Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > modlt | Structured version Visualization version GIF version |
Description: The modulo operation is less than its second argument. (Contributed by NM, 10-Nov-2008.) |
Ref | Expression |
---|---|
modlt | ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ+) → (𝐴 mod 𝐵) < 𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | recn 10961 | . . . . 5 ⊢ (𝐴 ∈ ℝ → 𝐴 ∈ ℂ) | |
2 | rpcnne0 12748 | . . . . 5 ⊢ (𝐵 ∈ ℝ+ → (𝐵 ∈ ℂ ∧ 𝐵 ≠ 0)) | |
3 | divcan2 11641 | . . . . . 6 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ ∧ 𝐵 ≠ 0) → (𝐵 · (𝐴 / 𝐵)) = 𝐴) | |
4 | 3 | 3expb 1119 | . . . . 5 ⊢ ((𝐴 ∈ ℂ ∧ (𝐵 ∈ ℂ ∧ 𝐵 ≠ 0)) → (𝐵 · (𝐴 / 𝐵)) = 𝐴) |
5 | 1, 2, 4 | syl2an 596 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ+) → (𝐵 · (𝐴 / 𝐵)) = 𝐴) |
6 | 5 | oveq1d 7290 | . . 3 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ+) → ((𝐵 · (𝐴 / 𝐵)) − (𝐵 · (⌊‘(𝐴 / 𝐵)))) = (𝐴 − (𝐵 · (⌊‘(𝐴 / 𝐵))))) |
7 | rpcn 12740 | . . . . 5 ⊢ (𝐵 ∈ ℝ+ → 𝐵 ∈ ℂ) | |
8 | 7 | adantl 482 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ+) → 𝐵 ∈ ℂ) |
9 | rerpdivcl 12760 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ+) → (𝐴 / 𝐵) ∈ ℝ) | |
10 | 9 | recnd 11003 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ+) → (𝐴 / 𝐵) ∈ ℂ) |
11 | refldivcl 13543 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ+) → (⌊‘(𝐴 / 𝐵)) ∈ ℝ) | |
12 | 11 | recnd 11003 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ+) → (⌊‘(𝐴 / 𝐵)) ∈ ℂ) |
13 | 8, 10, 12 | subdid 11431 | . . 3 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ+) → (𝐵 · ((𝐴 / 𝐵) − (⌊‘(𝐴 / 𝐵)))) = ((𝐵 · (𝐴 / 𝐵)) − (𝐵 · (⌊‘(𝐴 / 𝐵))))) |
14 | modval 13591 | . . 3 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ+) → (𝐴 mod 𝐵) = (𝐴 − (𝐵 · (⌊‘(𝐴 / 𝐵))))) | |
15 | 6, 13, 14 | 3eqtr4rd 2789 | . 2 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ+) → (𝐴 mod 𝐵) = (𝐵 · ((𝐴 / 𝐵) − (⌊‘(𝐴 / 𝐵))))) |
16 | fraclt1 13522 | . . . . 5 ⊢ ((𝐴 / 𝐵) ∈ ℝ → ((𝐴 / 𝐵) − (⌊‘(𝐴 / 𝐵))) < 1) | |
17 | 9, 16 | syl 17 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ+) → ((𝐴 / 𝐵) − (⌊‘(𝐴 / 𝐵))) < 1) |
18 | divid 11662 | . . . . . 6 ⊢ ((𝐵 ∈ ℂ ∧ 𝐵 ≠ 0) → (𝐵 / 𝐵) = 1) | |
19 | 2, 18 | syl 17 | . . . . 5 ⊢ (𝐵 ∈ ℝ+ → (𝐵 / 𝐵) = 1) |
20 | 19 | adantl 482 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ+) → (𝐵 / 𝐵) = 1) |
21 | 17, 20 | breqtrrd 5102 | . . 3 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ+) → ((𝐴 / 𝐵) − (⌊‘(𝐴 / 𝐵))) < (𝐵 / 𝐵)) |
22 | 9, 11 | resubcld 11403 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ+) → ((𝐴 / 𝐵) − (⌊‘(𝐴 / 𝐵))) ∈ ℝ) |
23 | rpre 12738 | . . . . 5 ⊢ (𝐵 ∈ ℝ+ → 𝐵 ∈ ℝ) | |
24 | 23 | adantl 482 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ+) → 𝐵 ∈ ℝ) |
25 | rpregt0 12744 | . . . . 5 ⊢ (𝐵 ∈ ℝ+ → (𝐵 ∈ ℝ ∧ 0 < 𝐵)) | |
26 | 25 | adantl 482 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ+) → (𝐵 ∈ ℝ ∧ 0 < 𝐵)) |
