleq 2168 df-clel 2171 df-nfc 2306 df-ne 2346 df-nel 2441 df-ral 2458 df-rex 2459 df-reu 2460 df-rmo 2461 df-rab 2462 df-v 2737 df-sbc 2961 df-csb 3056 df-dif 3129 df-un 3131 df-in 3133 df-ss 3140 df-pw 3574 df-sn 3595 df-pr 3596 df-op 3598 df-uni 3806 df-int 3841 df-iun 3884 df-br 3999 df-opab 4060 df-mpt 4061 df-id 4287 df-po 4290 df-iso 4291 df-xp 4626 df-rel 4627 df-cnv 4628 df-co 4629 df-dm 4630 df-rn 4631 df-res 4632 df-ima 4633 df-iota 5170 df-fun 5210 df-fn 5211 df-f 5212 df-fv 5216 df-riota 5821 df-ov 5868 df-oprab 5869 df-mpo 5870 df-1st 6131 df-2nd 6132 df-pnf 7968 df-mnf 7969 df-xr 7970 df-ltxr 7971 df-le 7972 df-sub 8104 df-neg 8105 df-reap 8506 df-ap 8513 df-div 8602 df-inn 8891 df-n0 9148 df-z 9225 df-q 9591 df-rp 9623 df-ico 9863 df-fl 10238 df-mod 10291 |
This theorem is referenced by: (None) |
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