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Mirrors > Home > ILE Home > Th. List > dvdsprmpweqnn | GIF version |
Description: If an integer greater than 1 divides a prime power, it is a (proper) prime power. (Contributed by AV, 13-Aug-2021.) |
Ref | Expression |
---|---|
dvdsprmpweqnn | ⊢ ((𝑃 ∈ ℙ ∧ 𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℕ0) → (𝐴 ∥ (𝑃↑𝑁) → ∃𝑛 ∈ ℕ 𝐴 = (𝑃↑𝑛))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eluz2nn 9525 | . . . . 5 ⊢ (𝐴 ∈ (ℤ≥‘2) → 𝐴 ∈ ℕ) | |
2 | dvdsprmpweq 12288 | . . . . 5 ⊢ ((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℕ ∧ 𝑁 ∈ ℕ0) → (𝐴 ∥ (𝑃↑𝑁) → ∃𝑛 ∈ ℕ0 𝐴 = (𝑃↑𝑛))) | |
3 | 1, 2 | syl3an2 1267 | . . . 4 ⊢ ((𝑃 ∈ ℙ ∧ 𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℕ0) → (𝐴 ∥ (𝑃↑𝑁) → ∃𝑛 ∈ ℕ0 𝐴 = (𝑃↑𝑛))) |
4 | 3 | imp 123 | . . 3 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℕ0) ∧ 𝐴 ∥ (𝑃↑𝑁)) → ∃𝑛 ∈ ℕ0 𝐴 = (𝑃↑𝑛)) |
5 | df-n0 9136 | . . . . . 6 ⊢ ℕ0 = (ℕ ∪ {0}) | |
6 | 5 | rexeqi 2670 | . . . . 5 ⊢ (∃𝑛 ∈ ℕ0 𝐴 = (𝑃↑𝑛) ↔ ∃𝑛 ∈ (ℕ ∪ {0})𝐴 = (𝑃↑𝑛)) |
7 | rexun 3307 | . . . . 5 ⊢ (∃𝑛 ∈ (ℕ ∪ {0})𝐴 = (𝑃↑𝑛) ↔ (∃𝑛 ∈ ℕ 𝐴 = (𝑃↑𝑛) ∨ ∃𝑛 ∈ {0}𝐴 = (𝑃↑𝑛))) | |
8 | 6, 7 | bitri 183 | . . . 4 ⊢ (∃𝑛 ∈ ℕ0 𝐴 = (𝑃↑𝑛) ↔ (∃𝑛 ∈ ℕ 𝐴 = (𝑃↑𝑛) ∨ ∃𝑛 ∈ {0}𝐴 = (𝑃↑𝑛))) |
9 | 0z 9223 | . . . . . . 7 ⊢ 0 ∈ ℤ | |
10 | oveq2 5861 | . . . . . . . . 9 ⊢ (𝑛 = 0 → (𝑃↑𝑛) = (𝑃↑0)) | |
11 | 10 | eqeq2d 2182 | . . . . . . . 8 ⊢ (𝑛 = 0 → (𝐴 = (𝑃↑𝑛) ↔ 𝐴 = (𝑃↑0))) |
12 | 11 | rexsng 3624 | . . . . . . 7 ⊢ (0 ∈ ℤ → (∃𝑛 ∈ {0}𝐴 = (𝑃↑𝑛) ↔ 𝐴 = (𝑃↑0))) |
13 | 9, 12 | ax-mp 5 | . . . . . 6 ⊢ (∃𝑛 ∈ {0}𝐴 = (𝑃↑𝑛) ↔ 𝐴 = (𝑃↑0)) |
14 | prmnn 12064 | . . . . . . . . . . . . 13 ⊢ (𝑃 ∈ ℙ → 𝑃 ∈ ℕ) | |
15 | 14 | nncnd 8892 | . . . . . . . . . . . 12 ⊢ (𝑃 ∈ ℙ → 𝑃 ∈ ℂ) |
16 | 15 | exp0d 10603 | . . . . . . . . . . 11 ⊢ (𝑃 ∈ ℙ → (𝑃↑0) = 1) |
17 | 16 | 3ad2ant1 1013 | . . . . . . . . . 10 ⊢ ((𝑃 ∈ ℙ ∧ 𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℕ0) → (𝑃↑0) = 1) |
18 | 17 | eqeq2d 2182 | . . . . . . . . 9 ⊢ ((𝑃 ∈ ℙ ∧ 𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℕ0) → (𝐴 = (𝑃↑0) ↔ 𝐴 = 1)) |
19 | eluz2b3 9563 | . . . . . . . . . . 11 ⊢ (𝐴 ∈ (ℤ≥‘2) ↔ (𝐴 ∈ ℕ ∧ 𝐴 ≠ 1)) | |
