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Mirrors > Home > MPE Home > Th. List > dvdsprmpweqnn | Structured version Visualization version 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 12623 | . . . . 5 ⊢ (𝐴 ∈ (ℤ≥‘2) → 𝐴 ∈ ℕ) | |
2 | dvdsprmpweq 16583 | . . . . 5 ⊢ ((𝑃 ∈ ℙ ∧ 𝐴 ∈ ℕ ∧ 𝑁 ∈ ℕ0) → (𝐴 ∥ (𝑃↑𝑁) → ∃𝑛 ∈ ℕ0 𝐴 = (𝑃↑𝑛))) | |
3 | 1, 2 | syl3an2 1163 | . . . 4 ⊢ ((𝑃 ∈ ℙ ∧ 𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℕ0) → (𝐴 ∥ (𝑃↑𝑁) → ∃𝑛 ∈ ℕ0 𝐴 = (𝑃↑𝑛))) |
4 | 3 | imp 407 | . . 3 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℕ0) ∧ 𝐴 ∥ (𝑃↑𝑁)) → ∃𝑛 ∈ ℕ0 𝐴 = (𝑃↑𝑛)) |
5 | df-n0 12234 | . . . . . 6 ⊢ ℕ0 = (ℕ ∪ {0}) | |
6 | 5 | rexeqi 3346 | . . . . 5 ⊢ (∃𝑛 ∈ ℕ0 𝐴 = (𝑃↑𝑛) ↔ ∃𝑛 ∈ (ℕ ∪ {0})𝐴 = (𝑃↑𝑛)) |
7 | rexun 4129 | . . . . 5 ⊢ (∃𝑛 ∈ (ℕ ∪ {0})𝐴 = (𝑃↑𝑛) ↔ (∃𝑛 ∈ ℕ 𝐴 = (𝑃↑𝑛) ∨ ∃𝑛 ∈ {0}𝐴 = (𝑃↑𝑛))) | |
8 | 6, 7 | bitri 274 | . . . 4 ⊢ (∃𝑛 ∈ ℕ0 𝐴 = (𝑃↑𝑛) ↔ (∃𝑛 ∈ ℕ 𝐴 = (𝑃↑𝑛) ∨ ∃𝑛 ∈ {0}𝐴 = (𝑃↑𝑛))) |
9 | 0z 12330 | . . . . . . 7 ⊢ 0 ∈ ℤ | |
10 | oveq2 7279 | . . . . . . . . 9 ⊢ (𝑛 = 0 → (𝑃↑𝑛) = (𝑃↑0)) | |
11 | 10 | eqeq2d 2751 | . . . . . . . 8 ⊢ (𝑛 = 0 → (𝐴 = (𝑃↑𝑛) ↔ 𝐴 = (𝑃↑0))) |
12 | 11 | rexsng 4616 | . . . . . . 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 16377 | . . . . . . . . . . . . 13 ⊢ (𝑃 ∈ ℙ → 𝑃 ∈ ℕ) | |
15 | 14 | nncnd 11989 | . . . . . . . . . . . 12 ⊢ (𝑃 ∈ ℙ → 𝑃 ∈ ℂ) |
16 | 15 | exp0d 13856 | . . . . . . . . . . 11 ⊢ (𝑃 ∈ ℙ → (𝑃↑0) = 1) |
17 | 16 | 3ad2ant1 1132 | . . . . . . . . . 10 ⊢ ((𝑃 ∈ ℙ ∧ 𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℕ0) → (𝑃↑0) = 1) |
18 | 17 | eqeq2d 2751 | . . . . . . . . 9 ⊢ ((𝑃 ∈ ℙ ∧ 𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℕ0) → (𝐴 = (𝑃↑0) ↔ 𝐴 = 1)) |
19 | eluz2b3 12661 | . . . . . . . . . . 11 ⊢ (𝐴 ∈ (ℤ≥‘2) ↔ (𝐴 ∈ ℕ ∧ 𝐴 ≠ 1)) | |
20 | eqneqall 2956 | . . . . . . . . . . . 12 ⊢ (𝐴 = 1 → (𝐴 ≠ 1 → (𝐴 ∥ (𝑃↑𝑁) → ∃𝑛 ∈ ℕ 𝐴 = (𝑃↑𝑛)))) | |
21 | 20 | com12 32 | . . . . . . . . . . 11 ⊢ (𝐴 ≠ 1 → (𝐴 = 1 → (𝐴 ∥ (𝑃↑𝑁) → ∃𝑛 ∈ ℕ 𝐴 = (𝑃↑𝑛)))) |
22 | 19, 21 | simplbiim 505 | . . . . . . . . . 10 ⊢ (𝐴 ∈ (ℤ≥‘2) → (𝐴 = 1 → (𝐴 ∥ (𝑃↑𝑁) → ∃𝑛 ∈ ℕ 𝐴 = (𝑃↑𝑛)))) |
23 | 22 | 3ad2ant2 1133 | . . . . . . . . 9 ⊢ ((𝑃 ∈ ℙ ∧ 𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℕ0) → (𝐴 = 1 → (𝐴 ∥ (𝑃↑𝑁) → ∃𝑛 ∈ ℕ 𝐴 = (𝑃↑𝑛)))) |
24 | 18, 23 | sylbid 239 | . . . . . . . 8 ⊢ ((𝑃 ∈ ℙ ∧ 𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℕ0) → (𝐴 = (𝑃↑0) → (𝐴 ∥ (𝑃↑𝑁) → ∃𝑛 ∈ ℕ 𝐴 = (𝑃↑𝑛)))) |
25 | 24 | com12 32 | . . . . . . 7 ⊢ (𝐴 = (𝑃↑0) → ((𝑃 ∈ ℙ ∧ 𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℕ0) → (𝐴 ∥ (𝑃↑𝑁) → ∃𝑛 ∈ ℕ 𝐴 = (𝑃↑𝑛)))) |
26 | 25 | impd 411 | . . . . . 6 ⊢ (𝐴 = (𝑃↑0) → (((𝑃 ∈ ℙ ∧ 𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℕ0) ∧ 𝐴 ∥ (𝑃↑𝑁)) → ∃𝑛 ∈ ℕ 𝐴 = (𝑃↑𝑛))) |
27 | 13, 26 | sylbi 216 | . . . . 5 ⊢ (∃𝑛 ∈ {0}𝐴 = (𝑃↑𝑛) → (((𝑃 ∈ ℙ ∧ 𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℕ0) ∧ 𝐴 ∥ (𝑃↑𝑁)) → ∃𝑛 ∈ ℕ 𝐴 = (𝑃↑𝑛))) |
