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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 9514 | . . . . 5 ⊢ (𝐴 ∈ (ℤ≥‘2) → 𝐴 ∈ ℕ) | |
2 | dvdsprmpweq 12277 | . . . . 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 9125 | . . . . . 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 9212 | . . . . . . 7 ⊢ 0 ∈ ℤ | |
10 | oveq2 5859 | . . . . . . . . 9 ⊢ (𝑛 = 0 → (𝑃↑𝑛) = (𝑃↑0)) | |
11 | 10 | eqeq2d 2182 | . . . . . . . 8 ⊢ (𝑛 = 0 → (𝐴 = (𝑃↑𝑛) ↔ 𝐴 = (𝑃↑0))) |
12 | 11 | rexsng 3622 | . . . . . . 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 12053 | . . . . . . . . . . . . 13 ⊢ (𝑃 ∈ ℙ → 𝑃 ∈ ℕ) | |
15 | 14 | nncnd 8881 | . . . . . . . . . . . 12 ⊢ (𝑃 ∈ ℙ → 𝑃 ∈ ℂ) |
16 | 15 | exp0d 10592 | . . . . . . . . . . 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 9552 | . . . . . . . . . . 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 3581 class class class wbr 3987 ‘cfv 5196 (class class class)co 5851 0cc0 7763 1c1 7764 ℕcn 8867 2c2 8918 ℕ0cn0 9124 ℤcz 9201 ℤ≥cuz 9476 ↑cexp 10464 ∥ cdvds 11738 ℙcprime 12050 |
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 4102 ax-sep 4105 ax-nul 4113 ax-pow 4158 ax-pr 4192 ax-un 4416 ax-setind 4519 ax-iinf 4570 ax-cnex 7854 ax-resscn 7855 ax-1cn 7856 ax-1re 7857 ax-icn 7858 ax-addcl 7859 ax-addrcl 7860 ax-mulcl 7861 ax-mulrcl 7862 ax-addcom 7863 ax-mulcom 7864 ax-addass 7865 ax-mulass 7866 ax-distr 7867 ax-i2m1 7868 ax-0lt1 7869 ax-1rid 7870 ax-0id 7871 ax-rnegex 7872 ax-precex 7873 ax-cnre 7874 ax-pre-ltirr 7875 ax-pre-ltwlin 7876 ax-pre-lttrn 7877 ax-pre-apti 7878 ax-pre-ltadd 7879 ax-pre-mulgt0 7880 ax-pre-mulext 7881 ax-arch 7882 ax-caucvg 7883 |
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 3526 df-pw 3566 df-sn 3587 df-pr 3588 df-op 3590 df-uni 3795 df-int 3830 df-iun 3873 df-br 3988 df-opab 4049 df-mpt 4050 df-tr 4086 df-id 4276 df-po 4279 df-iso 4280 df-iord 4349 df-on 4351 df-ilim 4352 df-suc 4354 df-iom 4573 df-xp 4615 df-rel 4616 df-cnv 4617 df-co 4618 df-dm 4619 df-rn 4620 df-res 4621 df-ima 4622 df-iota 5158 df-fun 5198 df-fn 5199 df-f 5200 df-f1 5201 df-fo 5202 df-f1o 5203 df-fv 5204 df-isom 5205 df-riota 5807 df-ov 5854 df-oprab 5855 df-mpo 5856 df-1st 6117 df-2nd 6118 df-recs 6282 df-frec 6368 df-1o 6393 df-2o 6394 df-er 6510 df-en 6716 df-sup 6958 df-inf 6959 df-pnf 7945 df-mnf 7946 df-xr 7947 df-ltxr 7948 df-le 7949 df-sub 8081 df-neg 8082 df-reap 8483 df-ap 8490 df-div 8579 df-inn 8868 df-2 8926 df-3 8927 df-4 8928 df-n0 9125 df-xnn0 9188 df-z 9202 df-uz 9477 df-q 9568 df-rp 9600 df-fz 9955 df-fzo 10088 df-fl 10215 df-mod 10268 df-seqfrec 10391 df-exp 10465 df-cj 10795 df-re 10796 df-im 10797 df-rsqrt 10951 df-abs 10952 df-dvds 11739 df-gcd 11887 df-prm 12051 df-pc 12228 |
This theorem is referenced by: difsqpwdvds 12280 |
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