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Theorem nn0rppwr 16488
Description: If 𝐴 and 𝐵 are relatively prime, then so are 𝐴𝑁 and 𝐵𝑁. rppwr 16487 extended to nonnegative integers. Less general than rpexp12i 16651. (Contributed by Steven Nguyen, 4-Apr-2023.)
Assertion
Ref Expression
nn0rppwr ((𝐴 ∈ ℕ0𝐵 ∈ ℕ0𝑁 ∈ ℕ0) → ((𝐴 gcd 𝐵) = 1 → ((𝐴𝑁) gcd (𝐵𝑁)) = 1))

Proof of Theorem nn0rppwr
StepHypRef Expression
1 elnn0 12403 . 2 (𝑁 ∈ ℕ0 ↔ (𝑁 ∈ ℕ ∨ 𝑁 = 0))
2 elnn0 12403 . . . . 5 (𝐴 ∈ ℕ0 ↔ (𝐴 ∈ ℕ ∨ 𝐴 = 0))
3 elnn0 12403 . . . . 5 (𝐵 ∈ ℕ0 ↔ (𝐵 ∈ ℕ ∨ 𝐵 = 0))
4 rppwr 16487 . . . . . . 7 ((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ 𝑁 ∈ ℕ) → ((𝐴 gcd 𝐵) = 1 → ((𝐴𝑁) gcd (𝐵𝑁)) = 1))
543expia 1121 . . . . . 6 ((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ) → (𝑁 ∈ ℕ → ((𝐴 gcd 𝐵) = 1 → ((𝐴𝑁) gcd (𝐵𝑁)) = 1)))
6 simp1l 1198 . . . . . . . . . . 11 (((𝐴 = 0 ∧ 𝐵 ∈ ℕ) ∧ 𝑁 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) → 𝐴 = 0)
76oveq1d 7373 . . . . . . . . . 10 (((𝐴 = 0 ∧ 𝐵 ∈ ℕ) ∧ 𝑁 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) → (𝐴𝑁) = (0↑𝑁))
8 0exp 14020 . . . . . . . . . . 11 (𝑁 ∈ ℕ → (0↑𝑁) = 0)
983ad2ant2 1134 . . . . . . . . . 10 (((𝐴 = 0 ∧ 𝐵 ∈ ℕ) ∧ 𝑁 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) → (0↑𝑁) = 0)
107, 9eqtrd 2771 . . . . . . . . 9 (((𝐴 = 0 ∧ 𝐵 ∈ ℕ) ∧ 𝑁 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) → (𝐴𝑁) = 0)
116oveq1d 7373 . . . . . . . . . . . 12 (((𝐴 = 0 ∧ 𝐵 ∈ ℕ) ∧ 𝑁 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) → (𝐴 gcd 𝐵) = (0 gcd 𝐵))
12 simp3 1138 . . . . . . . . . . . 12 (((𝐴 = 0 ∧ 𝐵 ∈ ℕ) ∧ 𝑁 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) → (𝐴 gcd 𝐵) = 1)
13 simp1r 1199 . . . . . . . . . . . . 13 (((𝐴 = 0 ∧ 𝐵 ∈ ℕ) ∧ 𝑁 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) → 𝐵 ∈ ℕ)
14 nnz 12509 . . . . . . . . . . . . . . 15 (𝐵 ∈ ℕ → 𝐵 ∈ ℤ)
15 gcd0id 16446 . . . . . . . . . . . . . . 15 (𝐵 ∈ ℤ → (0 gcd 𝐵) = (abs‘𝐵))
1614, 15syl 17 . . . . . . . . . . . . . 14 (𝐵 ∈ ℕ → (0 gcd 𝐵) = (abs‘𝐵))
17 nnre 12152 . . . . . . . . . . . . . . 15 (𝐵 ∈ ℕ → 𝐵 ∈ ℝ)
18 0red 11135 . . . . . . . . . . . . . . . 16 (𝐵 ∈ ℕ → 0 ∈ ℝ)
19 nngt0 12176 . . . . . . . . . . . . . . . 16 (𝐵 ∈ ℕ → 0 < 𝐵)
