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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 15968 | . . 3 ⊢ (𝑀 ∥ 𝑁 → (𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ)) | |
2 | simpll 764 | . . . . . . . 8 ⊢ (((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ 𝑀 ≠ 0) → 𝑀 ∈ ℤ) | |
3 | oveq1 7282 | . . . . . . . . . 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 482 | . . . . . . . 8 ⊢ ((((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ 𝑀 ≠ 0) ∧ 𝑚 = 𝑀) → ((𝑚 · (𝑁 / 𝑀)) = 𝑁 ↔ (𝑀 · (𝑁 / 𝑀)) = 𝑁)) |
6 | zcn 12324 | . . . . . . . . . . 11 ⊢ (𝑁 ∈ ℤ → 𝑁 ∈ ℂ) | |
7 | 6 | adantl 482 | . . . . . . . . . 10 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → 𝑁 ∈ ℂ) |
8 | 7 | adantr 481 | . . . . . . . . 9 ⊢ (((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ 𝑀 ≠ 0) → 𝑁 ∈ ℂ) |
9 | zcn 12324 | . . . . . . . . . . 11 ⊢ (𝑀 ∈ ℤ → 𝑀 ∈ ℂ) | |
10 | 9 | adantr 481 | . . . . . . . . . 10 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → 𝑀 ∈ ℂ) |
11 | 10 | adantr 481 | . . . . . . . . 9 ⊢ (((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ 𝑀 ≠ 0) → 𝑀 ∈ ℂ) |
12 | simpr 485 | . . . . . . . . 9 ⊢ (((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ 𝑀 ≠ 0) → 𝑀 ≠ 0) | |
13 | 8, 11, 12 | divcan2d 11753 | . . . . . . . 8 ⊢ (((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ 𝑀 ≠ 0) → (𝑀 · (𝑁 / 𝑀)) = 𝑁) |
14 | 2, 5, 13 | rspcedvd 3563 | . . . . . . 7 ⊢ (((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ 𝑀 ≠ 0) → ∃𝑚 ∈ ℤ (𝑚 · (𝑁 / 𝑀)) = 𝑁) |
15 | 14 | adantr 481 | . . . . . 6 ⊢ ((((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ 𝑀 ≠ 0) ∧ 𝑀 ∥ 𝑁) → ∃𝑚 ∈ ℤ (𝑚 · (𝑁 / 𝑀)) = 𝑁) |
16 | simpr 485 | . . . . . . . 8 ⊢ ((((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ 𝑀 ≠ 0) ∧ 𝑀 ∥ 𝑁) → 𝑀 ∥ 𝑁) | |
17 | simpr 485 | . . . . . . . . . . . 12 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → 𝑁 ∈ ℤ) | |
18 | 17 | adantr 481 | . . . . . . . . . . 11 ⊢ (((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ 𝑀 ≠ 0) → 𝑁 ∈ ℤ) |
19 | 2, 12, 18 | 3jca 1127 | . . . . . . . . . 10 ⊢ (((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ 𝑀 ≠ 0) → (𝑀 ∈ ℤ ∧ 𝑀 ≠ 0 ∧ 𝑁 ∈ ℤ)) |
20 | 19 | adantr 481 | . . . . . . . . 9 ⊢ ((((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ 𝑀 ≠ 0) ∧ 𝑀 ∥ 𝑁) → (𝑀 ∈ ℤ ∧ 𝑀 ≠ 0 ∧ 𝑁 ∈ ℤ)) |
21 | dvdsval2 15966 | . . . . . . . . 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 481 | . . . . . . 7 ⊢ ((((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ 𝑀 ≠ 0) ∧ 𝑀 ∥ 𝑁) → 𝑁 ∈ ℤ) |
25 | divides 15965 | . . . . . . 7 ⊢ (((𝑁 / 𝑀) ∈ ℤ ∧ 𝑁 ∈ ℤ) → ((𝑁 / 𝑀) ∥ 𝑁 ↔ ∃𝑚 ∈ ℤ (𝑚 · (𝑁 / 𝑀)) = 𝑁)) | |
26 | 23, 24, 25 | syl2anc 584 | . . . . . 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 420 | . . . 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 407 | 1 ⊢ ((𝑀 ∥ 𝑁 ∧ 𝑀 ≠ 0) → (𝑁 / 𝑀) ∥ 𝑁) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 396 ∧ w3a 1086 = wceq 1539 ∈ wcel 2106 ≠ wne 2943 ∃wrex 3065 class class class wbr 5074 (class class class)co 7275 ℂcc 10869 0cc0 10871 · cmul 10876 / cdiv 11632 ℤcz 12319 ∥ cdvds 15963 |
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-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 |
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-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-br 5075 df-opab 5137 df-mpt 5158 df-id 5489 df-po 5503 df-so 5504 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-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-er 8498 df-en 8734 df-dom 8735 df-sdom 8736 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-z 12320 df-dvds 15964 |
This theorem is referenced by: dvdsdivcl 16025 fincygsubgodexd 19716 |
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