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Mirrors > Home > MPE Home > Th. List > Mathboxes > dvdsexpnn | Structured version Visualization version GIF version |
Description: dvdssqlem 15976 generalized to positive integer exponents. (Contributed by SN, 20-Aug-2024.) |
Ref | Expression |
---|---|
dvdsexpnn | ⊢ ((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ 𝑁 ∈ ℕ) → (𝐴 ∥ 𝐵 ↔ (𝐴↑𝑁) ∥ (𝐵↑𝑁))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nnz 12056 | . . 3 ⊢ (𝐴 ∈ ℕ → 𝐴 ∈ ℤ) | |
2 | nnz 12056 | . . 3 ⊢ (𝐵 ∈ ℕ → 𝐵 ∈ ℤ) | |
3 | nnnn0 11954 | . . 3 ⊢ (𝑁 ∈ ℕ → 𝑁 ∈ ℕ0) | |
4 | dvdsexpim 39870 | . . 3 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → (𝐴 ∥ 𝐵 → (𝐴↑𝑁) ∥ (𝐵↑𝑁))) | |
5 | 1, 2, 3, 4 | syl3an 1157 | . 2 ⊢ ((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ 𝑁 ∈ ℕ) → (𝐴 ∥ 𝐵 → (𝐴↑𝑁) ∥ (𝐵↑𝑁))) |
6 | gcdnncl 15919 | . . . . . . . 8 ⊢ ((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ) → (𝐴 gcd 𝐵) ∈ ℕ) | |
7 | 6 | nnrpd 12483 | . . . . . . 7 ⊢ ((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ) → (𝐴 gcd 𝐵) ∈ ℝ+) |
8 | 7 | 3adant3 1129 | . . . . . 6 ⊢ ((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ 𝑁 ∈ ℕ) → (𝐴 gcd 𝐵) ∈ ℝ+) |
9 | 8 | adantr 484 | . . . . 5 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ 𝑁 ∈ ℕ) ∧ (𝐴↑𝑁) ∥ (𝐵↑𝑁)) → (𝐴 gcd 𝐵) ∈ ℝ+) |
10 | simpl1 1188 | . . . . . 6 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ 𝑁 ∈ ℕ) ∧ (𝐴↑𝑁) ∥ (𝐵↑𝑁)) → 𝐴 ∈ ℕ) | |
11 | 10 | nnrpd 12483 | . . . . 5 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ 𝑁 ∈ ℕ) ∧ (𝐴↑𝑁) ∥ (𝐵↑𝑁)) → 𝐴 ∈ ℝ+) |
12 | simpl3 1190 | . . . . 5 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ 𝑁 ∈ ℕ) ∧ (𝐴↑𝑁) ∥ (𝐵↑𝑁)) → 𝑁 ∈ ℕ) | |
13 | expgcd 39876 | . . . . . . . 8 ⊢ ((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ 𝑁 ∈ ℕ0) → ((𝐴 gcd 𝐵)↑𝑁) = ((𝐴↑𝑁) gcd (𝐵↑𝑁))) | |
14 | 3, 13 | syl3an3 1162 | . . . . . . 7 ⊢ ((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ 𝑁 ∈ ℕ) → ((𝐴 gcd 𝐵)↑𝑁) = ((𝐴↑𝑁) gcd (𝐵↑𝑁))) |
15 | 14 | adantr 484 | . . . . . 6 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ 𝑁 ∈ ℕ) ∧ (𝐴↑𝑁) ∥ (𝐵↑𝑁)) → ((𝐴 gcd 𝐵)↑𝑁) = ((𝐴↑𝑁) gcd (𝐵↑𝑁))) |
16 | simp1 1133 | . . . . . . . . 9 ⊢ ((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ 𝑁 ∈ ℕ) → 𝐴 ∈ ℕ) | |
17 | 3 | 3ad2ant3 1132 | . . . . . . . . 9 ⊢ ((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ 𝑁 ∈ ℕ) → 𝑁 ∈ ℕ0) |
18 | 16, 17 | nnexpcld 13669 | . . . . . . . 8 ⊢ ((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ 𝑁 ∈ ℕ) → (𝐴↑𝑁) ∈ ℕ) |
19 | simp2 1134 | . . . . . . . . 9 ⊢ ((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ 𝑁 ∈ ℕ) → 𝐵 ∈ ℕ) | |
20 | 19, 17 | nnexpcld 13669 | . . . . . . . 8 ⊢ ((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ 𝑁 ∈ ℕ) → (𝐵↑𝑁) ∈ ℕ) |
21 | gcdeq 15968 | . . . . . . . 8 ⊢ (((𝐴↑𝑁) ∈ ℕ ∧ (𝐵↑𝑁) ∈ ℕ) → (((𝐴↑𝑁) gcd (𝐵↑𝑁)) = (𝐴↑𝑁) ↔ (𝐴↑𝑁) ∥ (𝐵↑𝑁))) | |
22 | 18, 20, 21 | syl2anc 587 | . . . . . . 7 ⊢ ((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ 𝑁 ∈ ℕ) → (((𝐴↑𝑁) gcd (𝐵↑𝑁)) = (𝐴↑𝑁) ↔ (𝐴↑𝑁) ∥ (𝐵↑𝑁))) |
23 | 22 | biimpar 481 | . . . . . 6 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ 𝑁 ∈ ℕ) ∧ (𝐴↑𝑁) ∥ (𝐵↑𝑁)) → ((𝐴↑𝑁) gcd (𝐵↑𝑁)) = (𝐴↑𝑁)) |
24 | 15, 23 | eqtrd 2793 | . . . . 5 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ 𝑁 ∈ ℕ) ∧ (𝐴↑𝑁) ∥ (𝐵↑𝑁)) → ((𝐴 gcd 𝐵)↑𝑁) = (𝐴↑𝑁)) |