20 | eqneqall 2350 | . . . . . . . . . . . 12 ⊢ (𝐴 = 1 → (𝐴 ≠ 1 → (𝐴 ∥ (𝑃↑𝑁) → ∃𝑛 ∈ ℕ 𝐴 = (𝑃↑𝑛)))) | |
21 | 20 | com12 30 | . . . . . . . . . . 11 ⊢ (𝐴 ≠ 1 → (𝐴 = 1 → (𝐴 ∥ (𝑃↑𝑁) → ∃𝑛 ∈ ℕ 𝐴 = (𝑃↑𝑛)))) |
22 | 19, 21 | simplbiim 385 | . . . . . . . . . 10 ⊢ (𝐴 ∈ (ℤ≥‘2) → (𝐴 = 1 → (𝐴 ∥ (𝑃↑𝑁) → ∃𝑛 ∈ ℕ 𝐴 = (𝑃↑𝑛)))) |
23 | 22 | 3ad2ant2 1014 | . . . . . . . . 9 ⊢ ((𝑃 ∈ ℙ ∧ 𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℕ0) → (𝐴 = 1 → (𝐴 ∥ (𝑃↑𝑁) → ∃𝑛 ∈ ℕ 𝐴 = (𝑃↑𝑛)))) |
24 | 18, 23 | sylbid 149 | . . . . . . . 8 ⊢ ((𝑃 ∈ ℙ ∧ 𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℕ0) → (𝐴 = (𝑃↑0) → (𝐴 ∥ (𝑃↑𝑁) → ∃𝑛 ∈ ℕ 𝐴 = (𝑃↑𝑛)))) |
25 | 24 | com12 30 | . . . . . . 7 ⊢ (𝐴 = (𝑃↑0) → ((𝑃 ∈ ℙ ∧ 𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℕ0) → (𝐴 ∥ (𝑃↑𝑁) → ∃𝑛 ∈ ℕ 𝐴 = (𝑃↑𝑛)))) |
26 | 25 | impd 252 | . . . . . 6 ⊢ (𝐴 = (𝑃↑0) → (((𝑃 ∈ ℙ ∧ 𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℕ0) ∧ 𝐴 ∥ (𝑃↑𝑁)) → ∃𝑛 ∈ ℕ 𝐴 = (𝑃↑𝑛))) |
27 | 13, 26 | sylbi 120 | . . . . 5 ⊢ (∃𝑛 ∈ {0}𝐴 = (𝑃↑𝑛) → (((𝑃 ∈ ℙ ∧ 𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℕ0) ∧ 𝐴 ∥ (𝑃↑𝑁)) → ∃𝑛 ∈ ℕ 𝐴 = (𝑃↑𝑛))) |
28 | 27 | jao1i 791 | . . . 4 ⊢ ((∃𝑛 ∈ ℕ 𝐴 = (𝑃↑𝑛) ∨ ∃𝑛 ∈ {0}𝐴 = (𝑃↑𝑛)) → (((𝑃 ∈ ℙ ∧ 𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℕ0) ∧ 𝐴 ∥ (𝑃↑𝑁)) → ∃𝑛 ∈ ℕ 𝐴 = (𝑃↑𝑛))) |
29 | 8, 28 | sylbi 120 | . . 3 ⊢ (∃𝑛 ∈ ℕ0 𝐴 = (𝑃↑𝑛) → (((𝑃 ∈ ℙ ∧ 𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℕ0) ∧ 𝐴 ∥ (𝑃↑𝑁)) → ∃𝑛 ∈ ℕ 𝐴 = (𝑃↑𝑛))) |
30 | 4, 29 | mpcom 36 | . 2 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℕ0) ∧ 𝐴 ∥ (𝑃↑𝑁)) → ∃𝑛 ∈ ℕ 𝐴 = (𝑃↑𝑛)) |
31 | 30 | ex 114 | 1 ⊢ ((𝑃 ∈ ℙ ∧ 𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℕ0) → (𝐴 ∥ (𝑃↑𝑁) → ∃𝑛 ∈ ℕ 𝐴 = (𝑃↑𝑛))) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 103 ↔ wb 104 ∨ wo 703 ∧ w3a 973 = wceq 1348 ∈ wcel 2141 ≠ wne 2340 ∃wrex 2449 ∪ cun 3119 {csn 3583 class class class wbr 3989 ‘cfv 5198 (class class class)co 5853 0cc0 7774 1c1 7775 ℕcn 8878 2c2 8929 ℕ0cn0 9135 ℤcz 9212 ℤ≥cuz 9487 ↑cexp 10475 ∥ cdvds 11749 ℙcprime 12061 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 609 ax-in2 610 ax-io 704 ax-5 1440 ax-7 1441 ax-gen 1442 ax-ie1 1486 ax-ie2 1487 ax-8 1497 ax-10 1498 ax-11 1499 ax-i12 1500 