prmdvdsexp - Metamath Proof Explorer

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Theorem prmdvdsexp 16659

Description: A prime divides a positive power of an integer iff it divides the integer. (Contributed by Mario Carneiro, 24-Feb-2014.) (Revised by Mario Carneiro, 17-Jul-2014.)

**Assertion**
Ref	Expression
prmdvdsexp	⊢ ((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ 𝑁 ∈ ℕ) → (𝑃 ∥ (𝐴↑𝑁) ↔ 𝑃 ∥ 𝐴))

Proof of Theorem prmdvdsexp Dummy variables 𝑚 𝑘 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		oveq2 7413	. . . . . . 7 ⊢ (𝑚 = 1 → (𝐴↑𝑚) = (𝐴↑1))
2	1	breq2d 5153	. . . . . 6 ⊢ (𝑚 = 1 → (𝑃 ∥ (𝐴↑𝑚) ↔ 𝑃 ∥ (𝐴↑1)))
3	2	bibi1d 343	. . . . 5 ⊢ (𝑚 = 1 → ((𝑃 ∥ (𝐴↑𝑚) ↔ 𝑃 ∥ 𝐴) ↔ (𝑃 ∥ (𝐴↑1) ↔ 𝑃 ∥ 𝐴)))
4	3	imbi2d 340	. . . 4 ⊢ (𝑚 = 1 → (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ) → (𝑃 ∥ (𝐴↑𝑚) ↔ 𝑃 ∥ 𝐴)) ↔ ((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ) → (𝑃 ∥ (𝐴↑1) ↔ 𝑃 ∥ 𝐴))))
5		oveq2 7413	. . . . . . 7 ⊢ (𝑚 = 𝑘 → (𝐴↑𝑚) = (𝐴↑𝑘))
6	5	breq2d 5153	. . . . . 6 ⊢ (𝑚 = 𝑘 → (𝑃 ∥ (𝐴↑𝑚) ↔ 𝑃 ∥ (𝐴↑𝑘)))
7	6	bibi1d 343	. . . . 5 ⊢ (𝑚 = 𝑘 → ((𝑃 ∥ (𝐴↑𝑚) ↔ 𝑃 ∥ 𝐴) ↔ (𝑃 ∥ (𝐴↑𝑘) ↔ 𝑃 ∥ 𝐴)))
8	7	imbi2d 340	. . . 4 ⊢ (𝑚 = 𝑘 → (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ) → (𝑃 ∥ (𝐴↑𝑚) ↔ 𝑃 ∥ 𝐴)) ↔ ((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ) → (𝑃 ∥ (𝐴↑𝑘) ↔ 𝑃 ∥ 𝐴))))
9		oveq2 7413	. . . . . . 7 ⊢ (𝑚 = (𝑘 + 1) → (𝐴↑𝑚) = (𝐴↑(𝑘 + 1)))
10	9	breq2d 5153	. . . . . 6 ⊢ (𝑚 = (𝑘 + 1) → (𝑃 ∥ (𝐴↑𝑚) ↔ 𝑃 ∥ (𝐴↑(𝑘 + 1))))
11	10	bibi1d 343	. . . . 5 ⊢ (𝑚 = (𝑘 + 1) → ((𝑃 ∥ (𝐴↑𝑚) ↔ 𝑃 ∥ 𝐴) ↔ (𝑃 ∥ (𝐴↑(𝑘 + 1)) ↔ 𝑃 ∥ 𝐴)))
12	11	imbi2d 340	. . . 4 ⊢ (𝑚 = (𝑘 + 1) → (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ) → (𝑃 ∥ (𝐴↑𝑚) ↔ 𝑃 ∥ 𝐴)) ↔ ((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ) → (𝑃 ∥ (𝐴↑(𝑘 + 1)) ↔ 𝑃 ∥ 𝐴))))
13		oveq2 7413	. . . . . . 7 ⊢ (𝑚 = 𝑁 → (𝐴↑𝑚) = (𝐴↑𝑁))
14	13	breq2d 5153	. . . . . 6 ⊢ (𝑚 = 𝑁 → (𝑃 ∥ (𝐴↑𝑚) ↔ 𝑃 ∥ (𝐴↑𝑁)))
15	14	bibi1d 343	. . . . 5 ⊢ (𝑚 = 𝑁 → ((𝑃 ∥ (𝐴↑𝑚) ↔ 𝑃 ∥ 𝐴) ↔ (𝑃 ∥ (𝐴↑𝑁) ↔ 𝑃 ∥ 𝐴)))
16	15	imbi2d 340	. . . 4 ⊢ (𝑚 = 𝑁 → (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ) → (𝑃 ∥ (𝐴↑𝑚) ↔ 𝑃 ∥ 𝐴)) ↔ ((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ) → (𝑃 ∥ (𝐴↑𝑁) ↔ 𝑃 ∥ 𝐴))))
17		zcn 12567	. . . . . . 7 ⊢ (𝐴 ∈ ℤ → 𝐴 ∈ ℂ)
18	17	adantl 481	. . . . . 6 ⊢ ((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ) → 𝐴 ∈ ℂ)
19	18	exp1d 14111	. . . . 5 ⊢ ((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ) → (𝐴↑1) = 𝐴)
20	19	breq2d 5153	. . . 4 ⊢ ((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ) → (𝑃 ∥ (𝐴↑1) ↔ 𝑃 ∥ 𝐴))
21		nnnn0 12483	. . . . . . . . . 10 ⊢ (𝑘 ∈ ℕ → 𝑘 ∈ ℕ₀)
22		expp1 14039	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℂ ∧ 𝑘 ∈ ℕ₀) → (𝐴↑(𝑘 + 1)) = ((𝐴↑𝑘) · 𝐴))