25 | 9, 11, 12, 24 | exp11nnd 39866 | . . . 4 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ 𝑁 ∈ ℕ) ∧ (𝐴↑𝑁) ∥ (𝐵↑𝑁)) → (𝐴 gcd 𝐵) = 𝐴) |
26 | gcddvds 15915 | . . . . . . . 8 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ) → ((𝐴 gcd 𝐵) ∥ 𝐴 ∧ (𝐴 gcd 𝐵) ∥ 𝐵)) | |
27 | 26 | simprd 499 | . . . . . . 7 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ) → (𝐴 gcd 𝐵) ∥ 𝐵) |
28 | 1, 2, 27 | syl2an 598 | . . . . . 6 ⊢ ((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ) → (𝐴 gcd 𝐵) ∥ 𝐵) |
29 | 28 | 3adant3 1129 | . . . . 5 ⊢ ((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ 𝑁 ∈ ℕ) → (𝐴 gcd 𝐵) ∥ 𝐵) |
30 | 29 | adantr 484 | . . . 4 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ 𝑁 ∈ ℕ) ∧ (𝐴↑𝑁) ∥ (𝐵↑𝑁)) → (𝐴 gcd 𝐵) ∥ 𝐵) |
31 | 25, 30 | eqbrtrrd 5060 | . . 3 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ 𝑁 ∈ ℕ) ∧ (𝐴↑𝑁) ∥ (𝐵↑𝑁)) → 𝐴 ∥ 𝐵) |
32 | 31 | ex 416 | . 2 ⊢ ((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ 𝑁 ∈ ℕ) → ((𝐴↑𝑁) ∥ (𝐵↑𝑁) → 𝐴 ∥ 𝐵)) |
33 | 5, 32 | impbid 215 | 1 ⊢ ((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ 𝑁 ∈ ℕ) → (𝐴 ∥ 𝐵 ↔ (𝐴↑𝑁) ∥ (𝐵↑𝑁))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 209 ∧ wa 399 ∧ w3a 1084 = wceq 1538 ∈ wcel 2111 class class class wbr 5036 (class class class)co 7156 ℕcn 11687 ℕ0cn0 11947 ℤcz 12033 ℝ+crp 12443 ↑cexp 13492 ∥ cdvds 15668 gcd cgcd 15906 |
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 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2729 ax-sep 5173 ax-nul 5180 ax-pow 5238 ax-pr 5302 ax-un 7465 ax-cnex 10644 ax-resscn 10645 ax-1cn 10646 ax-icn 10647 ax-addcl 10648 ax-addrcl 10649 ax-mulcl 10650 ax-mulrcl 10651 ax-mulcom 10652 ax-addass 10653 ax-mulass 10654 ax-distr 10655 ax-i2m1 10656 ax-1ne0 10657 ax-1rid 10658 ax-rnegex 10659 ax-rrecex 10660 ax-cnre 10661 ax-pre-lttri 10662 ax-pre-lttrn 10663 ax-pre-ltadd 10664 ax-pre-mulgt0 10665 ax-pre-sup 10666 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3or 1085 df-3an 1086 df-tru 1541 df-fal 1551 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2557 df-eu 2588 df-clab 2736 df-cleq 2750 df-clel 2830 df-nfc 2901 df-ne 2952 df-nel 3056 df-ral 3075 df-rex 3076 df-reu 3077 df-rmo 3078 df-rab 3079 df-v 3411 df-sbc 3699 df-csb 3808 df-dif 3863 df-un 3865 df-in 3867 df-ss 3877 df-pss 3879 df-nul 4228 df-if 4424 df-pw 4499 df-sn 4526 df-pr 4528 df-tp 4530 df-op 4532 df-uni 4802 df-iun 4888 df-br 5037 df-opab 5099 df-mpt 5117 df-tr 5143 df-id 5434 df-eprel 5439 df-po 5447 df-so 5448 df-fr 5487 df-we 5489 df-xp 5534 df-rel 5535 df-cnv 5536 df-co 5537 df-dm 5538 df-rn 5539 df-res 5540 df-ima 5541 df-pred 6131 df-ord 6177 df-on 6178 df-lim 6179 df-suc 6180 df-iota 6299 df-fun 6342 df-fn 6343 df-f 6344 df-f1 6345 df-fo 6346 df-f1o 6347 df-fv 6348 df-riota 7114 df-ov 7159 df-oprab 7160 df-mpo 7161 df-om 7586 df-2nd 7700 df-wrecs 7963 df-recs 8024 df-rdg 8062 df-er 8305 df-en 8541 df-dom 8542 df-sdom 8543 df-sup 8952 df-inf 8953 df-pnf 10728 df-mnf 10729 df-xr 10730 df-ltxr 10731 df-le 10732 df-sub 10923 df-neg 10924 df-div 11349 df-nn 11688 df-2 11750 df-3 11751 df-n0 11948 df-z 12034 df-uz 12296 df-rp 12444 df-fl 13224 df-mod 13300 df-seq 13432 df-exp 13493 df-cj 14519 df-re 14520 df-im 14521 df-sqrt 14655 df-abs 14656 df-dvds 15669 df-gcd 15907 |
This theorem is referenced by: dvdsexpnn0 39883 fltdvdsabdvdsc 40012 fltaccoprm 40014 |
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