27 | ltmuldiv2 11849 | . . . 4 ⊢ ((((𝐴 / 𝐵) − (⌊‘(𝐴 / 𝐵))) ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ (𝐵 ∈ ℝ ∧ 0 < 𝐵)) → ((𝐵 · ((𝐴 / 𝐵) − (⌊‘(𝐴 / 𝐵)))) < 𝐵 ↔ ((𝐴 / 𝐵) − (⌊‘(𝐴 / 𝐵))) < (𝐵 / 𝐵))) | |
28 | 22, 24, 26, 27 | syl3anc 1370 | . . 3 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ+) → ((𝐵 · ((𝐴 / 𝐵) − (⌊‘(𝐴 / 𝐵)))) < 𝐵 ↔ ((𝐴 / 𝐵) − (⌊‘(𝐴 / 𝐵))) < (𝐵 / 𝐵))) |
29 | 21, 28 | mpbird 256 | . 2 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ+) → (𝐵 · ((𝐴 / 𝐵) − (⌊‘(𝐴 / 𝐵)))) < 𝐵) |
30 | 15, 29 | eqbrtrd 5096 | 1 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ+) → (𝐴 mod 𝐵) < 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 396 = wceq 1539 ∈ wcel 2106 ≠ wne 2943 class class class wbr 5074 ‘cfv 6433 (class class class)co 7275 ℂcc 10869 ℝcr 10870 0cc0 10871 1c1 10872 · cmul 10876 < clt 11009 − cmin 11205 / cdiv 11632 ℝ+crp 12730 ⌊cfl 13510 mod cmo 13589 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-sep 5223 ax-nul 5230 ax-pow 5288 ax-pr 5352 ax-un 7588 ax-cnex 10927 ax-resscn 10928 ax-1cn 10929 ax-icn 10930 ax-addcl 10931 ax-addrcl 10932 ax-mulcl 10933 ax-mulrcl 10934 ax-mulcom 10935 ax-addass 10936 ax-mulass 10937 ax-distr 10938 ax-i2m1 10939 ax-1ne0 10940 ax-1rid 10941 ax-rnegex 10942 ax-rrecex 10943 ax-cnre 10944 ax-pre-lttri 10945 ax-pre-lttrn 10946 ax-pre-ltadd 10947 ax-pre-mulgt0 10948 ax-pre-sup 10949 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3069 df-rex 3070 df-rmo 3071 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-pss 3906 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-iun 4926 df-br 5075 df-opab 5137 df-mpt 5158 df-tr 5192 df-id 5489 df-eprel 5495 df-po 5503 df-so 5504 df-fr 5544 df-we 5546 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-pred 6202 df-ord 6269 df-on 6270 df-lim 6271 df-suc 6272 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-riota 7232 df-ov 7278 df-oprab 7279 df-mpo 7280 df-om 7713 df-2nd 7832 df-frecs 8097 df-wrecs 8128 df-recs 8202 df-rdg 8241 df-er 8498 df-en 8734 df-dom 8735 df-sdom 8736 df-sup 9201 df-inf 9202 df-pnf 11011 df-mnf 11012 df-xr 11013 df-ltxr 11014 df-le 11015 df-sub 11207 df-neg 11208 df-div 11633 df-nn 11974 df-n0 12234 df-z 12320 df-uz 12583 df-rp 12731 df-fl 13512 df-mod 13590 |
This theorem is referenced by: modelico 13601 zmodfz 13613 modid2 13618 modabs 13624 modaddmodup 13654 modsubdir 13660 digit1 13952 cshwidxmod 14516 repswcshw 14525 divalgmod 16115 bitsmod 16143 bitsinv1lem 16148 bezoutlem3 16249 eucalglt 16290 odzdvds 16496 fldivp1 16598 4sqlem6 16644 4sqlem12 16657 mndodcong 19150 oddvds 19155 gexdvds 19189 zringlpirlem3 20686 sineq0 25680 efif1olem2 25699 lgseisenlem1 26523 irrapxlem1 40644 pellfund14 40720 jm2.19 40815 sineq0ALT 42557 fourierswlem 43771 fouriersw 43772 |
Copyright terms: Public domain | W3C validator |