23	18, 21, 22	syl2an 595	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ) ∧ 𝑘 ∈ ℕ) → (𝐴↑(𝑘 + 1)) = ((𝐴↑𝑘) · 𝐴))
24	23	breq2d 5153	. . . . . . . 8 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ) ∧ 𝑘 ∈ ℕ) → (𝑃 ∥ (𝐴↑(𝑘 + 1)) ↔ 𝑃 ∥ ((𝐴↑𝑘) · 𝐴)))
25		simpll 764	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ) ∧ 𝑘 ∈ ℕ) → 𝑃 ∈ ℙ)
26		simpr 484	. . . . . . . . . 10 ⊢ ((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ) → 𝐴 ∈ ℤ)
27		zexpcl 14047	. . . . . . . . . 10 ⊢ ((𝐴 ∈ ℤ ∧ 𝑘 ∈ ℕ₀) → (𝐴↑𝑘) ∈ ℤ)
28	26, 21, 27	syl2an 595	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ) ∧ 𝑘 ∈ ℕ) → (𝐴↑𝑘) ∈ ℤ)
29		simplr 766	. . . . . . . . 9 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ) ∧ 𝑘 ∈ ℕ) → 𝐴 ∈ ℤ)
30		euclemma 16657	. . . . . . . . 9 ⊢ ((𝑃 ∈ ℙ ∧ (𝐴↑𝑘) ∈ ℤ ∧ 𝐴 ∈ ℤ) → (𝑃 ∥ ((𝐴↑𝑘) · 𝐴) ↔ (𝑃 ∥ (𝐴↑𝑘) ∨ 𝑃 ∥ 𝐴)))
31	25, 28, 29, 30	syl3anc 1368	. . . . . . . 8 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ) ∧ 𝑘 ∈ ℕ) → (𝑃 ∥ ((𝐴↑𝑘) · 𝐴) ↔ (𝑃 ∥ (𝐴↑𝑘) ∨ 𝑃 ∥ 𝐴)))
32	24, 31	bitrd 279	. . . . . . 7 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ) ∧ 𝑘 ∈ ℕ) → (𝑃 ∥ (𝐴↑(𝑘 + 1)) ↔ (𝑃 ∥ (𝐴↑𝑘) ∨ 𝑃 ∥ 𝐴)))
33		orbi1 914	. . . . . . . . 9 ⊢ ((𝑃 ∥ (𝐴↑𝑘) ↔ 𝑃 ∥ 𝐴) → ((𝑃 ∥ (𝐴↑𝑘) ∨ 𝑃 ∥ 𝐴) ↔ (𝑃 ∥ 𝐴 ∨ 𝑃 ∥ 𝐴)))
34		oridm 901	. . . . . . . . 9 ⊢ ((𝑃 ∥ 𝐴 ∨ 𝑃 ∥ 𝐴) ↔ 𝑃 ∥ 𝐴)
35	33, 34	bitrdi 287	. . . . . . . 8 ⊢ ((𝑃 ∥ (𝐴↑𝑘) ↔ 𝑃 ∥ 𝐴) → ((𝑃 ∥ (𝐴↑𝑘) ∨ 𝑃 ∥ 𝐴) ↔ 𝑃 ∥ 𝐴))
36	35	bibi2d 342	. . . . . . 7 ⊢ ((𝑃 ∥ (𝐴↑𝑘) ↔ 𝑃 ∥ 𝐴) → ((𝑃 ∥ (𝐴↑(𝑘 + 1)) ↔ (𝑃 ∥ (𝐴↑𝑘) ∨ 𝑃 ∥ 𝐴)) ↔ (𝑃 ∥ (𝐴↑(𝑘 + 1)) ↔ 𝑃 ∥ 𝐴)))
37	32, 36	syl5ibcom 244	. . . . . 6 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ) ∧ 𝑘 ∈ ℕ) → ((𝑃 ∥ (𝐴↑𝑘) ↔ 𝑃 ∥ 𝐴) → (𝑃 ∥ (𝐴↑(𝑘 + 1)) ↔ 𝑃 ∥ 𝐴)))
38	37	expcom 413	. . . . 5 ⊢ (𝑘 ∈ ℕ → ((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ) → ((𝑃 ∥ (𝐴↑𝑘) ↔ 𝑃 ∥ 𝐴) → (𝑃 ∥ (𝐴↑(𝑘 + 1)) ↔ 𝑃 ∥ 𝐴))))
39	38	a2d 29	. . . 4 ⊢ (𝑘 ∈ ℕ → (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ) → (𝑃 ∥ (𝐴↑𝑘) ↔ 𝑃 ∥ 𝐴)) → ((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ) → (𝑃 ∥ (𝐴↑(𝑘 + 1)) ↔ 𝑃 ∥ 𝐴))))
40	4, 8, 12, 16, 20, 39	nnind 12234	. . 3 ⊢ (𝑁 ∈ ℕ → ((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ) → (𝑃 ∥ (𝐴↑𝑁) ↔ 𝑃 ∥ 𝐴)))
41	40	impcom 407	. 2 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ) ∧ 𝑁 ∈ ℕ) → (𝑃 ∥ (𝐴↑𝑁) ↔ 𝑃 ∥ 𝐴))
42	41	3impa 1107	1 ⊢ ((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ 𝑁 ∈ ℕ) → (𝑃 ∥ (𝐴↑𝑁) ↔ 𝑃 ∥ 𝐴))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 205 ∧ wa 395 ∨ wo 844 ∧ w3a 1084 = wceq 1533 ∈ wcel 2098 class class class wbr 5141 (class class class)co 7405 ℂcc 11110 1c1 11113 + caddc 11115 · cmul 11117 ℕcn 12216 ℕ₀cn0 12476 ℤcz 12562 ↑cexp 14032 ∥ cdvds 16204 ℙcprime 16615

