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| Mirrors > Home > MPE Home > Th. List > zexpgcd | Structured version Visualization version GIF version | ||
| Description: Exponentiation distributes over gcd. zgcdsq 16935 extended to nonnegative exponents. nn0expgcd 16744 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 16710 | . . . . 5 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ) → ((abs‘𝐴) gcd (abs‘𝐵)) = (𝐴 gcd 𝐵)) | |
| 2 | 1 | 3adant3 1150 | . . . 4 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → ((abs‘𝐴) gcd (abs‘𝐵)) = (𝐴 gcd 𝐵)) |
| 3 | 2 | eqcomd 2766 | . . 3 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → (𝐴 gcd 𝐵) = ((abs‘𝐴) gcd (abs‘𝐵))) |
| 4 | 3 | oveq1d 7436 | . 2 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → ((𝐴 gcd 𝐵)↑𝑁) = (((abs‘𝐴) gcd (abs‘𝐵))↑𝑁)) |
| 5 | nn0abscl 15485 | . . 3 ⊢ (𝐴 ∈ ℤ → (abs‘𝐴) ∈ ℕ0) | |
| 6 | nn0abscl 15485 | . . 3 ⊢ (𝐵 ∈ ℤ → (abs‘𝐵) ∈ ℕ0) | |
| 7 | id 23 | . . 3 ⊢ (𝑁 ∈ ℕ0 → 𝑁 ∈ ℕ0) | |
| 8 | nn0expgcd 16744 | . . 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 1178 | . 2 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → (((abs‘𝐴) gcd (abs‘𝐵))↑𝑁) = (((abs‘𝐴)↑𝑁) gcd ((abs‘𝐵)↑𝑁))) |
| 10 | zcn 12702 | . . . . . . 7 ⊢ (𝐴 ∈ ℤ → 𝐴 ∈ ℂ) | |
| 11 | 10 | 3ad2ant1 1151 | . . . . . 6 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → 𝐴 ∈ ℂ) |
| 12 | simp3 1156 | . . . . . 6 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → 𝑁 ∈ ℕ0) | |
| 13 | 11, 12 | absexpd 15628 | . . . . 5 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → (abs‘(𝐴↑𝑁)) = ((abs‘𝐴)↑𝑁)) |
| 14 | 13 | eqcomd 2766 | . . . 4 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → ((abs‘𝐴)↑𝑁) = (abs‘(𝐴↑𝑁))) |
| 15 | zcn 12702 | . . . . . . 7 ⊢ (𝐵 ∈ ℤ → 𝐵 ∈ ℂ) | |
| 16 | 15 | 3ad2ant2 1152 | . . . . . 6 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → 𝐵 ∈ ℂ) |
| 17 | 16, 12 | absexpd 15628 | . . . . 5 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → (abs‘(𝐵↑𝑁)) = ((abs‘𝐵)↑𝑁)) |
| 18 | 17 | eqcomd 2766 | . . . 4 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → ((abs‘𝐵)↑𝑁) = (abs‘(𝐵↑𝑁))) |
| 19 | 14, 18 | oveq12d 7439 | . . 3 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → (((abs‘𝐴)↑𝑁) gcd ((abs‘𝐵)↑𝑁)) = ((abs‘(𝐴↑𝑁)) gcd (abs‘(𝐵↑𝑁)))) |
| 20 | zexpcl 14223 | . . . . 5 ⊢ ((𝐴 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → (𝐴↑𝑁) ∈ ℤ) | |
| 21 | 20 | 3adant2 1149 | . . . 4 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → (𝐴↑𝑁) ∈ ℤ) |
| 22 | zexpcl 14223 | . . . . 5 ⊢ ((𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → (𝐵↑𝑁) ∈ ℤ) | |
| 23 | 22 | 3adant1 1148 | . . . 4 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → (𝐵↑𝑁) ∈ ℤ) |
| 24 | gcdabs 16710 | . . . 4 ⊢ (((𝐴↑𝑁) ∈ ℤ ∧ (𝐵↑𝑁) ∈ ℤ) → ((abs‘(𝐴↑𝑁)) gcd (abs‘(𝐵↑𝑁))) = ((𝐴↑𝑁) gcd (𝐵↑𝑁))) | |
| 25 | 21, 23, 24 | syl2anc 596 | . . 3 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → ((abs‘(𝐴↑𝑁)) gcd (abs‘(𝐵↑𝑁))) = ((𝐴↑𝑁) gcd (𝐵↑𝑁))) |
| 26 | 19, 25 | eqtrd 2795 | . 2 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → (((abs‘𝐴)↑𝑁) gcd ((abs‘𝐵)↑𝑁)) = ((𝐴↑𝑁) gcd (𝐵↑𝑁))) |
| 27 | 4, 9, 26 | 3eqtrd 2799 | 1 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → ((𝐴 gcd 𝐵)↑𝑁) = ((𝐴↑𝑁) gcd (𝐵↑𝑁))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ w3a 1103 = wceq 1569 ∈ wcel 2144 ‘cfv 6539 (class class class)co 7421 ℂcc 11202 ℕ0cn0 12610 ℤcz 12697 ↑cexp 14208 abscabs 15407 gcd cgcd 16670 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7752 ax-cnex 11260 ax-resscn 11261 ax-1cn 11262 ax-icn 11263 ax-addcl 11264 ax-addrcl 11265 ax-mulcl 11266 ax-mulrcl 11267 ax-mulcom 11268 ax-addass 11269 ax-mulass 11270 ax-distr 11271 ax-i2m1 11272 ax-1ne0 11273 ax-1rid 11274 ax-rnegex 11275 ax-rrecex 11276 ax-cnre 11277 ax-pre-lttri 11278 ax-pre-lttrn 11279 ax-pre-ltadd 11280 ax-pre-mulgt0 11281 ax-pre-sup 11282 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-pss 4014 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-we 5605 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6541 df-fn 6542 df-f 6543 df-f1 6544 df-fo 6545 df-f1o 6546 df-fv 6547 df-riota 7378 df-ov 7424 df-oprab 7425 df-mpo 7426 df-om 7879 df-2nd 8003 df-frecs 8303 df-wrecs 8334 df-recs 8383 df-rdg 8422 df-er 8721 df-en 8978 df-dom 8979 df-sdom 8980 df-sup 9438 df-inf 9439 df-pnf 11349 df-mnf 11350 df-xr 11351 df-ltxr 11352 df-le 11353 df-sub 11547 df-neg 11548 df-div 11978 df-nn 12340 df-2 12409 df-3 12410 df-n0 12611 df-z 12698 df-uz 12970 df-rp 13125 df-fl 13936 df-mod 14014 df-seq 14149 df-exp 14209 df-cj 15272 df-re 15273 df-im 15274 df-sqrt 15408 df-abs 15409 df-dvds 16429 df-gcd 16671 |
| This theorem is used by: numdenexp 16943 |
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