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| Mirrors > Home > MPE Home > Th. List > zexpgcd | Structured version Visualization version GIF version | ||
| Description: Exponentiation distributes over GCD. zgcdsq 16659 extended to nonnegative exponents. nn0expgcd 16470 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 16437 | . . . . 5 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ) → ((abs‘𝐴) gcd (abs‘𝐵)) = (𝐴 gcd 𝐵)) | |
| 2 | 1 | 3adant3 1132 | . . . 4 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → ((abs‘𝐴) gcd (abs‘𝐵)) = (𝐴 gcd 𝐵)) |
| 3 | 2 | eqcomd 2737 | . . 3 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → (𝐴 gcd 𝐵) = ((abs‘𝐴) gcd (abs‘𝐵))) |
| 4 | 3 | oveq1d 7356 | . 2 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → ((𝐴 gcd 𝐵)↑𝑁) = (((abs‘𝐴) gcd (abs‘𝐵))↑𝑁)) |
| 5 | nn0abscl 15214 | . . 3 ⊢ (𝐴 ∈ ℤ → (abs‘𝐴) ∈ ℕ0) | |
| 6 | nn0abscl 15214 | . . 3 ⊢ (𝐵 ∈ ℤ → (abs‘𝐵) ∈ ℕ0) | |
| 7 | id 22 | . . 3 ⊢ (𝑁 ∈ ℕ0 → 𝑁 ∈ ℕ0) | |
| 8 | nn0expgcd 16470 | . . 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 1160 | . 2 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → (((abs‘𝐴) gcd (abs‘𝐵))↑𝑁) = (((abs‘𝐴)↑𝑁) gcd ((abs‘𝐵)↑𝑁))) |
| 10 | zcn 12468 | . . . . . . 7 ⊢ (𝐴 ∈ ℤ → 𝐴 ∈ ℂ) | |
| 11 | 10 | 3ad2ant1 1133 | . . . . . 6 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → 𝐴 ∈ ℂ) |
| 12 | simp3 1138 | . . . . . 6 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → 𝑁 ∈ ℕ0) | |
| 13 | 11, 12 | absexpd 15357 | . . . . 5 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → (abs‘(𝐴↑𝑁)) = ((abs‘𝐴)↑𝑁)) |
| 14 | 13 | eqcomd 2737 | . . . 4 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → ((abs‘𝐴)↑𝑁) = (abs‘(𝐴↑𝑁))) |
| 15 | zcn 12468 | . . . . . . 7 ⊢ (𝐵 ∈ ℤ → 𝐵 ∈ ℂ) | |
| 16 | 15 | 3ad2ant2 1134 | . . . . . 6 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → 𝐵 ∈ ℂ) |
| 17 | 16, 12 | absexpd 15357 | . . . . 5 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → (abs‘(𝐵↑𝑁)) = ((abs‘𝐵)↑𝑁)) |
| 18 | 17 | eqcomd 2737 | . . . 4 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → ((abs‘𝐵)↑𝑁) = (abs‘(𝐵↑𝑁))) |
| 19 | 14, 18 | oveq12d 7359 | . . 3 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → (((abs‘𝐴)↑𝑁) gcd ((abs‘𝐵)↑𝑁)) = ((abs‘(𝐴↑𝑁)) gcd (abs‘(𝐵↑𝑁)))) |
| 20 | zexpcl 13978 | . . . . 5 ⊢ ((𝐴 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → (𝐴↑𝑁) ∈ ℤ) | |
| 21 | 20 | 3adant2 1131 | . . . 4 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → (𝐴↑𝑁) ∈ ℤ) |
| 22 | zexpcl 13978 | . . . . 5 ⊢ ((𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → (𝐵↑𝑁) ∈ ℤ) | |
| 23 | 22 | 3adant1 1130 | . . . 4 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → (𝐵↑𝑁) ∈ ℤ) |
| 24 | gcdabs 16437 | . . . 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 2766 | . 2 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → (((abs‘𝐴)↑𝑁) gcd ((abs‘𝐵)↑𝑁)) = ((𝐴↑𝑁) gcd (𝐵↑𝑁))) |
| 27 | 4, 9, 26 | 3eqtrd 2770 | 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 1541 ∈ wcel 2111 ‘cfv 6476 (class class class)co 7341 ℂcc 10999 ℕ0cn0 12376 ℤcz 12463 ↑cexp 13963 abscabs 15136 gcd cgcd 16400 |
| 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 1911 ax-6 1968 ax-7 2009 ax-8 2113 ax-9 2121 ax-10 2144 ax-11 2160 ax-12 2180 ax-ext 2703 ax-sep 5229 ax-nul 5239 ax-pow 5298 ax-pr 5365 ax-un 7663 ax-cnex 11057 ax-resscn 11058 ax-1cn 11059 ax-icn 11060 ax-addcl 11061 ax-addrcl 11062 ax-mulcl 11063 ax-mulrcl 11064 ax-mulcom 11065 ax-addass 11066 ax-mulass 11067 ax-distr 11068 ax-i2m1 11069 ax-1ne0 11070 ax-1rid 11071 ax-rnegex 11072 ax-rrecex 11073 ax-cnre 11074 ax-pre-lttri 11075 ax-pre-lttrn 11076 ax-pre-ltadd 11077 ax-pre-mulgt0 11078 ax-pre-sup 11079 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2535 df-eu 2564 df-clab 2710 df-cleq 2723 df-clel 2806 df-nfc 2881 df-ne 2929 df-nel 3033 df-ral 3048 df-rex 3057 df-rmo 3346 df-reu 3347 df-rab 3396 df-v 3438 df-sbc 3737 df-csb 3846 df-dif 3900 df-un 3902 df-in 3904 df-ss 3914 df-pss 3917 df-nul 4279 df-if 4471 df-pw 4547 df-sn 4572 df-pr 4574 df-op 4578 df-uni 4855 df-iun 4938 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5506 df-eprel 5511 df-po 5519 df-so 5520 df-fr 5564 df-we 5566 df-xp 5617 df-rel 5618 df-cnv 5619 df-co 5620 df-dm 5621 df-rn 5622 df-res 5623 df-ima 5624 df-pred 6243 df-ord 6304 df-on 6305 df-lim 6306 df-suc 6307 df-iota 6432 df-fun 6478 df-fn 6479 df-f 6480 df-f1 6481 df-fo 6482 df-f1o 6483 df-fv 6484 df-riota 7298 df-ov 7344 df-oprab 7345 df-mpo 7346 df-om 7792 df-2nd 7917 df-frecs 8206 df-wrecs 8237 df-recs 8286 df-rdg 8324 df-er 8617 df-en 8865 df-dom 8866 df-sdom 8867 df-sup 9321 df-inf 9322 df-pnf 11143 df-mnf 11144 df-xr 11145 df-ltxr 11146 df-le 11147 df-sub 11341 df-neg 11342 df-div 11770 df-nn 12121 df-2 12183 df-3 12184 df-n0 12377 df-z 12464 df-uz 12728 df-rp 12886 df-fl 13691 df-mod 13769 df-seq 13904 df-exp 13964 df-cj 15001 df-re 15002 df-im 15003 df-sqrt 15137 df-abs 15138 df-dvds 16159 df-gcd 16401 |
| This theorem is referenced by: numdenexp 16666 |
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