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| Mirrors > Home > MPE Home > Th. List > 0sgmppw | Structured version Visualization version GIF version | ||
| Description: A prime power 𝑃↑𝐾 has 𝐾 + 1 divisors. (Contributed by Mario Carneiro, 17-May-2016.) |
| Ref | Expression |
|---|---|
| 0sgmppw | ⊢ ((𝑃 ∈ ℙ ∧ 𝐾 ∈ ℕ0) → (0 σ (𝑃↑𝐾)) = (𝐾 + 1)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | prmnn 16764 | . . . . 5 ⊢ (𝑃 ∈ ℙ → 𝑃 ∈ ℕ) | |
| 2 | nnexpcl 14138 | . . . . 5 ⊢ ((𝑃 ∈ ℕ ∧ 𝐾 ∈ ℕ0) → (𝑃↑𝐾) ∈ ℕ) | |
| 3 | 1, 2 | sylan 592 | . . . 4 ⊢ ((𝑃 ∈ ℙ ∧ 𝐾 ∈ ℕ0) → (𝑃↑𝐾) ∈ ℕ) |
| 4 | 0sgm 27380 | . . . 4 ⊢ ((𝑃↑𝐾) ∈ ℕ → (0 σ (𝑃↑𝐾)) = (♯‘{𝑥 ∈ ℕ ∣ 𝑥 ∥ (𝑃↑𝐾)})) | |
| 5 | 3, 4 | syl 18 | . . 3 ⊢ ((𝑃 ∈ ℙ ∧ 𝐾 ∈ ℕ0) → (0 σ (𝑃↑𝐾)) = (♯‘{𝑥 ∈ ℕ ∣ 𝑥 ∥ (𝑃↑𝐾)})) |
| 6 | fzfid 14037 | . . . 4 ⊢ ((𝑃 ∈ ℙ ∧ 𝐾 ∈ ℕ0) → (0...𝐾) ∈ Fin) | |
| 7 | eqid 2760 | . . . . 5 ⊢ (𝑛 ∈ (0...𝐾) ↦ (𝑃↑𝑛)) = (𝑛 ∈ (0...𝐾) ↦ (𝑃↑𝑛)) | |
| 8 | 7 | dvdsppwf1o 27422 | . . . 4 ⊢ ((𝑃 ∈ ℙ ∧ 𝐾 ∈ ℕ0) → (𝑛 ∈ (0...𝐾) ↦ (𝑃↑𝑛)):(0...𝐾)–1-1-onto→{𝑥 ∈ ℕ ∣ 𝑥 ∥ (𝑃↑𝐾)}) |
| 9 | 6, 8 | hasheqf1od 14417 | . . 3 ⊢ ((𝑃 ∈ ℙ ∧ 𝐾 ∈ ℕ0) → (♯‘(0...𝐾)) = (♯‘{𝑥 ∈ ℕ ∣ 𝑥 ∥ (𝑃↑𝐾)})) |
| 10 | 5, 9 | eqtr4d 2798 | . 2 ⊢ ((𝑃 ∈ ℙ ∧ 𝐾 ∈ ℕ0) → (0 σ (𝑃↑𝐾)) = (♯‘(0...𝐾))) |
| 11 | simpr 490 | . . . 4 ⊢ ((𝑃 ∈ ℙ ∧ 𝐾 ∈ ℕ0) → 𝐾 ∈ ℕ0) | |
| 12 | nn0uz 12925 | . . . 4 ⊢ ℕ0 = (ℤ≥‘0) | |
| 13 | 11, 12 | eleqtrdi 2870 | . . 3 ⊢ ((𝑃 ∈ ℙ ∧ 𝐾 ∈ ℕ0) → 𝐾 ∈ (ℤ≥‘0)) |
| 14 | hashfz 14492 | . . 3 ⊢ (𝐾 ∈ (ℤ≥‘0) → (♯‘(0...𝐾)) = ((𝐾 − 0) + 1)) | |
| 15 | 13, 14 | syl 18 | . 2 ⊢ ((𝑃 ∈ ℙ ∧ 𝐾 ∈ ℕ0) → (♯‘(0...𝐾)) = ((𝐾 − 0) + 1)) |
| 16 | nn0cn 12538 | . . . . 5 ⊢ (𝐾 ∈ ℕ0 → 𝐾 ∈ ℂ) | |
| 17 | 16 | adantl 487 | . . . 4 ⊢ ((𝑃 ∈ ℙ ∧ 𝐾 ∈ ℕ0) → 𝐾 ∈ ℂ) |
| 18 | 17 | subid1d 11582 | . . 3 ⊢ ((𝑃 ∈ ℙ ∧ 𝐾 ∈ ℕ0) → (𝐾 − 0) = 𝐾) |
| 19 | 18 | oveq1d 7428 | . 2 ⊢ ((𝑃 ∈ ℙ ∧ 𝐾 ∈ ℕ0) → ((𝐾 − 0) + 1) = (𝐾 + 1)) |
| 20 | 10, 15, 19 | 3eqtrd 2799 | 1 ⊢ ((𝑃 ∈ ℙ ∧ 𝐾 ∈ ℕ0) → (0 σ (𝑃↑𝐾)) = (𝐾 + 1)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2145 {crab 3412 class class class wbr 5103 ↦ cmpt 5186 ‘cfv 6533 (class class class)co 7413 Fincfn 8952 ℂcc 11122 0cc0 11124 1c1 11125 + caddc 11127 − cmin 11465 ℕcn 12257 ℕ0cn0 12528 ℤ≥cuz 12887 ...cfz 13561 ↑cexp 14125 ♯chash 14394 ∥ cdvds 16342 ℙcprime 16761 σ csgm 27332 |
| 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-rep 5232 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7736 ax-inf2 9620 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 ax-addf 11203 |
