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Mirrors > Home > MPE Home > Th. List > isppw | Structured version Visualization version GIF version |
Description: Two ways to say that 𝐴 is a prime power. (Contributed by Mario Carneiro, 7-Apr-2016.) |
Ref | Expression |
---|---|
isppw | ⊢ (𝐴 ∈ ℕ → ((Λ‘𝐴) ≠ 0 ↔ ∃!𝑝 ∈ ℙ 𝑝 ∥ 𝐴)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2738 | . . . 4 ⊢ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} = {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} | |
2 | 1 | vmaval 26167 | . . 3 ⊢ (𝐴 ∈ ℕ → (Λ‘𝐴) = if((♯‘{𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}) = 1, (log‘∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}), 0)) |
3 | 2 | neeq1d 3002 | . 2 ⊢ (𝐴 ∈ ℕ → ((Λ‘𝐴) ≠ 0 ↔ if((♯‘{𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}) = 1, (log‘∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}), 0) ≠ 0)) |
4 | reuen1 8769 | . . 3 ⊢ (∃!𝑝 ∈ ℙ 𝑝 ∥ 𝐴 ↔ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ≈ 1o) | |
5 | hash1 14047 | . . . . . . . . . 10 ⊢ (♯‘1o) = 1 | |
6 | 5 | eqeq2i 2751 | . . . . . . . . 9 ⊢ ((♯‘{𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}) = (♯‘1o) ↔ (♯‘{𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}) = 1) |
7 | prmdvdsfi 26161 | . . . . . . . . . 10 ⊢ (𝐴 ∈ ℕ → {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ∈ Fin) | |
8 | 1onn 8432 | . . . . . . . . . . 11 ⊢ 1o ∈ ω | |
9 | nnfi 8912 | . . . . . . . . . . 11 ⊢ (1o ∈ ω → 1o ∈ Fin) | |
10 | 8, 9 | ax-mp 5 | . . . . . . . . . 10 ⊢ 1o ∈ Fin |
11 | hashen 13989 | . . . . . . . . . 10 ⊢ (({𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ∈ Fin ∧ 1o ∈ Fin) → ((♯‘{𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}) = (♯‘1o) ↔ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ≈ 1o)) | |
12 | 7, 10, 11 | sylancl 585 | . . . . . . . . 9 ⊢ (𝐴 ∈ ℕ → ((♯‘{𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}) = (♯‘1o) ↔ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ≈ 1o)) |
13 | 6, 12 | bitr3id 284 | . . . . . . . 8 ⊢ (𝐴 ∈ ℕ → ((♯‘{𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}) = 1 ↔ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ≈ 1o)) |
14 | 13 | biimpar 477 | . . . . . . 7 ⊢ ((𝐴 ∈ ℕ ∧ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ≈ 1o) → (♯‘{𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}) = 1) |
15 | 14 | iftrued 4464 | . . . . . 6 ⊢ ((𝐴 ∈ ℕ ∧ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ≈ 1o) → if((♯‘{𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}) = 1, (log‘∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}), 0) = (log‘∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴})) |
16 | simpr 484 | . . . . . . . . . . . . 13 ⊢ ((𝐴 ∈ ℕ ∧ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ≈ 1o) → {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ≈ 1o) | |
17 | en1b 8767 | . . . . . . . . . . . . 13 ⊢ ({𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ≈ 1o ↔ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} = {∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}}) | |
18 | 16, 17 | sylib 217 | . . . . . . . . . . . 12 ⊢ ((𝐴 ∈ ℕ ∧ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ≈ 1o) → {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} = {∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}}) |
19 | ssrab2 4009 | . . . . . . . . . . . 12 ⊢ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ⊆ ℙ | |
20 | 18, 19 | eqsstrrdi 3972 | . . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℕ ∧ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ≈ 1o) → {∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}} ⊆ ℙ) |
21 | 7 | uniexd 7573 | . . . . . . . . . . . . 13 ⊢ (𝐴 ∈ ℕ → ∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ∈ V) |
