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| Mirrors > Home > MPE Home > Th. List > dvdsval3 | Structured version Visualization version GIF version | ||
| Description: One nonzero integer divides another integer if and only if the remainder upon division is zero, see remark in [ApostolNT] p. 106. (Contributed by Mario Carneiro, 22-Feb-2014.) (Revised by Mario Carneiro, 15-Jul-2014.) |
| Ref | Expression |
|---|---|
| dvdsval3 | ⊢ ((𝑀 ∈ ℕ ∧ 𝑁 ∈ ℤ) → (𝑀 ∥ 𝑁 ↔ (𝑁 mod 𝑀) = 0)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nnz 12536 | . . . 4 ⊢ (𝑀 ∈ ℕ → 𝑀 ∈ ℤ) | |
| 2 | nnne0 12202 | . . . 4 ⊢ (𝑀 ∈ ℕ → 𝑀 ≠ 0) | |
| 3 | 1, 2 | jca 511 | . . 3 ⊢ (𝑀 ∈ ℕ → (𝑀 ∈ ℤ ∧ 𝑀 ≠ 0)) |
| 4 | dvdsval2 16215 | . . . 4 ⊢ ((𝑀 ∈ ℤ ∧ 𝑀 ≠ 0 ∧ 𝑁 ∈ ℤ) → (𝑀 ∥ 𝑁 ↔ (𝑁 / 𝑀) ∈ ℤ)) | |
| 5 | 4 | 3expa 1119 | . . 3 ⊢ (((𝑀 ∈ ℤ ∧ 𝑀 ≠ 0) ∧ 𝑁 ∈ ℤ) → (𝑀 ∥ 𝑁 ↔ (𝑁 / 𝑀) ∈ ℤ)) |
| 6 | 3, 5 | sylan 581 | . 2 ⊢ ((𝑀 ∈ ℕ ∧ 𝑁 ∈ ℤ) → (𝑀 ∥ 𝑁 ↔ (𝑁 / 𝑀) ∈ ℤ)) |
| 7 | zre 12519 | . . 3 ⊢ (𝑁 ∈ ℤ → 𝑁 ∈ ℝ) | |
| 8 | nnrp 12945 | . . 3 ⊢ (𝑀 ∈ ℕ → 𝑀 ∈ ℝ+) | |
| 9 | mod0 13826 | . . 3 ⊢ ((𝑁 ∈ ℝ ∧ 𝑀 ∈ ℝ+) → ((𝑁 mod 𝑀) = 0 ↔ (𝑁 / 𝑀) ∈ ℤ)) | |
| 10 | 7, 8, 9 | syl2anr 598 | . 2 ⊢ ((𝑀 ∈ ℕ ∧ 𝑁 ∈ ℤ) → ((𝑁 mod 𝑀) = 0 ↔ (𝑁 / 𝑀) ∈ ℤ)) |
| 11 | 6, 10 | bitr4d 282 | 1 ⊢ ((𝑀 ∈ ℕ ∧ 𝑁 ∈ ℤ) → (𝑀 ∥ 𝑁 ↔ (𝑁 mod 𝑀) = 0)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 = wceq 1542 ∈ wcel 2114 ≠ wne 2933 class class class wbr 5086 (class class class)co 7360 ℝcr 11028 0cc0 11029 / cdiv 11798 ℕcn 12165 ℤcz 12515 ℝ+crp 12933 mod cmo 13819 ∥ cdvds 16212 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5231 ax-nul 5241 ax-pow 5302 ax-pr 5370 ax-un 7682 ax-cnex 11085 ax-resscn 11086 ax-1cn 11087 ax-icn 11088 ax-addcl 11089 ax-addrcl 11090 ax-mulcl 11091 ax-mulrcl 11092 ax-mulcom 11093 ax-addass 11094 ax-mulass 11095 ax-distr 11096 ax-i2m1 11097 ax-1ne0 11098 ax-1rid 11099 ax-rnegex 11100 ax-rrecex 11101 ax-cnre 11102 ax-pre-lttri 11103 ax-pre-lttrn 11104 ax-pre-ltadd 11105 ax-pre-mulgt0 11106 ax-pre-sup 11107 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rmo 3343 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5519 df-eprel 5524 df-po 5532 df-so 5533 df-fr 5577 df-we 5579 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-pred 6259 df-ord 6320 df-on 6321 df-lim 6322 df-suc 6323 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-riota 7317 df-ov 7363 df-oprab 7364 df-mpo 7365 df-om 7811 df-2nd 7936 df-frecs 8224 df-wrecs 8255 df-recs 8304 df-rdg 8342 df-er 8636 df-en 8887 df-dom 8888 df-sdom 8889 df-sup 9348 df-inf 9349 df-pnf 11172 df-mnf 11173 df-xr 11174 df-ltxr 11175 df-le 11176 df-sub 11370 df-neg 11371 df-div 11799 df-nn 12166 df-n0 12429 df-z 12516 df-uz 12780 df-rp 12934 df-fl 13742 df-mod 13820 df-dvds 16213 |
| This theorem is referenced by: dvdsmod0 16218 moddvds 16223 summodnegmod 16246 mod2eq0even 16306 bezoutlem3 16501 odzdvds 16757 m1dvdsndvds 16760 fldivp1 16859 4sqlem10 16909 oddvds 19513 gexdvds 19550 zringlpirlem3 21454 fermltlchr 21519 wilthimp 27049 lgslem1 27274 lgsne0 27312 lgsprme0 27316 lgseisenlem1 27352 2lgs 27384 znfermltl 33441 dvdsabsmod0 43433 gpg3kgrtriexlem5 48575 |
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