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Mirrors > Home > MPE Home > Th. List > pcprod | Structured version Visualization version GIF version |
Description: The product of the primes taken to their respective powers reconstructs the original number. (Contributed by Mario Carneiro, 12-Mar-2014.) |
Ref | Expression |
---|---|
pcprod.1 | ⊢ 𝐹 = (𝑛 ∈ ℕ ↦ if(𝑛 ∈ ℙ, (𝑛↑(𝑛 pCnt 𝑁)), 1)) |
Ref | Expression |
---|---|
pcprod | ⊢ (𝑁 ∈ ℕ → (seq1( · , 𝐹)‘𝑁) = 𝑁) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | pcprod.1 | . . . . . 6 ⊢ 𝐹 = (𝑛 ∈ ℕ ↦ if(𝑛 ∈ ℙ, (𝑛↑(𝑛 pCnt 𝑁)), 1)) | |
2 | pccl 16595 | . . . . . . . . 9 ⊢ ((𝑛 ∈ ℙ ∧ 𝑁 ∈ ℕ) → (𝑛 pCnt 𝑁) ∈ ℕ0) | |
3 | 2 | ancoms 460 | . . . . . . . 8 ⊢ ((𝑁 ∈ ℕ ∧ 𝑛 ∈ ℙ) → (𝑛 pCnt 𝑁) ∈ ℕ0) |
4 | 3 | ralrimiva 3140 | . . . . . . 7 ⊢ (𝑁 ∈ ℕ → ∀𝑛 ∈ ℙ (𝑛 pCnt 𝑁) ∈ ℕ0) |
5 | 4 | adantl 483 | . . . . . 6 ⊢ ((𝑝 ∈ ℙ ∧ 𝑁 ∈ ℕ) → ∀𝑛 ∈ ℙ (𝑛 pCnt 𝑁) ∈ ℕ0) |
6 | simpr 486 | . . . . . 6 ⊢ ((𝑝 ∈ ℙ ∧ 𝑁 ∈ ℕ) → 𝑁 ∈ ℕ) | |
7 | simpl 484 | . . . . . 6 ⊢ ((𝑝 ∈ ℙ ∧ 𝑁 ∈ ℕ) → 𝑝 ∈ ℙ) | |
8 | oveq1 7314 | . . . . . 6 ⊢ (𝑛 = 𝑝 → (𝑛 pCnt 𝑁) = (𝑝 pCnt 𝑁)) | |
9 | 1, 5, 6, 7, 8 | pcmpt 16638 | . . . . 5 ⊢ ((𝑝 ∈ ℙ ∧ 𝑁 ∈ ℕ) → (𝑝 pCnt (seq1( · , 𝐹)‘𝑁)) = if(𝑝 ≤ 𝑁, (𝑝 pCnt 𝑁), 0)) |
10 | iftrue 4471 | . . . . . . 7 ⊢ (𝑝 ≤ 𝑁 → if(𝑝 ≤ 𝑁, (𝑝 pCnt 𝑁), 0) = (𝑝 pCnt 𝑁)) | |
11 | 10 | adantl 483 | . . . . . 6 ⊢ (((𝑝 ∈ ℙ ∧ 𝑁 ∈ ℕ) ∧ 𝑝 ≤ 𝑁) → if(𝑝 ≤ 𝑁, (𝑝 pCnt 𝑁), 0) = (𝑝 pCnt 𝑁)) |
12 | iffalse 4474 | . . . . . . . 8 ⊢ (¬ 𝑝 ≤ 𝑁 → if(𝑝 ≤ 𝑁, (𝑝 pCnt 𝑁), 0) = 0) | |
13 | 12 | adantl 483 | . . . . . . 7 ⊢ (((𝑝 ∈ ℙ ∧ 𝑁 ∈ ℕ) ∧ ¬ 𝑝 ≤ 𝑁) → if(𝑝 ≤ 𝑁, (𝑝 pCnt 𝑁), 0) = 0) |
14 | prmz 16425 | . . . . . . . . . 10 ⊢ (𝑝 ∈ ℙ → 𝑝 ∈ ℤ) | |
15 | dvdsle 16064 | . . . . . . . . . 10 ⊢ ((𝑝 ∈ ℤ ∧ 𝑁 ∈ ℕ) → (𝑝 ∥ 𝑁 → 𝑝 ≤ 𝑁)) | |
16 | 14, 15 | sylan 581 | . . . . . . . . 9 ⊢ ((𝑝 ∈ ℙ ∧ 𝑁 ∈ ℕ) → (𝑝 ∥ 𝑁 → 𝑝 ≤ 𝑁)) |
17 | 16 | con3dimp 410 | . . . . . . . 8 ⊢ (((𝑝 ∈ ℙ ∧ 𝑁 ∈ ℕ) ∧ ¬ 𝑝 ≤ 𝑁) → ¬ 𝑝 ∥ 𝑁) |
18 | pceq0 16617 | . . . . . . . . 9 ⊢ ((𝑝 ∈ ℙ ∧ 𝑁 ∈ ℕ) → ((𝑝 pCnt 𝑁) = 0 ↔ ¬ 𝑝 ∥ 𝑁)) | |