2018, 17, 19ltled 11281 . . . . . . . . . . . . . . 15 (𝐵 ∈ ℕ → 0 ≤ 𝐵)
2117, 20absidd 15346 . . . . . . . . . . . . . 14 (𝐵 ∈ ℕ → (abs‘𝐵) = 𝐵)
2216, 21eqtrd 2771 . . . . . . . . . . . . 13 (𝐵 ∈ ℕ → (0 gcd 𝐵) = 𝐵)
2313, 22syl 17 . . . . . . . . . . . 12 (((𝐴 = 0 ∧ 𝐵 ∈ ℕ) ∧ 𝑁 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) → (0 gcd 𝐵) = 𝐵)
2411, 12, 233eqtr3rd 2780 . . . . . . . . . . 11 (((𝐴 = 0 ∧ 𝐵 ∈ ℕ) ∧ 𝑁 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) → 𝐵 = 1)
2524oveq1d 7373 . . . . . . . . . 10 (((𝐴 = 0 ∧ 𝐵 ∈ ℕ) ∧ 𝑁 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) → (𝐵𝑁) = (1↑𝑁))
26 nnz 12509 . . . . . . . . . . . 12 (𝑁 ∈ ℕ → 𝑁 ∈ ℤ)
27263ad2ant2 1134 . . . . . . . . . . 11 (((𝐴 = 0 ∧ 𝐵 ∈ ℕ) ∧ 𝑁 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) → 𝑁 ∈ ℤ)
28 1exp 14014 . . . . . . . . . . 11 (𝑁 ∈ ℤ → (1↑𝑁) = 1)
2927, 28syl 17 . . . . . . . . . 10 (((𝐴 = 0 ∧ 𝐵 ∈ ℕ) ∧ 𝑁 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) → (1↑𝑁) = 1)
3025, 29eqtrd 2771 . . . . . . . . 9 (((𝐴 = 0 ∧ 𝐵 ∈ ℕ) ∧ 𝑁 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) → (𝐵𝑁) = 1)
3110, 30oveq12d 7376 . . . . . . . 8 (((𝐴 = 0 ∧ 𝐵 ∈ ℕ) ∧ 𝑁 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) → ((𝐴𝑁) gcd (𝐵𝑁)) = (0 gcd 1))
32 1z 12521 . . . . . . . . . 10 1 ∈ ℤ
33 gcd0id 16446 . . . . . . . . . 10 (1 ∈ ℤ → (0 gcd 1) = (abs‘1))
3432, 33ax-mp 5 . . . . . . . . 9 (0 gcd 1) = (abs‘1)
35 abs1 15220 . . . . . . . . 9 (abs‘1) = 1
3634, 35eqtri 2759 . . . . . . . 8 (0 gcd 1) = 1
3731, 36eqtrdi 2787 . . . . . . 7 (((𝐴 = 0 ∧ 𝐵 ∈ ℕ) ∧ 𝑁 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) → ((𝐴𝑁) gcd (𝐵𝑁)) = 1)
38373exp 1119 . . . . . 6 ((𝐴 = 0 ∧ 𝐵 ∈ ℕ) → (𝑁 ∈ ℕ → ((𝐴 gcd 𝐵) = 1 → ((𝐴𝑁) gcd (𝐵𝑁)) = 1)))
39 simp1r 1199 . . . . . . . . . . . . 13 (((𝐴 ∈ ℕ ∧ 𝐵 = 0) ∧ 𝑁 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) → 𝐵 = 0)
4039oveq2d 7374 . . . . . . . . . . . 12 (((𝐴 ∈ ℕ ∧ 𝐵 = 0) ∧ 𝑁 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) → (𝐴 gcd 𝐵) = (𝐴 gcd 0))
41 simp3 1138 . . . . . . . . . . . 12 (((𝐴 ∈ ℕ ∧ 𝐵 = 0) ∧ 𝑁 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) → (𝐴 gcd 𝐵) = 1)
42 simp1l 1198 . . . . . . . . . . . . . 14 (((𝐴 ∈ ℕ ∧ 𝐵 = 0) ∧ 𝑁 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) → 𝐴 ∈ ℕ)