ax-bndl 1502 ax-4 1503 ax-17 1519 ax-i9 1523 ax-ial 1527 ax-i5r 1528 ax-13 2143 ax-14 2144 ax-ext 2152 ax-coll 4104 ax-sep 4107 ax-nul 4115 ax-pow 4160 ax-pr 4194 ax-un 4418 ax-setind 4521 ax-iinf 4572 ax-cnex 7865 ax-resscn 7866 ax-1cn 7867 ax-1re 7868 ax-icn 7869 ax-addcl 7870 ax-addrcl 7871 ax-mulcl 7872 ax-mulrcl 7873 ax-addcom 7874 ax-mulcom 7875 ax-addass 7876 ax-mulass 7877 ax-distr 7878 ax-i2m1 7879 ax-0lt1 7880 ax-1rid 7881 ax-0id 7882 ax-rnegex 7883 ax-precex 7884 ax-cnre 7885 ax-pre-ltirr 7886 ax-pre-ltwlin 7887 ax-pre-lttrn 7888 ax-pre-apti 7889 ax-pre-ltadd 7890 ax-pre-mulgt0 7891 ax-pre-mulext 7892 ax-arch 7893 ax-caucvg 7894 |
This theorem depends on definitions: df-bi 116 df-stab 826 df-dc 830 df-3or 974 df-3an 975 df-tru 1351 df-fal 1354 df-nf 1454 df-sb 1756 df-eu 2022 df-mo 2023 df-clab 2157 df-cleq 2163 df-clel 2166 df-nfc 2301 df-ne 2341 df-nel 2436 df-ral 2453 df-rex 2454 df-reu 2455 df-rmo 2456 df-rab 2457 df-v 2732 df-sbc 2956 df-csb 3050 df-dif 3123 df-un 3125 df-in 3127 df-ss 3134 df-nul 3415 df-if 3527 df-pw 3568 df-sn 3589 df-pr 3590 df-op 3592 df-uni 3797 df-int 3832 df-iun 3875 df-br 3990 df-opab 4051 df-mpt 4052 df-tr 4088 df-id 4278 df-po 4281 df-iso 4282 df-iord 4351 df-on 4353 df-ilim 4354 df-suc 4356 df-iom 4575 df-xp 4617 df-rel 4618 df-cnv 4619 df-co 4620 df-dm 4621 df-rn 4622 df-res 4623 df-ima 4624 df-iota 5160 df-fun 5200 df-fn 5201 df-f 5202 df-f1 5203 df-fo 5204 df-f1o 5205 df-fv 5206 df-isom 5207 df-riota 5809 df-ov 5856 df-oprab 5857 df-mpo 5858 df-1st 6119 df-2nd 6120 df-recs 6284 df-frec 6370 df-1o 6395 df-2o 6396 df-er 6513 df-en 6719 df-sup 6961 df-inf 6962 df-pnf 7956 df-mnf 7957 df-xr 7958 df-ltxr 7959 df-le 7960 df-sub 8092 df-neg 8093 df-reap 8494 df-ap 8501 df-div 8590 df-inn 8879 df-2 8937 df-3 8938 df-4 8939 df-n0 9136 df-xnn0 9199 df-z 9213 df-uz 9488 df-q 9579 df-rp 9611 df-fz 9966 df-fzo 10099 df-fl 10226 df-mod 10279 df-seqfrec 10402 df-exp 10476 df-cj 10806 df-re 10807 df-im 10808 df-rsqrt 10962 df-abs 10963 df-dvds 11750 df-gcd 11898 df-prm 12062 df-pc 12239 |
This theorem is referenced by: difsqpwdvds 12291 |
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