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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 26262 | . . 3 ⊢ (𝐴 ∈ ℕ → (Λ‘𝐴) = if((♯‘{𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}) = 1, (log‘∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}), 0)) |
3 | 2 | neeq1d 3003 | . 2 ⊢ (𝐴 ∈ ℕ → ((Λ‘𝐴) ≠ 0 ↔ if((♯‘{𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}) = 1, (log‘∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}), 0) ≠ 0)) |
4 | reuen1 8815 | . . 3 ⊢ (∃!𝑝 ∈ ℙ 𝑝 ∥ 𝐴 ↔ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ≈ 1o) | |
5 | hash1 14119 | . . . . . . . . . 10 ⊢ (♯‘1o) = 1 | |
6 | 5 | eqeq2i 2751 | . . . . . . . . 9 ⊢ ((♯‘{𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}) = (♯‘1o) ↔ (♯‘{𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}) = 1) |
7 | prmdvdsfi 26256 | . . . . . . . . . 10 ⊢ (𝐴 ∈ ℕ → {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ∈ Fin) | |
8 | 1onn 8470 | . . . . . . . . . . 11 ⊢ 1o ∈ ω | |
9 | nnfi 8950 | . . . . . . . . . . 11 ⊢ (1o ∈ ω → 1o ∈ Fin) | |
10 | 8, 9 | ax-mp 5 | . . . . . . . . . 10 ⊢ 1o ∈ Fin |
11 | hashen 14061 | . . . . . . . . . 10 ⊢ (({𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ∈ Fin ∧ 1o ∈ Fin) → ((♯‘{𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}) = (♯‘1o) ↔ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ≈ 1o)) | |
12 | 7, 10, 11 | sylancl 586 | . . . . . . . . 9 ⊢ (𝐴 ∈ ℕ → ((♯‘{𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}) = (♯‘1o) ↔ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ≈ 1o)) |
13 | 6, 12 | bitr3id 285 | . . . . . . . 8 ⊢ (𝐴 ∈ ℕ → ((♯‘{𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}) = 1 ↔ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ≈ 1o)) |
14 | 13 | biimpar 478 | . . . . . . 7 ⊢ ((𝐴 ∈ ℕ ∧ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ≈ 1o) → (♯‘{𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}) = 1) |
15 | 14 | iftrued 4467 | . . . . . 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 485 | . . . . . . . . . . . . 13 ⊢ ((𝐴 ∈ ℕ ∧ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ≈ 1o) → {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ≈ 1o) | |
17 | en1b 8813 | . . . . . . . . . . . . 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 4013 | . . . . . . . . . . . 12 ⊢ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ⊆ ℙ | |
20 | 18, 19 | eqsstrrdi 3976 | . . . . . . . . . . 11 ⊢ ((𝐴 ∈ ℕ ∧ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ≈ 1o) → {∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}} ⊆ ℙ) |
21 | 7 | uniexd 7595 | . . . . . . . . . . . . 13 ⊢ (𝐴 ∈ ℕ → ∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ∈ V) |
22 | 21 | adantr 481 | . . . . . . . . . . . 12 ⊢ ((𝐴 ∈ ℕ ∧ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ≈ 1o) → ∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ∈ V) |
23 | snssg 4718 | . . . . . . . . . . . 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 16401 | . . . . . . . . . 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 12593 | . . . . . . . . 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 12660 | . . . . . . . . 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 25784 | . . . . . . 7 ⊢ ((𝐴 ∈ ℕ ∧ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ≈ 1o) → (log‘∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}) ∈ ℝ+) |
33 | 32 | rpne0d 12777 | . . . . . 6 ⊢ ((𝐴 ∈ ℕ ∧ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ≈ 1o) → (log‘∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}) ≠ 0) |
34 | 15, 33 | eqnetrd 3011 | . . . . 5 ⊢ ((𝐴 ∈ ℕ ∧ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ≈ 1o) → if((♯‘{𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}) = 1, (log‘∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}), 0) ≠ 0) |
35 | 34 | ex 413 | . . . 4 ⊢ (𝐴 ∈ ℕ → ({𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴} ≈ 1o → if((♯‘{𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}) = 1, (log‘∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}), 0) ≠ 0)) |