| 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-tp 4589 df-op 4591 df-uni 4868 df-int 4908 df-iun 4953 df-iin 4954 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-se 5609 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-isom 6542 df-riota 7370 df-ov 7416 df-oprab 7417 df-mpo 7418 df-of 7678 df-om 7863 df-1st 7986 df-2nd 7987 df-supp 8159 df-frecs 8280 df-wrecs 8311 df-recs 8360 df-rdg 8399 df-1o 8455 df-2o 8456 df-er 8696 df-map 8828 df-pm 8829 df-ixp 8905 df-en 8953 df-dom 8954 df-sdom 8955 df-fin 8956 df-fsupp 9332 df-fi 9381 df-sup 9412 df-inf 9413 df-oi 9482 df-card 9944 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-4 12329 df-5 12330 df-6 12331 df-7 12332 df-8 12333 df-9 12334 df-n0 12529 df-z 12616 df-dec 12737 df-uz 12888 df-q 12998 df-rp 13043 df-xneg 13163 df-xadd 13164 df-xmul 13165 df-ioo 13402 df-ioc 13403 df-ico 13404 df-icc 13405 df-fz 13562 df-fzo 13710 df-fl 13853 df-mod 13931 df-seq 14066 df-exp 14126 df-fac 14338 df-bc 14367 df-hash 14395 df-shft 15140 df-cj 15186 df-re 15187 df-im 15188 df-sqrt 15322 df-abs 15323 df-limsup 15558 df-clim 15575 df-rlim 15576 df-sum 15774 df-ef 16153 df-sin 16155 df-cos 16156 df-pi 16158 df-dvds 16343 df-gcd 16585 df-prm 16762 df-pc 16929 df-struct 17239 df-sets 17256 df-slot 17274 df-ndx 17286 df-base 17302 df-ress 17323 df-plusg 17355 df-mulr 17356 df-starv 17357 df-sca 17358 df-vsca 17359 df-ip 17360 df-tset 17361 df-ple 17362 df-ds 17364 df-unif 17365 df-hom 17366 df-cco 17367 df-rest 17507 df-topn 17508 df-0g 17526 df-gsum 17527 df-topgen 17528 df-pt 17529 df-prds 17532 df-xrs 17588 df-qtop 17593 df-imas 17594 df-xps 17596 df-mre 17670 df-mrc 17671 df-acs 17673 df-mgm 18730 df-sgrp 18821 df-mnd 18837 df-submnd 18892 df-mulg 19191 df-cntz 19444 df-cmn 19909 df-psmet 21577 df-xmet 21578 df-met 21579 df-bl 21580 df-mopn 21581 df-fbas 21582 df-fg 21583 df-cnfld 21586 df-top 23119 df-topon 23136 df-topsp 23158 df-bases 23171 df-cld 23244 df-ntr 23245 df-cls 23246 df-nei 23323 df-lp 23361 df-perf 23362 df-cn 23452 df-cnp 23453 df-haus 23540 df-tx 23788 df-hmeo 23981 df-fil 24072 df-fm 24164 df-flim 24165 df-flf 24166 df-xms 24546 df-ms 24547 df-tms 24548 df-cncf 25106 df-limc 26093 df-dv 26094 df-log 26793 df-cxp 26794 df-sgm 27338 |
| This theorem is used by: (None) |
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