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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 16814 | . . . . . . . . 9 ⊢ ((𝑛 ∈ ℙ ∧ 𝑁 ∈ ℕ) → (𝑛 pCnt 𝑁) ∈ ℕ0) | |
| 3 | 2 | ancoms 458 | . . . . . . . 8 ⊢ ((𝑁 ∈ ℕ ∧ 𝑛 ∈ ℙ) → (𝑛 pCnt 𝑁) ∈ ℕ0) |
| 4 | 3 | ralrimiva 3130 | . . . . . . 7 ⊢ (𝑁 ∈ ℕ → ∀𝑛 ∈ ℙ (𝑛 pCnt 𝑁) ∈ ℕ0) |
| 5 | 4 | adantl 481 | . . . . . 6 ⊢ ((𝑝 ∈ ℙ ∧ 𝑁 ∈ ℕ) → ∀𝑛 ∈ ℙ (𝑛 pCnt 𝑁) ∈ ℕ0) |
| 6 | simpr 484 | . . . . . 6 ⊢ ((𝑝 ∈ ℙ ∧ 𝑁 ∈ ℕ) → 𝑁 ∈ ℕ) | |
| 7 | simpl 482 | . . . . . 6 ⊢ ((𝑝 ∈ ℙ ∧ 𝑁 ∈ ℕ) → 𝑝 ∈ ℙ) | |
| 8 | oveq1 7368 | . . . . . 6 ⊢ (𝑛 = 𝑝 → (𝑛 pCnt 𝑁) = (𝑝 pCnt 𝑁)) | |
| 9 | 1, 5, 6, 7, 8 | pcmpt 16857 | . . . . 5 ⊢ ((𝑝 ∈ ℙ ∧ 𝑁 ∈ ℕ) → (𝑝 pCnt (seq1( · , 𝐹)‘𝑁)) = if(𝑝 ≤ 𝑁, (𝑝 pCnt 𝑁), 0)) |
| 10 | iftrue 4473 | . . . . . . 7 ⊢ (𝑝 ≤ 𝑁 → if(𝑝 ≤ 𝑁, (𝑝 pCnt 𝑁), 0) = (𝑝 pCnt 𝑁)) | |
| 11 | 10 | adantl 481 | . . . . . 6 ⊢ (((𝑝 ∈ ℙ ∧ 𝑁 ∈ ℕ) ∧ 𝑝 ≤ 𝑁) → if(𝑝 ≤ 𝑁, (𝑝 pCnt 𝑁), 0) = (𝑝 pCnt 𝑁)) |
| 12 | iffalse 4476 | . . . . . . . 8 ⊢ (¬ 𝑝 ≤ 𝑁 → if(𝑝 ≤ 𝑁, (𝑝 pCnt 𝑁), 0) = 0) | |
| 13 | 12 | adantl 481 | . . . . . . 7 ⊢ (((𝑝 ∈ ℙ ∧ 𝑁 ∈ ℕ) ∧ ¬ 𝑝 ≤ 𝑁) → if(𝑝 ≤ 𝑁, (𝑝 pCnt 𝑁), 0) = 0) |
| 14 | prmz 16638 | . . . . . . . . . 10 ⊢ (𝑝 ∈ ℙ → 𝑝 ∈ ℤ) | |
| 15 | dvdsle 16273 | . . . . . . . . . 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 408 | . . . . . . . 8 ⊢ (((𝑝 ∈ ℙ ∧ 𝑁 ∈ ℕ) ∧ ¬ 𝑝 ≤ 𝑁) → ¬ 𝑝 ∥ 𝑁) |
| 18 | pceq0 16836 | . . . . . . . . 9 ⊢ ((𝑝 ∈ ℙ ∧ 𝑁 ∈ ℕ) → ((𝑝 pCnt 𝑁) = 0 ↔ ¬ 𝑝 ∥ 𝑁)) | |
| 19 | 18 | adantr 480 | . . . . . . . 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 2775 | . . . . . 6 ⊢ (((𝑝 ∈ ℙ ∧ 𝑁 ∈ ℕ) ∧ ¬ 𝑝 ≤ 𝑁) → if(𝑝 ≤ 𝑁, (𝑝 pCnt 𝑁), 0) = (𝑝 pCnt 𝑁)) |
| 22 | 11, 21 | pm2.61dan 813 | . . . . 5 ⊢ ((𝑝 ∈ ℙ ∧ 𝑁 ∈ ℕ) → if(𝑝 ≤ 𝑁, (𝑝 pCnt 𝑁), 0) = (𝑝 pCnt 𝑁)) |
| 23 | 9, 22 | eqtrd 2772 | . . . 4 ⊢ ((𝑝 ∈ ℙ ∧ 𝑁 ∈ ℕ) → (𝑝 pCnt (seq1( · , 𝐹)‘𝑁)) = (𝑝 pCnt 𝑁)) |
| 24 | 23 | ancoms 458 | . . 3 ⊢ ((𝑁 ∈ ℕ ∧ 𝑝 ∈ ℙ) → (𝑝 pCnt (seq1( · , 𝐹)‘𝑁)) = (𝑝 pCnt 𝑁)) |
| 25 | 24 | ralrimiva 3130 | . 2 ⊢ (𝑁 ∈ ℕ → ∀𝑝 ∈ ℙ (𝑝 pCnt (seq1( · , 𝐹)‘𝑁)) = (𝑝 pCnt 𝑁)) |
| 26 | 1, 4 | pcmptcl 16856 | . . . . . 6 ⊢ (𝑁 ∈ ℕ → (𝐹:ℕ⟶ℕ ∧ seq1( · , 𝐹):ℕ⟶ℕ)) |
| 27 | 26 | simprd 495 | . . . . 5 ⊢ (𝑁 ∈ ℕ → seq1( · , 𝐹):ℕ⟶ℕ) |
