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Mirrors > Home > MPE Home > Th. List > divconjdvds | Structured version Visualization version GIF version |
Description: If a nonzero integer 𝑀 divides another integer 𝑁, the other integer 𝑁 divided by the nonzero integer 𝑀 (i.e. the divisor conjugate of 𝑁 to 𝑀) divides the other integer 𝑁. Theorem 1.1(k) in [ApostolNT] p. 14. (Contributed by AV, 7-Aug-2021.) |
Ref | Expression |
---|---|
divconjdvds | ⊢ ((𝑀 ∥ 𝑁 ∧ 𝑀 ≠ 0) → (𝑁 / 𝑀) ∥ 𝑁) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dvdszrcl 15896 | . . 3 ⊢ (𝑀 ∥ 𝑁 → (𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ)) | |
2 | simpll 763 | . . . . . . . 8 ⊢ (((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ 𝑀 ≠ 0) → 𝑀 ∈ ℤ) | |
3 | oveq1 7262 | . . . . . . . . . 10 ⊢ (𝑚 = 𝑀 → (𝑚 · (𝑁 / 𝑀)) = (𝑀 · (𝑁 / 𝑀))) | |
4 | 3 | eqeq1d 2740 | . . . . . . . . 9 ⊢ (𝑚 = 𝑀 → ((𝑚 · (𝑁 / 𝑀)) = 𝑁 ↔ (𝑀 · (𝑁 / 𝑀)) = 𝑁)) |
5 | 4 | adantl 481 | . . . . . . . 8 ⊢ ((((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ 𝑀 ≠ 0) ∧ 𝑚 = 𝑀) → ((𝑚 · (𝑁 / 𝑀)) = 𝑁 ↔ (𝑀 · (𝑁 / 𝑀)) = 𝑁)) |
6 | zcn 12254 | . . . . . . . . . . 11 ⊢ (𝑁 ∈ ℤ → 𝑁 ∈ ℂ) | |
7 | 6 | adantl 481 | . . . . . . . . . 10 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → 𝑁 ∈ ℂ) |
8 | 7 | adantr 480 | . . . . . . . . 9 ⊢ (((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ 𝑀 ≠ 0) → 𝑁 ∈ ℂ) |
9 | zcn 12254 | . . . . . . . . . . 11 ⊢ (𝑀 ∈ ℤ → 𝑀 ∈ ℂ) | |
10 | 9 | adantr 480 | . . . . . . . . . 10 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → 𝑀 ∈ ℂ) |
11 | 10 | adantr 480 | . . . . . . . . 9 ⊢ (((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ 𝑀 ≠ 0) → 𝑀 ∈ ℂ) |
12 | simpr 484 | . . . . . . . . 9 ⊢ (((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ 𝑀 ≠ 0) → 𝑀 ≠ 0) | |
13 | 8, 11, 12 | divcan2d 11683 | . . . . . . . 8 ⊢ (((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ 𝑀 ≠ 0) → (𝑀 · (𝑁 / 𝑀)) = 𝑁) |
14 | 2, 5, 13 | rspcedvd 3555 | . . . . . . 7 ⊢ (((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ 𝑀 ≠ 0) → ∃𝑚 ∈ ℤ (𝑚 · (𝑁 / 𝑀)) = 𝑁) |
15 | 14 | adantr 480 | . . . . . 6 ⊢ ((((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ 𝑀 ≠ 0) ∧ 𝑀 ∥ 𝑁) → ∃𝑚 ∈ ℤ (𝑚 · (𝑁 / 𝑀)) = 𝑁) |
16 | simpr 484 | . . . . . . . 8 ⊢ ((((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ 𝑀 ≠ 0) ∧ 𝑀 ∥ 𝑁) → 𝑀 ∥ 𝑁) | |
17 | simpr 484 | . . . . . . . . . . . 12 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → 𝑁 ∈ ℤ) | |
18 | 17 | adantr 480 | . . . . . . . . . . 11 ⊢ (((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ 𝑀 ≠ 0) → 𝑁 ∈ ℤ) |
19 | 2, 12, 18 | 3jca 1126 | . . . . . . . . . 10 ⊢ (((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ 𝑀 ≠ 0) → (𝑀 ∈ ℤ ∧ 𝑀 ≠ 0 ∧ 𝑁 ∈ ℤ)) |
