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Mirrors > Home > MPE Home > Th. List > Mathboxes > numdenexp | Structured version Visualization version GIF version |
Description: numdensq 16386 extended to nonnegative exponents. (Contributed by Steven Nguyen, 5-Apr-2023.) |
Ref | Expression |
---|---|
numdenexp | ⊢ ((𝐴 ∈ ℚ ∧ 𝑁 ∈ ℕ0) → ((numer‘(𝐴↑𝑁)) = ((numer‘𝐴)↑𝑁) ∧ (denom‘(𝐴↑𝑁)) = ((denom‘𝐴)↑𝑁))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | qnumdencoprm 16377 | . . . . 5 ⊢ (𝐴 ∈ ℚ → ((numer‘𝐴) gcd (denom‘𝐴)) = 1) | |
2 | 1 | adantr 480 | . . . 4 ⊢ ((𝐴 ∈ ℚ ∧ 𝑁 ∈ ℕ0) → ((numer‘𝐴) gcd (denom‘𝐴)) = 1) |
3 | 2 | oveq1d 7270 | . . 3 ⊢ ((𝐴 ∈ ℚ ∧ 𝑁 ∈ ℕ0) → (((numer‘𝐴) gcd (denom‘𝐴))↑𝑁) = (1↑𝑁)) |
4 | qnumcl 16372 | . . . . 5 ⊢ (𝐴 ∈ ℚ → (numer‘𝐴) ∈ ℤ) | |
5 | 4 | adantr 480 | . . . 4 ⊢ ((𝐴 ∈ ℚ ∧ 𝑁 ∈ ℕ0) → (numer‘𝐴) ∈ ℤ) |
6 | qdencl 16373 | . . . . . 6 ⊢ (𝐴 ∈ ℚ → (denom‘𝐴) ∈ ℕ) | |
7 | 6 | adantr 480 | . . . . 5 ⊢ ((𝐴 ∈ ℚ ∧ 𝑁 ∈ ℕ0) → (denom‘𝐴) ∈ ℕ) |
8 | 7 | nnzd 12354 | . . . 4 ⊢ ((𝐴 ∈ ℚ ∧ 𝑁 ∈ ℕ0) → (denom‘𝐴) ∈ ℤ) |
9 | simpr 484 | . . . 4 ⊢ ((𝐴 ∈ ℚ ∧ 𝑁 ∈ ℕ0) → 𝑁 ∈ ℕ0) | |
10 | zexpgcd 40257 | . . . 4 ⊢ (((numer‘𝐴) ∈ ℤ ∧ (denom‘𝐴) ∈ ℤ ∧ 𝑁 ∈ ℕ0) → (((numer‘𝐴) gcd (denom‘𝐴))↑𝑁) = (((numer‘𝐴)↑𝑁) gcd ((denom‘𝐴)↑𝑁))) | |
11 | 5, 8, 9, 10 | syl3anc 1369 | . . 3 ⊢ ((𝐴 ∈ ℚ ∧ 𝑁 ∈ ℕ0) → (((numer‘𝐴) gcd (denom‘𝐴))↑𝑁) = (((numer‘𝐴)↑𝑁) gcd ((denom‘𝐴)↑𝑁))) |
12 | nn0z 12273 | . . . 4 ⊢ (𝑁 ∈ ℕ0 → 𝑁 ∈ ℤ) | |
13 | 1exp 13740 | . . . 4 ⊢ (𝑁 ∈ ℤ → (1↑𝑁) = 1) | |
14 | 9, 12, 13 | 3syl 18 | . . 3 ⊢ ((𝐴 ∈ ℚ ∧ 𝑁 ∈ ℕ0) → (1↑𝑁) = 1) |
15 | 3, 11, 14 | 3eqtr3d 2786 | . 2 ⊢ ((𝐴 ∈ ℚ ∧ 𝑁 ∈ ℕ0) → (((numer‘𝐴)↑𝑁) gcd ((denom‘𝐴)↑𝑁)) = 1) |
16 | qeqnumdivden 16378 | . . . . 5 ⊢ (𝐴 ∈ ℚ → 𝐴 = ((numer‘𝐴) / (denom‘𝐴))) | |
17 | 16 | adantr 480 | . . . 4 ⊢ ((𝐴 ∈ ℚ ∧ 𝑁 ∈ ℕ0) → 𝐴 = ((numer‘𝐴) / (denom‘𝐴))) |
18 | 17 | oveq1d 7270 | . . 3 ⊢ ((𝐴 ∈ ℚ ∧ 𝑁 ∈ ℕ0) → (𝐴↑𝑁) = (((numer‘𝐴) / (denom‘𝐴))↑𝑁)) |
19 | 5 | zcnd 12356 | . . . 4 ⊢ ((𝐴 ∈ ℚ ∧ 𝑁 ∈ ℕ0) → (numer‘𝐴) ∈ ℂ) |
20 | 7 | nncnd 11919 | . . . 4 ⊢ ((𝐴 ∈ ℚ ∧ 𝑁 ∈ ℕ0) → (denom‘𝐴) ∈ ℂ) |
21 | 7 | nnne0d 11953 | . . . 4 ⊢ ((𝐴 ∈ ℚ ∧ 𝑁 ∈ ℕ0) → (denom‘𝐴) ≠ 0) |
22 | 19, 20, 21, 9 | expdivd 13806 | . . 3 ⊢ ((𝐴 ∈ ℚ ∧ 𝑁 ∈ ℕ0) → (((numer‘𝐴) / (denom‘𝐴))↑𝑁) = (((numer‘𝐴)↑𝑁) / ((denom‘𝐴)↑𝑁))) |
23 | 18, 22 | eqtrd 2778 | . 2 ⊢ ((𝐴 ∈ ℚ ∧ 𝑁 ∈ ℕ0) → (𝐴↑𝑁) = (((numer‘𝐴)↑𝑁) / ((denom‘𝐴)↑𝑁))) |