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1789 ax-4 1803 ax-5 1905 ax-6 1963 ax-7 2003 ax-8 2100 ax-9 2108 ax-10 2129 ax-11 2146 ax-12 2163 ax-ext 2697 ax-sep 5292 ax-nul 5299 ax-pow 5356 ax-pr 5420 ax-un 7722 ax-cnex 11168 ax-resscn 11169 ax-1cn 11170 ax-icn 11171 ax-addcl 11172 ax-addrcl 11173 ax-mulcl 11174 ax-mulrcl 11175 ax-mulcom 11176 ax-addass 11177 ax-mulass 11178 ax-distr 11179 ax-i2m1 11180 ax-1ne0 11181 ax-1rid 11182 ax-rnegex 11183 ax-rrecex 11184 ax-cnre 11185 ax-pre-lttri 11186 ax-pre-lttrn 11187 ax-pre-ltadd 11188 ax-pre-mulgt0 11189 ax-pre-sup 11190

This theorem depends on definitions: df-bi 206 df-an 396 df-or 845 df-3or 1085 df-3an 1086 df-tru 1536 df-fal 1546 df-ex 1774 df-nf 1778 df-sb 2060 df-mo 2528 df-eu 2557 df-clab 2704 df-cleq 2718 df-clel 2804 df-nfc 2879 df-ne 2935 df-nel 3041 df-ral 3056 df-rex 3065 df-rmo 3370 df-reu 3371 df-rab 3427 df-v 3470 df-sbc 3773 df-csb 3889 df-dif 3946 df-un 3948 df-in 3950 df-ss 3960 df-pss 3962 df-nul 4318 df-if 4524 df-pw 4599 df-sn 4624 df-pr 4626 df-op 4630 df-uni 4903 df-iun 4992 df-br 5142 df-opab 5204 df-mpt 5225 df-tr 5259 df-id 5567 df-eprel 5573 df-po 5581 df-so 5582 df-fr 5624 df-we 5626 df-xp 5675 df-rel 5676 df-cnv 5677 df-co 5678 df-dm 5679 df-rn 5680 df-res 5681 df-ima 5682 df-pred 6294 df-ord 6361 df-on 6362 df-lim 6363 df-suc 6364 df-iota 6489 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7361 df-ov 7408 df-oprab 7409 df-mpo 7410 df-om 7853 df-2nd 7975 df-frecs 8267 df-wrecs 8298 df-recs 8372 df-rdg 8411 df-1o 8467 df-2o 8468 df-er 8705 df-en 8942 df-dom 8943 df-sdom 8944 df-fin 8945 df-sup 9439 df-inf 9440 df-pnf 11254 df-mnf 11255 df-xr 11256 df-ltxr 11257 df-le 11258 df-sub 11450 df-neg 11451 df-div 11876 df-nn 12217 df-2 12279 df-3 12280 df-n0 12477 df-z 12563 df-uz 12827 df-rp 12981 df-fl 13763 df-mod 13841 df-seq 13973 df-exp 14033 df-cj 15052 df-re 15053 df-im 15054 df-sqrt 15188 df-abs 15189 df-dvds 16205 df-gcd 16443 df-prm 16616

This theorem is referenced by: prmdvdsexpb 16660 prmdvdssq 16662 rpexp 16667 pythagtriplem4 16761 lgslem4 27188 lgsqr 27239 lgsqrmodndvds 27241 2sqlem3 27308 etransclem41 45568 lighneallem4 46855

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