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| Mirrors > Home > MPE Home > Th. List > zexpgcd | Structured version Visualization version GIF version | ||
| Description: Exponentiation distributes over GCD. zgcdsq 16844 extended to nonnegative exponents. nn0expgcd 16654 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 16621 | . . . . 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 7428 | . 2 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → ((𝐴 gcd 𝐵)↑𝑁) = (((abs‘𝐴) gcd (abs‘𝐵))↑𝑁)) |
| 5 | nn0abscl 15399 | . . 3 ⊢ (𝐴 ∈ ℤ → (abs‘𝐴) ∈ ℕ0) | |
| 6 | nn0abscl 15399 | . . 3 ⊢ (𝐵 ∈ ℤ → (abs‘𝐵) ∈ ℕ0) | |
| 7 | id 23 | . . 3 ⊢ (𝑁 ∈ ℕ0 → 𝑁 ∈ ℕ0) | |
| 8 | nn0expgcd 16654 | . . 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 12620 | . . . . . . 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 15542 | . . . . 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 12620 | . . . . . . 7 ⊢ (𝐵 ∈ ℤ → 𝐵 ∈ ℂ) | |
| 16 | 15 | 3ad2ant2 1152 | . . . . . 6 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → 𝐵 ∈ ℂ) |
| 17 | 16, 12 | absexpd 15542 | . . . . 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 7431 | . . 3 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → (((abs‘𝐴)↑𝑁) gcd ((abs‘𝐵)↑𝑁)) = ((abs‘(𝐴↑𝑁)) gcd (abs‘(𝐵↑𝑁)))) |
| 20 | zexpcl 14140 | . . . . 5 ⊢ ((𝐴 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → (𝐴↑𝑁) ∈ ℤ) | |
| 21 | 20 | 3adant2 1149 | . . . 4 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → (𝐴↑𝑁) ∈ ℤ) |
| 22 | zexpcl 14140 | . . . . 5 ⊢ ((𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → (𝐵↑𝑁) ∈ ℤ) | |
| 23 | 22 | 3adant1 1148 | . . . 4 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → (𝐵↑𝑁) ∈ ℤ) |
| 24 | gcdabs 16621 | . . . 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 1570 ∈ wcel 2145 ‘cfv 6533 (class class class)co 7413 ℂcc 11122 ℕ0cn0 12528 ℤcz 12615 ↑cexp 14125 abscabs 15321 gcd cgcd 16584 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7736 ax-cnex 11180 ax-resscn 11181 ax-1cn 11182 ax-icn 11183 ax-addcl 11184 ax-addrcl 11185 ax-mulcl 11186 ax-mulrcl 11187 ax-mulcom 11188 ax-addass 11189 ax-mulass 11190 ax-distr 11191 ax-i2m1 11192 ax-1ne0 11193 ax-1rid 11194 ax-rnegex 11195 ax-rrecex 11196 ax-cnre 11197 ax-pre-lttri 11198 ax-pre-lttrn 11199 ax-pre-ltadd 11200 ax-pre-mulgt0 11201 ax-pre-sup 11202 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 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 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6299 df-ord 6360 df-on 6361 df-lim 6362 df-suc 6363 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-riota 7370 df-ov 7416 df-oprab 7417 df-mpo 7418 df-om 7863 df-2nd 7987 df-frecs 8280 df-wrecs 8311 df-recs 8360 df-rdg 8399 df-er 8696 df-en 8953 df-dom 8954 df-sdom 8955 df-sup 9412 df-inf 9413 df-pnf 11269 df-mnf 11270 df-xr 11271 df-ltxr 11272 df-le 11273 df-sub 11467 df-neg 11468 df-div 11896 df-nn 12258 df-2 12327 df-3 12328 df-n0 12529 df-z 12616 df-uz 12888 df-rp 13043 df-fl 13853 df-mod 13931 df-seq 14066 df-exp 14126 df-cj 15186 df-re 15187 df-im 15188 df-sqrt 15322 df-abs 15323 df-dvds 16343 df-gcd 16585 |
| This theorem is used by: numdenexp 16851 |
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