24 | qexpcl 13726 | . . 3 ⊢ ((𝐴 ∈ ℚ ∧ 𝑁 ∈ ℕ0) → (𝐴↑𝑁) ∈ ℚ) | |
25 | zexpcl 13725 | . . . 4 ⊢ (((numer‘𝐴) ∈ ℤ ∧ 𝑁 ∈ ℕ0) → ((numer‘𝐴)↑𝑁) ∈ ℤ) | |
26 | 4, 25 | sylan 579 | . . 3 ⊢ ((𝐴 ∈ ℚ ∧ 𝑁 ∈ ℕ0) → ((numer‘𝐴)↑𝑁) ∈ ℤ) |
27 | 7, 9 | nnexpcld 13888 | . . 3 ⊢ ((𝐴 ∈ ℚ ∧ 𝑁 ∈ ℕ0) → ((denom‘𝐴)↑𝑁) ∈ ℕ) |
28 | qnumdenbi 16376 | . . 3 ⊢ (((𝐴↑𝑁) ∈ ℚ ∧ ((numer‘𝐴)↑𝑁) ∈ ℤ ∧ ((denom‘𝐴)↑𝑁) ∈ ℕ) → (((((numer‘𝐴)↑𝑁) gcd ((denom‘𝐴)↑𝑁)) = 1 ∧ (𝐴↑𝑁) = (((numer‘𝐴)↑𝑁) / ((denom‘𝐴)↑𝑁))) ↔ ((numer‘(𝐴↑𝑁)) = ((numer‘𝐴)↑𝑁) ∧ (denom‘(𝐴↑𝑁)) = ((denom‘𝐴)↑𝑁)))) | |
29 | 24, 26, 27, 28 | syl3anc 1369 | . 2 ⊢ ((𝐴 ∈ ℚ ∧ 𝑁 ∈ ℕ0) → (((((numer‘𝐴)↑𝑁) gcd ((denom‘𝐴)↑𝑁)) = 1 ∧ (𝐴↑𝑁) = (((numer‘𝐴)↑𝑁) / ((denom‘𝐴)↑𝑁))) ↔ ((numer‘(𝐴↑𝑁)) = ((numer‘𝐴)↑𝑁) ∧ (denom‘(𝐴↑𝑁)) = ((denom‘𝐴)↑𝑁)))) |
30 | 15, 23, 29 | mpbi2and 708 | 1 ⊢ ((𝐴 ∈ ℚ ∧ 𝑁 ∈ ℕ0) → ((numer‘(𝐴↑𝑁)) = ((numer‘𝐴)↑𝑁) ∧ (denom‘(𝐴↑𝑁)) = ((denom‘𝐴)↑𝑁))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 395 = wceq 1539 ∈ wcel 2108 ‘cfv 6418 (class class class)co 7255 1c1 10803 / cdiv 11562 ℕcn 11903 ℕ0cn0 12163 ℤcz 12249 ℚcq 12617 ↑cexp 13710 gcd cgcd 16129 numercnumer 16365 denomcdenom 16366 |
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-cnex 10858 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 ax-pre-sup 10880 |
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-pss 3902 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-tp 4563 df-op 4565 df-uni 4837 df-iun 4923 df-br 5071 df-opab 5133 df-mpt 5154 df-tr 5188 df-id 5480 df-eprel 5486 df-po 5494 df-so 5495 df-fr 5535 df-we 5537 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-pred 6191 df-ord 6254 df-on 6255 df-lim 6256 df-suc 6257 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-om 7688 df-1st 7804 df-2nd 7805 df-frecs 8068 df-wrecs 8099 df-recs 8173 df-rdg 8212 df-er 8456 df-en 8692 df-dom 8693 df-sdom 8694 df-sup 9131 df-inf 9132 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-nn 11904 df-2 11966 df-3 11967 df-n0 12164 df-z 12250 df-uz 12512 df-q 12618 df-rp 12660 df-fl 13440 df-mod 13518 df-seq 13650 df-exp 13711 df-cj 14738 df-re 14739 df-im 14740 df-sqrt 14874 df-abs 14875 df-dvds 15892 df-gcd 16130 df-numer 16367 df-denom 16368 |
This theorem is referenced by: numexp 40259 denexp 40260 |
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