4342nnnn0d 12462 . . . . . . . . . . . . 13 (((𝐴 ∈ ℕ ∧ 𝐵 = 0) ∧ 𝑁 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) → 𝐴 ∈ ℕ0)
44 nn0gcdid0 16448 . . . . . . . . . . . . 13 (𝐴 ∈ ℕ0 → (𝐴 gcd 0) = 𝐴)
4543, 44syl 17 . . . . . . . . . . . 12 (((𝐴 ∈ ℕ ∧ 𝐵 = 0) ∧ 𝑁 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) → (𝐴 gcd 0) = 𝐴)
4640, 41, 453eqtr3rd 2780 . . . . . . . . . . 11 (((𝐴 ∈ ℕ ∧ 𝐵 = 0) ∧ 𝑁 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) → 𝐴 = 1)
4746oveq1d 7373 . . . . . . . . . 10 (((𝐴 ∈ ℕ ∧ 𝐵 = 0) ∧ 𝑁 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) → (𝐴𝑁) = (1↑𝑁))
48263ad2ant2 1134 . . . . . . . . . . 11 (((𝐴 ∈ ℕ ∧ 𝐵 = 0) ∧ 𝑁 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) → 𝑁 ∈ ℤ)
4948, 28syl 17 . . . . . . . . . 10 (((𝐴 ∈ ℕ ∧ 𝐵 = 0) ∧ 𝑁 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) → (1↑𝑁) = 1)
5047, 49eqtrd 2771 . . . . . . . . 9 (((𝐴 ∈ ℕ ∧ 𝐵 = 0) ∧ 𝑁 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) → (𝐴𝑁) = 1)
5139oveq1d 7373 . . . . . . . . . 10 (((𝐴 ∈ ℕ ∧ 𝐵 = 0) ∧ 𝑁 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) → (𝐵𝑁) = (0↑𝑁))
5283ad2ant2 1134 . . . . . . . . . 10 (((𝐴 ∈ ℕ ∧ 𝐵 = 0) ∧ 𝑁 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) → (0↑𝑁) = 0)
5351, 52eqtrd 2771 . . . . . . . . 9 (((𝐴 ∈ ℕ ∧ 𝐵 = 0) ∧ 𝑁 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) → (𝐵𝑁) = 0)
5450, 53oveq12d 7376 . . . . . . . 8 (((𝐴 ∈ ℕ ∧ 𝐵 = 0) ∧ 𝑁 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) → ((𝐴𝑁) gcd (𝐵𝑁)) = (1 gcd 0))
55 1nn0 12417 . . . . . . . . 9 1 ∈ ℕ0
56 nn0gcdid0 16448 . . . . . . . . 9 (1 ∈ ℕ0 → (1 gcd 0) = 1)
5755, 56mp1i 13 . . . . . . . 8 (((𝐴 ∈ ℕ ∧ 𝐵 = 0) ∧ 𝑁 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) → (1 gcd 0) = 1)
5854, 57eqtrd 2771 . . . . . . 7 (((𝐴 ∈ ℕ ∧ 𝐵 = 0) ∧ 𝑁 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) → ((𝐴𝑁) gcd (𝐵𝑁)) = 1)
59583exp 1119 . . . . . 6 ((𝐴 ∈ ℕ ∧ 𝐵 = 0) → (𝑁 ∈ ℕ → ((𝐴 gcd 𝐵) = 1 → ((𝐴𝑁) gcd (𝐵𝑁)) = 1)))
60 oveq12 7367 . . . . . . . . . 10 ((𝐴 = 0 ∧ 𝐵 = 0) → (𝐴 gcd 𝐵) = (0 gcd 0))
61 gcd0val 16424 . . . . . . . . . . . 12 (0 gcd 0) = 0
62 0ne1 12216 . . . . . . . . . . . 12 0 ≠ 1
6361, 62eqnetri 3002 . . . . . . . . . . 11 (0 gcd 0) ≠ 1