20 | 19 | adantr 480 | . . . . . . . . 9 ⊢ ((((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ 𝑀 ≠ 0) ∧ 𝑀 ∥ 𝑁) → (𝑀 ∈ ℤ ∧ 𝑀 ≠ 0 ∧ 𝑁 ∈ ℤ)) |
21 | dvdsval2 15894 | . . . . . . . . 9 ⊢ ((𝑀 ∈ ℤ ∧ 𝑀 ≠ 0 ∧ 𝑁 ∈ ℤ) → (𝑀 ∥ 𝑁 ↔ (𝑁 / 𝑀) ∈ ℤ)) | |
22 | 20, 21 | syl 17 | . . . . . . . 8 ⊢ ((((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ 𝑀 ≠ 0) ∧ 𝑀 ∥ 𝑁) → (𝑀 ∥ 𝑁 ↔ (𝑁 / 𝑀) ∈ ℤ)) |
23 | 16, 22 | mpbid 231 | . . . . . . 7 ⊢ ((((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ 𝑀 ≠ 0) ∧ 𝑀 ∥ 𝑁) → (𝑁 / 𝑀) ∈ ℤ) |
24 | 18 | adantr 480 | . . . . . . 7 ⊢ ((((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ 𝑀 ≠ 0) ∧ 𝑀 ∥ 𝑁) → 𝑁 ∈ ℤ) |
25 | divides 15893 | . . . . . . 7 ⊢ (((𝑁 / 𝑀) ∈ ℤ ∧ 𝑁 ∈ ℤ) → ((𝑁 / 𝑀) ∥ 𝑁 ↔ ∃𝑚 ∈ ℤ (𝑚 · (𝑁 / 𝑀)) = 𝑁)) | |
26 | 23, 24, 25 | syl2anc 583 | . . . . . 6 ⊢ ((((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ 𝑀 ≠ 0) ∧ 𝑀 ∥ 𝑁) → ((𝑁 / 𝑀) ∥ 𝑁 ↔ ∃𝑚 ∈ ℤ (𝑚 · (𝑁 / 𝑀)) = 𝑁)) |
27 | 15, 26 | mpbird 256 | . . . . 5 ⊢ ((((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ 𝑀 ≠ 0) ∧ 𝑀 ∥ 𝑁) → (𝑁 / 𝑀) ∥ 𝑁) |
28 | 27 | exp31 419 | . . . 4 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (𝑀 ≠ 0 → (𝑀 ∥ 𝑁 → (𝑁 / 𝑀) ∥ 𝑁))) |
29 | 28 | com3r 87 | . . 3 ⊢ (𝑀 ∥ 𝑁 → ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (𝑀 ≠ 0 → (𝑁 / 𝑀) ∥ 𝑁))) |
30 | 1, 29 | mpd 15 | . 2 ⊢ (𝑀 ∥ 𝑁 → (𝑀 ≠ 0 → (𝑁 / 𝑀) ∥ 𝑁)) |
31 | 30 | imp 406 | 1 ⊢ ((𝑀 ∥ 𝑁 ∧ 𝑀 ≠ 0) → (𝑁 / 𝑀) ∥ 𝑁) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 395 ∧ w3a 1085 = wceq 1539 ∈ wcel 2108 ≠ wne 2942 ∃wrex 3064 class class class wbr 5070 (class class class)co 7255 ℂcc 10800 0cc0 10802 · cmul 10807 / cdiv 11562 ℤcz 12249 ∥ cdvds 15891 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 ax-resscn 10859 ax-1cn 10860 ax-icn 10861 ax-addcl 10862 ax-addrcl 10863 ax-mulcl 10864 ax-mulrcl 10865 ax-mulcom 10866 ax-addass 10867 ax-mulass 10868 ax-distr 10869 ax-i2m1 10870 ax-1ne0 10871 ax-1rid 10872 ax-rnegex 10873 ax-rrecex 10874 ax-cnre 10875 ax-pre-lttri 10876 ax-pre-lttrn 10877 ax-pre-ltadd 10878 ax-pre-mulgt0 10879 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-nel 3049 df-ral 3068 df-rex 3069 df-reu 3070 df-rmo 3071 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-op 4565 df-uni 4837 df-br 5071 df-opab 5133 df-mpt 5154 df-id 5480 df-po 5494 df-so 5495 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-riota 7212 df-ov 7258 df-oprab 7259 df-mpo 7260 df-er 8456 df-en 8692 df-dom 8693 df-sdom 8694 df-pnf 10942 df-mnf 10943 df-xr 10944 df-ltxr 10945 df-le 10946 df-sub 11137 df-neg 11138 df-div 11563 df-z 12250 df-dvds 15892 |
This theorem is referenced by: dvdsdivcl 15953 fincygsubgodexd 19631 |
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