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Mirrors > Home > MPE Home > Th. List > Mathboxes > zexpgcd | Structured version Visualization version GIF version |
Description: Exponentiation distributes over GCD. zgcdsq 16554 extended to nonnegative exponents. nn0expgcd 40595 extended to integer bases by symmetry. (Contributed by Steven Nguyen, 5-Apr-2023.) |
Ref | Expression |
---|---|
zexpgcd | ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → ((𝐴 gcd 𝐵)↑𝑁) = ((𝐴↑𝑁) gcd (𝐵↑𝑁))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | gcdabs 16337 | . . . . 5 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ) → ((abs‘𝐴) gcd (abs‘𝐵)) = (𝐴 gcd 𝐵)) | |
2 | 1 | 3adant3 1131 | . . . 4 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → ((abs‘𝐴) gcd (abs‘𝐵)) = (𝐴 gcd 𝐵)) |
3 | 2 | eqcomd 2742 | . . 3 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → (𝐴 gcd 𝐵) = ((abs‘𝐴) gcd (abs‘𝐵))) |
4 | 3 | oveq1d 7352 | . 2 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → ((𝐴 gcd 𝐵)↑𝑁) = (((abs‘𝐴) gcd (abs‘𝐵))↑𝑁)) |
5 | nn0abscl 15123 | . . 3 ⊢ (𝐴 ∈ ℤ → (abs‘𝐴) ∈ ℕ0) | |
6 | nn0abscl 15123 | . . 3 ⊢ (𝐵 ∈ ℤ → (abs‘𝐵) ∈ ℕ0) | |
7 | id 22 | . . 3 ⊢ (𝑁 ∈ ℕ0 → 𝑁 ∈ ℕ0) | |
8 | nn0expgcd 40595 | . . 3 ⊢ (((abs‘𝐴) ∈ ℕ0 ∧ (abs‘𝐵) ∈ ℕ0 ∧ 𝑁 ∈ ℕ0) → (((abs‘𝐴) gcd (abs‘𝐵))↑𝑁) = (((abs‘𝐴)↑𝑁) gcd ((abs‘𝐵)↑𝑁))) | |
9 | 5, 6, 7, 8 | syl3an 1159 | . 2 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → (((abs‘𝐴) gcd (abs‘𝐵))↑𝑁) = (((abs‘𝐴)↑𝑁) gcd ((abs‘𝐵)↑𝑁))) |
10 | zcn 12425 | . . . . . . 7 ⊢ (𝐴 ∈ ℤ → 𝐴 ∈ ℂ) | |
11 | 10 | 3ad2ant1 1132 | . . . . . 6 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → 𝐴 ∈ ℂ) |
12 | simp3 1137 | . . . . . 6 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → 𝑁 ∈ ℕ0) | |
13 | 11, 12 | absexpd 15263 | . . . . 5 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → (abs‘(𝐴↑𝑁)) = ((abs‘𝐴)↑𝑁)) |
14 | 13 | eqcomd 2742 | . . . 4 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → ((abs‘𝐴)↑𝑁) = (abs‘(𝐴↑𝑁))) |
15 | zcn 12425 | . . . . . . 7 ⊢ (𝐵 ∈ ℤ → 𝐵 ∈ ℂ) | |
16 | 15 | 3ad2ant2 1133 | . . . . . 6 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → 𝐵 ∈ ℂ) |
17 | 16, 12 | absexpd 15263 | . . . . 5 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → (abs‘(𝐵↑𝑁)) = ((abs‘𝐵)↑𝑁)) |
18 | 17 | eqcomd 2742 | . . . 4 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → ((abs‘𝐵)↑𝑁) = (abs‘(𝐵↑𝑁))) |
19 | 14, 18 | oveq12d 7355 | . . 3 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → (((abs‘𝐴)↑𝑁) gcd ((abs‘𝐵)↑𝑁)) = ((abs‘(𝐴↑𝑁)) gcd (abs‘(𝐵↑𝑁)))) |
20 | zexpcl 13898 | . . . . 5 ⊢ ((𝐴 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → (𝐴↑𝑁) ∈ ℤ) | |
21 | 20 | 3adant2 1130 | . . . 4 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → (𝐴↑𝑁) ∈ ℤ) |
22 | zexpcl 13898 | . . . . 5 ⊢ ((𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → (𝐵↑𝑁) ∈ ℤ) | |