19 | 18 | adantr 482 | . . . . . . . 8 ⊢ (((𝑝 ∈ ℙ ∧ 𝑁 ∈ ℕ) ∧ ¬ 𝑝 ≤ 𝑁) → ((𝑝 pCnt 𝑁) = 0 ↔ ¬ 𝑝 ∥ 𝑁)) |
20 | 17, 19 | mpbird 257 | . . . . . . 7 ⊢ (((𝑝 ∈ ℙ ∧ 𝑁 ∈ ℕ) ∧ ¬ 𝑝 ≤ 𝑁) → (𝑝 pCnt 𝑁) = 0) |
21 | 13, 20 | eqtr4d 2779 | . . . . . 6 ⊢ (((𝑝 ∈ ℙ ∧ 𝑁 ∈ ℕ) ∧ ¬ 𝑝 ≤ 𝑁) → if(𝑝 ≤ 𝑁, (𝑝 pCnt 𝑁), 0) = (𝑝 pCnt 𝑁)) |
22 | 11, 21 | pm2.61dan 811 | . . . . 5 ⊢ ((𝑝 ∈ ℙ ∧ 𝑁 ∈ ℕ) → if(𝑝 ≤ 𝑁, (𝑝 pCnt 𝑁), 0) = (𝑝 pCnt 𝑁)) |
23 | 9, 22 | eqtrd 2776 | . . . 4 ⊢ ((𝑝 ∈ ℙ ∧ 𝑁 ∈ ℕ) → (𝑝 pCnt (seq1( · , 𝐹)‘𝑁)) = (𝑝 pCnt 𝑁)) |
24 | 23 | ancoms 460 | . . 3 ⊢ ((𝑁 ∈ ℕ ∧ 𝑝 ∈ ℙ) → (𝑝 pCnt (seq1( · , 𝐹)‘𝑁)) = (𝑝 pCnt 𝑁)) |
25 | 24 | ralrimiva 3140 | . 2 ⊢ (𝑁 ∈ ℕ → ∀𝑝 ∈ ℙ (𝑝 pCnt (seq1( · , 𝐹)‘𝑁)) = (𝑝 pCnt 𝑁)) |
26 | 1, 4 | pcmptcl 16637 | . . . . . 6 ⊢ (𝑁 ∈ ℕ → (𝐹:ℕ⟶ℕ ∧ seq1( · , 𝐹):ℕ⟶ℕ)) |
27 | 26 | simprd 497 | . . . . 5 ⊢ (𝑁 ∈ ℕ → seq1( · , 𝐹):ℕ⟶ℕ) |
28 | ffvelcdm 6991 | . . . . 5 ⊢ ((seq1( · , 𝐹):ℕ⟶ℕ ∧ 𝑁 ∈ ℕ) → (seq1( · , 𝐹)‘𝑁) ∈ ℕ) | |
29 | 27, 28 | mpancom 686 | . . . 4 ⊢ (𝑁 ∈ ℕ → (seq1( · , 𝐹)‘𝑁) ∈ ℕ) |
30 | 29 | nnnn0d 12339 | . . 3 ⊢ (𝑁 ∈ ℕ → (seq1( · , 𝐹)‘𝑁) ∈ ℕ0) |
31 | nnnn0 12286 | . . 3 ⊢ (𝑁 ∈ ℕ → 𝑁 ∈ ℕ0) | |
32 | pc11 16626 | . . 3 ⊢ (((seq1( · , 𝐹)‘𝑁) ∈ ℕ0 ∧ 𝑁 ∈ ℕ0) → ((seq1( · , 𝐹)‘𝑁) = 𝑁 ↔ ∀𝑝 ∈ ℙ (𝑝 pCnt (seq1( · , 𝐹)‘𝑁)) = (𝑝 pCnt 𝑁))) | |
33 | 30, 31, 32 | syl2anc 585 | . 2 ⊢ (𝑁 ∈ ℕ → ((seq1( · , 𝐹)‘𝑁) = 𝑁 ↔ ∀𝑝 ∈ ℙ (𝑝 pCnt (seq1( · , 𝐹)‘𝑁)) = (𝑝 pCnt 𝑁))) |
34 | 25, 33 | mpbird 257 | 1 ⊢ (𝑁 ∈ ℕ → (seq1( · , 𝐹)‘𝑁) = 𝑁) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ↔ wb 205 ∧ wa 397 = wceq 1539 ∈ wcel 2104 ∀wral 3062 ifcif 4465 class class class wbr 5081 ↦ cmpt 5164 ⟶wf 6454 ‘cfv 6458 (class class class)co 7307 0cc0 10917 1c1 10918 · cmul 10922 ≤ cle 11056 ℕcn 12019 ℕ0cn0 12279 ℤcz 12365 seqcseq 13767 ↑cexp 13828 ∥ cdvds 16008 ℙcprime 16421 pCnt cpc 16582 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1911 ax-6 1969 ax-7 2009 ax-8 2106 ax-9 2114 ax-10 2135 ax-11 2152 ax-12 2169 ax-ext 2707 ax-sep 5232 ax-nul 5239 ax-pow 