6463a1i 11 . . . . . . . . . 10 ((𝐴 = 0 ∧ 𝐵 = 0) → (0 gcd 0) ≠ 1)
6560, 64eqnetrd 2999 . . . . . . . . 9 ((𝐴 = 0 ∧ 𝐵 = 0) → (𝐴 gcd 𝐵) ≠ 1)
6665neneqd 2937 . . . . . . . 8 ((𝐴 = 0 ∧ 𝐵 = 0) → ¬ (𝐴 gcd 𝐵) = 1)
6766pm2.21d 121 . . . . . . 7 ((𝐴 = 0 ∧ 𝐵 = 0) → ((𝐴 gcd 𝐵) = 1 → ((𝐴𝑁) gcd (𝐵𝑁)) = 1))
6867a1d 25 . . . . . 6 ((𝐴 = 0 ∧ 𝐵 = 0) → (𝑁 ∈ ℕ → ((𝐴 gcd 𝐵) = 1 → ((𝐴𝑁) gcd (𝐵𝑁)) = 1)))
695, 38, 59, 68ccase 1037 . . . . 5 (((𝐴 ∈ ℕ ∨ 𝐴 = 0) ∧ (𝐵 ∈ ℕ ∨ 𝐵 = 0)) → (𝑁 ∈ ℕ → ((𝐴 gcd 𝐵) = 1 → ((𝐴𝑁) gcd (𝐵𝑁)) = 1)))
702, 3, 69syl2anb 598 . . . 4 ((𝐴 ∈ ℕ0𝐵 ∈ ℕ0) → (𝑁 ∈ ℕ → ((𝐴 gcd 𝐵) = 1 → ((𝐴𝑁) gcd (𝐵𝑁)) = 1)))
71 oveq2 7366 . . . . . . . . . 10 (𝑁 = 0 → (𝐴𝑁) = (𝐴↑0))
72713ad2ant3 1135 . . . . . . . . 9 ((𝐴 ∈ ℕ0𝐵 ∈ ℕ0𝑁 = 0) → (𝐴𝑁) = (𝐴↑0))
73 nn0cn 12411 . . . . . . . . . . 11 (𝐴 ∈ ℕ0𝐴 ∈ ℂ)
74733ad2ant1 1133 . . . . . . . . . 10 ((𝐴 ∈ ℕ0𝐵 ∈ ℕ0𝑁 = 0) → 𝐴 ∈ ℂ)
7574exp0d 14063 . . . . . . . . 9 ((𝐴 ∈ ℕ0𝐵 ∈ ℕ0𝑁 = 0) → (𝐴↑0) = 1)
7672, 75eqtrd 2771 . . . . . . . 8 ((𝐴 ∈ ℕ0𝐵 ∈ ℕ0𝑁 = 0) → (𝐴𝑁) = 1)
77 oveq2 7366 . . . . . . . . . 10 (𝑁 = 0 → (𝐵𝑁) = (𝐵↑0))
78773ad2ant3 1135 . . . . . . . . 9 ((𝐴 ∈ ℕ0𝐵 ∈ ℕ0𝑁 = 0) → (𝐵𝑁) = (𝐵↑0))
79 nn0cn 12411 . . . . . . . . . . 11 (𝐵 ∈ ℕ0𝐵 ∈ ℂ)
80793ad2ant2 1134 . . . . . . . . . 10 ((𝐴 ∈ ℕ0𝐵 ∈ ℕ0𝑁 = 0) → 𝐵 ∈ ℂ)
8180exp0d 14063 . . . . . . . . 9 ((𝐴 ∈ ℕ0𝐵 ∈ ℕ0𝑁 = 0) → (𝐵↑0) = 1)
8278, 81eqtrd 2771 . . . . . . . 8 ((𝐴 ∈ ℕ0𝐵 ∈ ℕ0𝑁 = 0) → (𝐵𝑁) = 1)
8376, 82oveq12d 7376 . . . . . . 7 ((𝐴 ∈ ℕ0𝐵 ∈ ℕ0𝑁 = 0) → ((𝐴𝑁) gcd (𝐵𝑁)) = (1 gcd 1))
84 1gcd 16460 . . . . . . . 8 (1 ∈ ℤ → (1 gcd 1) = 1)
8532, 84mp1i 13 . . . . . . 7 ((𝐴 ∈ ℕ0𝐵 ∈ ℕ0𝑁 = 0) → (1 gcd 1) = 1)
8683, 85eqtrd 2771 . . . . . 6 ((𝐴 ∈ ℕ0𝐵 ∈ ℕ0𝑁 = 0) → ((𝐴𝑁) gcd (𝐵𝑁)) = 1)
87863expia 1121 . . . . 5 ((𝐴 ∈ ℕ0𝐵 ∈ ℕ0) → (𝑁 = 0 → ((𝐴𝑁) gcd (𝐵𝑁)) = 1))
8887a1dd 50 . . . 4 ((𝐴 ∈ ℕ0𝐵 ∈ ℕ0) → (𝑁 = 0 → ((𝐴 gcd 𝐵) = 1 → ((𝐴𝑁) gcd (𝐵𝑁)) = 1)))
8970, 88jaod 859 . . 3 ((𝐴 ∈ ℕ0𝐵 ∈ ℕ0) → ((𝑁 ∈ ℕ ∨ 𝑁 = 0) → ((𝐴 gcd 𝐵) = 1 → ((𝐴𝑁) gcd (𝐵𝑁)) = 1)))
90893impia 1117 . 2 ((𝐴 ∈ ℕ0𝐵 ∈ ℕ0 ∧ (𝑁 ∈ ℕ ∨ 𝑁 = 0)) → ((𝐴 gcd 𝐵) = 1 → ((𝐴𝑁) gcd (𝐵𝑁)) = 1))