| 28 | ffvelcdm 7028 | . . . . 5 ⊢ ((seq1( · , 𝐹):ℕ⟶ℕ ∧ 𝑁 ∈ ℕ) → (seq1( · , 𝐹)‘𝑁) ∈ ℕ) | |
| 29 | 27, 28 | mpancom 689 | . . . 4 ⊢ (𝑁 ∈ ℕ → (seq1( · , 𝐹)‘𝑁) ∈ ℕ) |
| 30 | 29 | nnnn0d 12492 | . . 3 ⊢ (𝑁 ∈ ℕ → (seq1( · , 𝐹)‘𝑁) ∈ ℕ0) |
| 31 | nnnn0 12438 | . . 3 ⊢ (𝑁 ∈ ℕ → 𝑁 ∈ ℕ0) | |
| 32 | pc11 16845 | . . 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 206 ∧ wa 395 = wceq 1542 ∈ wcel 2114 ∀wral 3052 ifcif 4467 class class class wbr 5086 ↦ cmpt 5167 ⟶wf 6489 ‘cfv 6493 (class class class)co 7361 0cc0 11032 1c1 11033 · cmul 11037 ≤ cle 11174 ℕcn 12168 ℕ0cn0 12431 ℤcz 12518 seqcseq 13957 ↑cexp 14017 ∥ cdvds 16215 ℙcprime 16634 pCnt cpc 16801 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5232 ax-nul 5242 ax-pow 5303 ax-pr 5371 ax-un 7683 ax-cnex 11088 ax-resscn 11089 ax-1cn 11090 ax-icn 11091 ax-addcl 11092 ax-addrcl 11093 ax-mulcl 11094 ax-mulrcl 11095 ax-mulcom 11096 ax-addass 11097 ax-mulass 11098 ax-distr 11099 ax-i2m1 11100 ax-1ne0 11101 ax-1rid 11102 ax-rnegex 11103 ax-rrecex 11104 ax-cnre 11105 ax-pre-lttri 11106 ax-pre-lttrn 11107 ax-pre-ltadd 11108 ax-pre-mulgt0 11109 ax-pre-sup 11110 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rmo 3343 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5520 df-eprel 5525 df-po 5533 df-so 5534 df-fr 5578 df-we 5580 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-pred 6260 df-ord 6321 df-on 6322 df-lim 6323 df-suc 6324 df-iota 6449 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-riota 7318 df-ov 7364 df-oprab 7365 df-mpo 7366 df-om 7812 df-1st 7936 df-2nd 7937 df-frecs 8225 df-wrecs 8256 df-recs 8305 df-rdg 8343 df-1o 8399 df-2o 8400 df-er 8637 df-en 8888 df-dom 8889 df-sdom 8890 df-fin 8891 df-sup 9349 df-inf 9350 df-pnf 11175 df-mnf 11176 df-xr 11177 df-ltxr 11178 df-le 11179 df-sub 11373 df-neg 11374 df-div 11802 df-nn 12169 df-2 12238 df-3 12239 df-n0 12432 df-z 12519 df-uz 12783 df-q 12893 df-rp 12937 df-fz 13456 df-fl 13745 df-mod 13823 df-seq 13958 df-exp 14018 df-cj 15055 df-re 15056 df-im 15057 df-sqrt 15191 df-abs 15192 df-dvds 16216 df-gcd 16458 df-prm 16635 df-pc 16802 |
| This theorem is referenced by: pclogsum 27195 |
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