23 | 22 | 3adant1 1129 | . . . 4 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → (𝐵↑𝑁) ∈ ℤ) |
24 | gcdabs 16337 | . . . 4 ⊢ (((𝐴↑𝑁) ∈ ℤ ∧ (𝐵↑𝑁) ∈ ℤ) → ((abs‘(𝐴↑𝑁)) gcd (abs‘(𝐵↑𝑁))) = ((𝐴↑𝑁) gcd (𝐵↑𝑁))) | |
25 | 21, 23, 24 | syl2anc 584 | . . 3 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → ((abs‘(𝐴↑𝑁)) gcd (abs‘(𝐵↑𝑁))) = ((𝐴↑𝑁) gcd (𝐵↑𝑁))) |
26 | 19, 25 | eqtrd 2776 | . 2 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → (((abs‘𝐴)↑𝑁) gcd ((abs‘𝐵)↑𝑁)) = ((𝐴↑𝑁) gcd (𝐵↑𝑁))) |
27 | 4, 9, 26 | 3eqtrd 2780 | 1 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → ((𝐴 gcd 𝐵)↑𝑁) = ((𝐴↑𝑁) gcd (𝐵↑𝑁))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ w3a 1086 = wceq 1540 ∈ wcel 2105 ‘cfv 6479 (class class class)co 7337 ℂcc 10970 ℕ0cn0 12334 ℤcz 12420 ↑cexp 13883 abscabs 15044 gcd cgcd 16300 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1912 ax-6 1970 ax-7 2010 ax-8 2107 ax-9 2115 ax-10 2136 ax-11 2153 ax-12 2170 ax-ext 2707 ax-sep 5243 ax-nul 5250 ax-pow 5308 ax-pr 5372 ax-un 7650 ax-cnex 11028 ax-resscn 11029 ax-1cn 11030 ax-icn 11031 ax-addcl 11032 ax-addrcl 11033 ax-mulcl 11034 ax-mulrcl 11035 ax-mulcom 11036 ax-addass 11037 ax-mulass 11038 ax-distr 11039 ax-i2m1 11040 ax-1ne0 11041 ax-1rid 11042 ax-rnegex 11043 ax-rrecex 11044 ax-cnre 11045 ax-pre-lttri 11046 ax-pre-lttrn 11047 ax-pre-ltadd 11048 ax-pre-mulgt0 11049 ax-pre-sup 11050 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1781 df-nf 1785 df-sb 2067 df-mo 2538 df-eu 2567 df-clab 2714 df-cleq 2728 df-clel 2814 df-nfc 2886 df-ne 2941 df-nel 3047 df-ral 3062 df-rex 3071 df-rmo 3349 df-reu 3350 df-rab 3404 df-v 3443 df-sbc 3728 df-csb 3844 df-dif 3901 df-un 3903 df-in 3905 df-ss 3915 df-pss 3917 df-nul 4270 df-if 4474 df-pw 4549 df-sn 4574 df-pr 4576 df-op 4580 df-uni 4853 df-iun 4943 df-br 5093 df-opab 5155 df-mpt 5176 df-tr 5210 df-id 5518 df-eprel 5524 df-po 5532 df-so 5533 df-fr 5575 df-we 5577 df-xp 5626 df-rel 5627 df-cnv 5628 df-co 5629 df-dm 5630 df-rn 5631 df-res 5632 df-ima 5633 df-pred 6238 df-ord 6305 df-on 6306 df-lim 6307 df-suc 6308 df-iota 6431 df-fun 6481 df-fn 6482 df-f 6483 df-f1 6484 df-fo 6485 df-f1o 6486 df-fv 6487 df-riota 7293 df-ov 7340 df-oprab 7341 df-mpo 7342 df-om 7781 df-2nd 7900 df-frecs 8167 df-wrecs 8198 df-recs 8272 df-rdg 8311 df-er 8569 df-en 8805 df-dom 8806 df-sdom 8807 df-sup 9299 df-inf 9300 df-pnf 11112 df-mnf 11113 df-xr 11114 df-ltxr 11115 df-le 11116 df-sub 11308 df-neg 11309 df-div 11734 df-nn 12075 df-2 12137 df-3 12138 df-n0 12335 df-z 12421 df-uz 12684 df-rp 12832 df-fl 13613 df-mod 13691 df-seq 13823 df-exp 13884 df-cj 14909 df-re 14910 df-im 14911 df-sqrt 15045 df-abs 15046 df-dvds 16063 df-gcd 16301 |
This theorem is referenced by: numdenexp 40597 |
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