911, 90syl3an3b 1407 1 ((𝐴 ∈ ℕ0𝐵 ∈ ℕ0𝑁 ∈ ℕ0) → ((𝐴 gcd 𝐵) = 1 → ((𝐴𝑁) gcd (𝐵𝑁)) = 1))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 395  wo 847  w3a 1086   = wceq 1541  wcel 2113  wne 2932  cfv 6492  (class class class)co 7358  cc 11024  0cc0 11026  1c1 11027  cn 12145  0cn0 12401  cz 12488  cexp 13984  abscabs 15157   gcd cgcd 16421
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 2115  ax-9 2123  ax-10 2146  ax-11 2162  ax-12 2184  ax-ext 2708  ax-sep 5241  ax-nul 5251  ax-pow 5310  ax-pr 5377  ax-un 7680  ax-cnex 11082  ax-resscn 11083  ax-1cn 11084  ax-icn 11085  ax-addcl 11086  ax-addrcl 11087  ax-mulcl 11088  ax-mulrcl 11089  ax-mulcom 11090  ax-addass 11091  ax-mulass 11092  ax-distr 11093  ax-i2m1 11094  ax-1ne0 11095  ax-1rid 11096  ax-rnegex 11097  ax-rrecex 11098  ax-cnre 11099  ax-pre-lttri 11100  ax-pre-lttrn 11101  ax-pre-ltadd 11102  ax-pre-mulgt0 11103  ax-pre-sup 11104
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 2539  df-eu 2569  df-clab 2715  df-cleq 2728  df-clel 2811  df-nfc 2885  df-ne 2933  df-nel 3037  df-ral 3052  df-rex 3061  df-rmo 3350  df-reu 3351  df-rab 3400  df-v 3442  df-sbc 3741  df-csb 3850  df-dif 3904  df-un 3906  df-in 3908  df-ss 3918  df-pss 3921  df-nul 4286  df-if 4480  df-pw 4556  df-sn 4581  df-pr 4583  df-op 4587  df-uni 4864  df-iun 4948  df-br 5099  df-opab 5161  df-mpt 5180  df-tr 5206  df-id 5519  df-eprel 5524  df-po 5532  df-so 5533  df-fr 5577  df-we 5579  df-xp 5630  df-rel 5631  df-cnv 5632  df-co 5633  df-dm 5634  df-rn 5635  df-res 5636  df-ima 5637  df-pred 6259  df-ord 6320  df-on 6321  df-lim 6322  df-suc 6323  df-iota 6448  df-fun 6494  df-fn 6495  df-f 6496  df-f1 6497  df-fo 6498  df-f1o 6499  df-fv 6500  df-riota 7315  df-ov 7361  df-oprab 7362  df-mpo 7363  df-om 7809  df-2nd 7934  df-frecs 8223  df-wrecs 8254  df-recs 8303  df-rdg 8341  df-er 8635  df-en 8884  df-dom 8885  df-sdom 8886  df-sup 9345  df-inf 9346  df-pnf 11168  df-mnf 11169  df-xr 11170  df-ltxr 11171  df-le 11172  df-sub 11366  df-neg 11367  df-div 11795  df-nn 12146  df-2 12208  df-3 12209  df-n0 12402  df-z 12489  df-uz 12752  df-rp 12906  df-fl 13712  df-mod 13790  df-seq 13925  df-exp 13985  df-cj 15022  df-re 15023  df-im 15024  df-sqrt 15158  df-abs 15159  df-dvds 16180  df-gcd 16422
This theorem is referenced by:  expgcd  16490
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