28 | 27 | jao1i 855 | . . . 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 216 | . . 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 38 | . 2 ⊢ (((𝑃 ∈ ℙ ∧ 𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℕ0) ∧ 𝐴 ∥ (𝑃↑𝑁)) → ∃𝑛 ∈ ℕ 𝐴 = (𝑃↑𝑛)) |
31 | 30 | ex 413 | 1 ⊢ ((𝑃 ∈ ℙ ∧ 𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℕ0) → (𝐴 ∥ (𝑃↑𝑁) → ∃𝑛 ∈ ℕ 𝐴 = (𝑃↑𝑛))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 396 ∨ wo 844 ∧ w3a 1086 = wceq 1542 ∈ wcel 2110 ≠ wne 2945 ∃wrex 3067 ∪ cun 3890 {csn 4567 class class class wbr 5079 ‘cfv 6432 (class class class)co 7271 0cc0 10872 1c1 10873 ℕcn 11973 2c2 12028 ℕ0cn0 12233 ℤcz 12319 ℤ≥cuz 12581 ↑cexp 13780 ∥ cdvds 15961 ℙcprime 16374 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1975 ax-7 2015 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2158 ax-12 2175 ax-ext 2711 ax-sep 5227 ax-nul 5234 ax-pow 5292 ax-pr 5356 ax-un 7582 ax-cnex 10928 ax-resscn 10929 ax-1cn 10930 ax-icn 10931 ax-addcl 10932 ax-addrcl 10933 ax-mulcl 10934 ax-mulrcl 10935 ax-mulcom 10936 ax-addass 10937 ax-mulass 10938 ax-distr 10939 ax-i2m1 10940 ax-1ne0 10941 ax-1rid 10942 ax-rnegex 10943 ax-rrecex 10944 ax-cnre 10945 ax-pre-lttri 10946 ax-pre-lttrn 10947 ax-pre-ltadd 10948 ax-pre-mulgt0 10949 ax-pre-sup 10950 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1545 df-fal 1555 df-ex 1787 df-nf 1791 df-sb 2072 df-mo 2542 df-eu 2571 df-clab 2718 df-cleq 2732 df-clel 2818 df-nfc 2891 df-ne 2946 df-nel 3052 df-ral 3071 df-rex 3072 df-reu 3073 df-rmo 3074 df-rab 3075 df-v 3433 df-sbc 3721 df-csb 3838 df-dif 3895 df-un 3897 df-in 3899 df-ss 3909 df-pss 3911 df-nul 4263 df-if 4466 df-pw 4541 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4846 df-iun 4932 df-br 5080 df-opab 5142 df-mpt 5163 df-tr 5197 df-id 5490 df-eprel 5496 df-po 5504 df-so 5505 df-fr 5545 df-we 5547 df-xp 5596 df-rel 5597 df-cnv 5598 df-co 5599 df-dm 5600 df-rn 5601 df-res 5602 df-ima 5603 df-pred 6201 df-ord 6268 df-on 6269 df-lim 6270 df-suc 6271 df-iota 6390 df-fun 6434 df-fn 6435 df-f 6436 df-f1 6437 df-fo 6438 df-f1o 6439 df-fv 6440 df-riota 7228 df-ov 7274 df-oprab 7275 df-mpo 7276 df-om 7707 df-1st 7824 df-2nd 7825 df-frecs 8088 df-wrecs 8119 df-recs 8193 df-rdg 8232 df-1o 8288 df-2o 8289 df-er 8481 df-en 8717 df-dom 8718 df-sdom 8719 df-fin 8720 df-sup 9179 df-inf 9180 df-pnf 11012 df-mnf 11013 df-xr 11014 df-ltxr 11015 df-le 11016 df-sub 11207 df-neg 11208 df-div 11633 df-nn 11974 df-2 12036 df-3 12037 df-n0 12234 df-z 12320 df-uz 12582 df-q 12688 df-rp 12730 df-fz 13239 df-fl 13510 df-mod 13588 df-seq 13720 df-exp 13781 df-cj 14808 df-re 14809 df-im 14810 df-sqrt 14944 df-abs 14945 df-dvds 15962 df-gcd 16200 df-prm 16375 df-pc 16536 |
This theorem is referenced by: difsqpwdvds 16586 lighneallem4 45031 |
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