22 | 21 | adantr 480 | . . . . . . . . . . . 12 ⊢ ((𝐴 ∈ ℕ ∧ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ≈ 1o) → ∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ∈ V) |
23 | snssg 4715 | . . . . . . . . . . . 12 ⊢ (∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ∈ V → (∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ∈ ℙ ↔ {∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}} ⊆ ℙ)) | |
24 | 22, 23 | syl 17 | . . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℕ ∧ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ≈ 1o) → (∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ∈ ℙ ↔ {∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}} ⊆ ℙ)) |
25 | 20, 24 | mpbird 256 | . . . . . . . . . 10 ⊢ ((𝐴 ∈ ℕ ∧ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ≈ 1o) → ∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ∈ ℙ) |
26 | prmuz2 16329 | . . . . . . . . . 10 ⊢ (∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ∈ ℙ → ∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ∈ (ℤ≥‘2)) | |
27 | 25, 26 | syl 17 | . . . . . . . . 9 ⊢ ((𝐴 ∈ ℕ ∧ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ≈ 1o) → ∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ∈ (ℤ≥‘2)) |
28 | eluzelre 12522 | . . . . . . . . 9 ⊢ (∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ∈ (ℤ≥‘2) → ∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ∈ ℝ) | |
29 | 27, 28 | syl 17 | . . . . . . . 8 ⊢ ((𝐴 ∈ ℕ ∧ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ≈ 1o) → ∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ∈ ℝ) |
30 | eluz2gt1 12589 | . . . . . . . . 9 ⊢ (∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ∈ (ℤ≥‘2) → 1 < ∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}) | |
31 | 27, 30 | syl 17 | . . . . . . . 8 ⊢ ((𝐴 ∈ ℕ ∧ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ≈ 1o) → 1 < ∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}) |
32 | 29, 31 | rplogcld 25689 | . . . . . . 7 ⊢ ((𝐴 ∈ ℕ ∧ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ≈ 1o) → (log‘∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}) ∈ ℝ+) |
33 | 32 | rpne0d 12706 | . . . . . 6 ⊢ ((𝐴 ∈ ℕ ∧ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ≈ 1o) → (log‘∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}) ≠ 0) |
34 | 15, 33 | eqnetrd 3010 | . . . . 5 ⊢ ((𝐴 ∈ ℕ ∧ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ≈ 1o) → if((♯‘{𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}) = 1, (log‘∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}), 0) ≠ 0) |
35 | 34 | ex 412 | . . . 4 ⊢ (𝐴 ∈ ℕ → ({𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ≈ 1o → if((♯‘{𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}) = 1, (log‘∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}), 0) ≠ 0)) |
36 | iffalse 4465 | . . . . . 6 ⊢ (¬ (♯‘{𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}) = 1 → if((♯‘{𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}) = 1, (log‘∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}), 0) = 0) | |
37 | 36 | necon1ai 2970 | . . . . 5 ⊢ (if((♯‘{𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}) = 1, (log‘∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}), 0) ≠ 0 → (♯‘{𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}) = 1) |
38 | 37, 13 | syl5ib 243 | . . . 4 ⊢ (𝐴 ∈ ℕ → (if((♯‘{𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}) = 1, (log‘∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}), 0) ≠ 0 → {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ≈ 1o)) |
39 | 35, 38 | impbid 211 | . . 3 ⊢ (𝐴 ∈ ℕ → ({𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ≈ 1o ↔ if((♯‘{𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}) = 1, (log‘∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}), 0) ≠ 0)) |
40 | 4, 39 | syl5bb 282 | . 2 ⊢ (𝐴 ∈ ℕ → (∃!𝑝 ∈ ℙ 𝑝 ∥ 𝐴 ↔ if((♯‘{𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}) = 1, (log‘∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}), 0) ≠ 0)) |