36 | iffalse 4468 | . . . . . 6 ⊢ (¬ (♯‘{𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}) = 1 → if((♯‘{𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}) = 1, (log‘∪ {𝑝 ∈ ℙ ∣ 𝑝 ∥ 𝐴}), 0) = 0) | |
37 | 36 | necon1ai 2971 | . . . . 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 | bitrid 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 396 = wceq 1539 ∈ wcel 2106 ≠ wne 2943 ∃!wreu 3066 {crab 3068 Vcvv 3432 ⊆ wss 3887 ifcif 4459 {csn 4561 ∪ cuni 4839 class class class wbr 5074 ‘cfv 6433 ωcom 7712 1oc1o 8290 ≈ cen 8730 Fincfn 8733 ℝcr 10870 0cc0 10871 1c1 10872 < clt 11009 ℕcn 11973 2c2 12028 ℤ≥cuz 12582 ♯chash 14044 ∥ cdvds 15963 ℙcprime 16376 logclog 25710 Λcvma 26241 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-rep 5209 ax-sep 5223 ax-nul 5230 ax-pow 5288 ax-pr 5352 ax-un 7588 ax-inf2 9399 ax-cnex 10927 ax-resscn 10928 ax-1cn 10929 ax-icn 10930 ax-addcl 10931 ax-addrcl 10932 ax-mulcl 10933 ax-mulrcl 10934 ax-mulcom 10935 ax-addass 10936 ax-mulass 10937 ax-distr 10938 ax-i2m1 10939 ax-1ne0 10940 ax-1rid 10941 ax-rnegex 10942 ax-rrecex 10943 ax-cnre 10944 ax-pre-lttri 10945 ax-pre-lttrn 10946 ax-pre-ltadd 10947 ax-pre-mulgt0 10948 ax-pre-sup 10949 ax-addf 10950 ax-mulf 10951 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3069 df-rex 3070 df-rmo 3071 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-pss 3906 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-tp 4566 df-op 4568 df-uni 4840 df-int 4880 df-iun 4926 df-iin 4927 df-br 5075 df-opab 5137 df-mpt 5158 df-tr 5192 df-id 5489 df-eprel 5495 df-po 5503 df-so 5504 df-fr 5544 df-se 5545 df-we 5546 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-pred 6202 df-ord 6269 df-on 6270 df-lim 6271 df-suc 6272 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-isom 6442 df-riota 7232 df-ov 7278 df-oprab 7279 df-mpo 7280 df-of 7533 df-om 7713 df-1st 7831 df-2nd 7832 df-supp 7978 df-frecs 8097 df-wrecs 8128 df-recs 8202 df-rdg 8241 df-1o 8297 df-2o 8298 df-oadd 8301 df-er 8498 df-map 8617 df-pm 8618 df-ixp 8686 df-en 8734 df-dom 8735 df-sdom 8736 df-fin 8737 df-fsupp 9129 df-fi 9170 df-sup 9201 df-inf 9202 df-oi 9269 df-dju 9659 df-card 9697 df-pnf 11011 df-mnf 11012 df-xr 11013 df-ltxr 11014 df-le 11015 df-sub 11207 df-neg 11208 df-div 11633 df-nn 11974 df-2 12036 df-3 12037 df-4 12038 df-5 12039 df-6 12040 df-7 12041 df-8 12042 df-9 12043 df-n0 12234 df-z 12320 df-dec 12438 df-uz 12583 df-q 12689 df-rp 12731 df-xneg 12848 df-xadd 12849 df-xmul 12850 df-ioo 13083 df-ioc 13084 df-ico 13085 df-icc 13086 df-fz 13240 df-fzo 13383 df-fl 13512 df-mod 13590 df-seq 13722 df-exp 13783 df-fac 13988 df-bc 14017 df-hash 14045 df-shft 14778 df-cj 14810 df-re 14811 df-im 14812 df-sqrt 14946 df-abs 14947 df-limsup 15180 df-clim 15197 df-rlim 15198 df-sum 15398 df-ef 15777 df-sin 15779 df-cos 15780 df-pi 15782 df-dvds 15964 df-prm 16377 df-struct 16848 df-sets 16865 df-slot 16883 df-ndx 16895 df-base 16913 df-ress 16942 df-plusg 16975 df-mulr 16976 df-starv 16977 df-sca 16978 df-vsca 16979 df-ip 16980 df-tset 16981 df-ple 16982 df-ds 16984 df-unif 16985 df-hom 16986 df-cco 16987 df-rest 17133 df-topn 17134 df-0g 17152 df-gsum 17153 df-topgen 17154 df-pt 17155 df-prds 17158 df-xrs 17213 df-qtop 17218 df-imas 17219 df-xps 17221 df-mre 17295 df-mrc 17296 df-acs 17298 df-mgm 18326 df-sgrp 18375 df-mnd 18386 df-submnd 18431 df-mulg 18701 df-cntz 18923 df-cmn 19388 df-psmet 20589 df-xmet 20590 df-met 20591 df-bl 20592 df-mopn 20593 df-fbas 20594 df-fg 20595 df-cnfld 20598 df-top 22043 df-topon 22060 df-topsp 22082 df-bases 22096 df-cld 22170 df-ntr 22171 df-cls 22172 df-nei 22249 df-lp 22287 df-perf 22288 df-cn 22378 df-cnp 22379 df-haus 22466 df-tx 22713 df-hmeo 22906 df-fil 22997 df-fm 23089 df-flim 23090 df-flf 23091 df-xms 23473 df-ms 23474 df-tms 23475 df-cncf 24041 df-limc 25030 df-dv 25031 df-log 25712 df-vma 26247 |
This theorem is referenced by: isppw2 26264 |
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