5297 ax-pr 5361 ax-un 7620 ax-cnex 10973 ax-resscn 10974 ax-1cn 10975 ax-icn 10976 ax-addcl 10977 ax-addrcl 10978 ax-mulcl 10979 ax-mulrcl 10980 ax-mulcom 10981 ax-addass 10982 ax-mulass 10983 ax-distr 10984 ax-i2m1 10985 ax-1ne0 10986 ax-1rid 10987 ax-rnegex 10988 ax-rrecex 10989 ax-cnre 10990 ax-pre-lttri 10991 ax-pre-lttrn 10992 ax-pre-ltadd 10993 ax-pre-mulgt0 10994 ax-pre-sup 10995 |
This theorem depends on definitions: df-bi 206 df-an 398 df-or 846 df-3or 1088 df-3an 1089 df-tru 1542 df-fal 1552 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2538 df-eu 2567 df-clab 2714 df-cleq 2728 df-clel 2814 df-nfc 2887 df-ne 2942 df-nel 3048 df-ral 3063 df-rex 3072 df-rmo 3285 df-reu 3286 df-rab 3287 df-v 3439 df-sbc 3722 df-csb 3838 df-dif 3895 df-un 3897 df-in 3899 df-ss 3909 df-pss 3911 df-nul 4263 df-if 4466 df-pw 4541 df-sn 4566 df-pr 4568 df-op 4572 df-uni 4845 df-iun 4933 df-br 5082 df-opab 5144 df-mpt 5165 df-tr 5199 df-id 5500 df-eprel 5506 df-po 5514 df-so 5515 df-fr 5555 df-we 5557 df-xp 5606 df-rel 5607 df-cnv 5608 df-co 5609 df-dm 5610 df-rn 5611 df-res 5612 df-ima 5613 df-pred 6217 df-ord 6284 df-on 6285 df-lim 6286 df-suc 6287 df-iota 6410 df-fun 6460 df-fn 6461 df-f 6462 df-f1 6463 df-fo 6464 df-f1o 6465 df-fv 6466 df-riota 7264 df-ov 7310 df-oprab 7311 df-mpo 7312 df-om 7745 df-1st 7863 df-2nd 7864 df-frecs 8128 df-wrecs 8159 df-recs 8233 df-rdg 8272 df-1o 8328 df-2o 8329 df-er 8529 df-en 8765 df-dom 8766 df-sdom 8767 df-fin 8768 df-sup 9245 df-inf 9246 df-pnf 11057 df-mnf 11058 df-xr 11059 df-ltxr 11060 df-le 11061 df-sub 11253 df-neg 11254 df-div 11679 df-nn 12020 df-2 12082 df-3 12083 df-n0 12280 df-z 12366 df-uz 12629 df-q 12735 df-rp 12777 df-fz 13286 df-fl 13558 df-mod 13636 df-seq 13768 df-exp 13829 df-cj 14855 df-re 14856 df-im 14857 df-sqrt 14991 df-abs 14992 df-dvds 16009 df-gcd 16247 df-prm 16422 df-pc 16583 |
This theorem is referenced by: pclogsum 26408 |
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