41 | 3, 40 | bitr4d 281 | 1 ⊢ (𝐴 ∈ ℕ → ((Λ‘𝐴) ≠ 0 ↔ ∃!𝑝 ∈ ℙ 𝑝 ∥ 𝐴)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 395 = wceq 1539 ∈ wcel 2108 ≠ wne 2942 ∃!wreu 3065 {crab 3067 Vcvv 3422 ⊆ wss 3883 ifcif 4456 {csn 4558 ∪ cuni 4836 class class class wbr 5070 ‘cfv 6418 ωcom 7687 1oc1o 8260 ≈ cen 8688 Fincfn 8691 ℝcr 10801 0cc0 10802 1c1 10803 < clt 10940 ℕcn 11903 2c2 11958 ℤ≥cuz 12511 ♯chash 13972 ∥ cdvds 15891 ℙcprime 16304 logclog 25615 Λcvma 26146 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-rep 5205 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 ax-inf2 9329 ax-cnex 10858 ax-resscn 10859 ax-1cn 10860 ax-icn 10861 ax-addcl 10862 ax-addrcl 10863 ax-mulcl 10864 ax-mulrcl 10865 ax-mulcom 10866 ax-addass 10867 ax-mulass 10868 ax-distr 10869 ax-i2m1 10870 ax-1ne0 10871 ax-1rid 10872 ax-rnegex 10873 ax-rrecex 10874 ax-cnre 10875 ax-pre-lttri 10876 ax-pre-lttrn 10877 ax-pre-ltadd 10878 ax-pre-mulgt0 10879 ax-pre-sup 10880 ax-addf 10881 ax-mulf 10882 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-nel 3049 df-ral 3068 df-rex 3069 df-reu 3070 df-rmo 3071 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3902 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-tp 4563 df-op 4565 df-uni 4837 df-int 4877 df-iun 4923 df-iin 4924 df-br 5071 df-opab 5133 df-mpt 5154 df-tr 5188 df-id 5480 df-eprel 5486 df-po 5494 df-so 5495 df-fr 5535 df-se 5536 df-we 5537 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-pred 6191 df-ord 6254 df-on 6255 df-lim 6256 df-suc 6257 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-isom 6427 df-riota 7212 df-ov 7258 df-oprab 7259 df-mpo 7260 df-of 7511 df-om 7688 df-1st 7804 df-2nd 7805 df-supp 7949 df-frecs 8068 df-wrecs 8099 df-recs 8173 df-rdg 8212 df-1o 8267 df-2o 8268 df-oadd 8271 df-er 8456 df-map 8575 df-pm 8576 df-ixp 8644 df-en 8692 df-dom 8693 df-sdom 8694 df-fin 8695 df-fsupp 9059 df-fi 9100 df-sup 9131 df-inf 9132 df-oi 9199 df-dju 9590 df-card 9628 df-pnf 10942 df-mnf 10943 df-xr 10944 df-ltxr 10945 df-le 10946 df-sub 11137 df-neg 11138 df-div 11563 df-nn 11904 df-2 11966 df-3 11967 df-4 11968 df-5 11969 df-6 11970 df-7 11971 df-8 11972 df-9 11973 df-n0 12164 df-z 12250 df-dec 12367 df-uz 12512 df-q 12618 df-rp 12660 df-xneg 12777 df-xadd 12778 df-xmul 12779 df-ioo 13012 df-ioc 13013 df-ico 13014 df-icc 13015 df-fz 13169 df-fzo 13312 df-fl 13440 df-mod 13518 df-seq 13650 df-exp 13711 df-fac 13916 df-bc 13945 df-hash 13973 df-shft 14706 df-cj 14738 df-re 14739 df-im 14740 df-sqrt 14874 df-abs 14875 df-limsup 15108 df-clim 15125 df-rlim 15126 df-sum 15326 df-ef 15705 df-sin 15707 df-cos 15708 df-pi 15710 df-dvds 15892 df-prm 16305 df-struct 16776 df-sets 16793 df-slot 16811 df-ndx 16823 df-base 16841 df-ress 16868 df-plusg 16901 df-mulr 16902 df-starv 16903 df-sca 16904 df-vsca 16905 df-ip 16906 df-tset 16907 df-ple 16908 df-ds 16910 df-unif 16911 df-hom 16912 df-cco 16913 df-rest 17050 df-topn 17051 df-0g 17069 df-gsum 17070 df-topgen 17071 df-pt 17072 df-prds 17075 df-xrs 17130 df-qtop 17135 df-imas 17136 df-xps 17138 df-mre 17212 df-mrc 17213 df-acs 17215 df-mgm 18241 df-sgrp 18290 df-mnd 18301 df-submnd 18346 df-mulg 18616 df-cntz 18838 df-cmn 19303 df-psmet 20502 df-xmet 20503 df-met 20504 df-bl 20505 df-mopn 20506 df-fbas 20507 df-fg 20508 df-cnfld 20511 df-top 21951 df-topon 21968 df-topsp 21990 df-bases 22004 df-cld 22078 df-ntr 22079 df-cls 22080 df-nei 22157 df-lp 22195 df-perf 22196 df-cn 22286 df-cnp 22287 df-haus 22374 df-tx 22621 df-hmeo 22814 df-fil 22905 df-fm 22997 df-flim 22998 df-flf 22999 df-xms 23381 df-ms 23382 df-tms 23383 df-cncf 23947 df-limc 24935 df-dv 24936 df-log 25617 df-vma 26152 |
This theorem is referenced by: isppw2 26169 |
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