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Mirrors > Home > MPE Home > Th. List > prmdvdsexpr | Structured version Visualization version GIF version |
Description: If a prime divides a nonnegative power of another, then they are equal. (Contributed by Mario Carneiro, 16-Jan-2015.) |
Ref | Expression |
---|---|
prmdvdsexpr | ⊢ ((𝑃 ∈ ℙ ∧ 𝑄 ∈ ℙ ∧ 𝑁 ∈ ℕ0) → (𝑃 ∥ (𝑄↑𝑁) → 𝑃 = 𝑄)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elnn0 12165 | . . 3 ⊢ (𝑁 ∈ ℕ0 ↔ (𝑁 ∈ ℕ ∨ 𝑁 = 0)) | |
2 | prmdvdsexpb 16349 | . . . . . 6 ⊢ ((𝑃 ∈ ℙ ∧ 𝑄 ∈ ℙ ∧ 𝑁 ∈ ℕ) → (𝑃 ∥ (𝑄↑𝑁) ↔ 𝑃 = 𝑄)) | |
3 | 2 | biimpd 228 | . . . . 5 ⊢ ((𝑃 ∈ ℙ ∧ 𝑄 ∈ ℙ ∧ 𝑁 ∈ ℕ) → (𝑃 ∥ (𝑄↑𝑁) → 𝑃 = 𝑄)) |
4 | 3 | 3expia 1119 | . . . 4 ⊢ ((𝑃 ∈ ℙ ∧ 𝑄 ∈ ℙ) → (𝑁 ∈ ℕ → (𝑃 ∥ (𝑄↑𝑁) → 𝑃 = 𝑄))) |
5 | prmnn 16307 | . . . . . . . . . 10 ⊢ (𝑄 ∈ ℙ → 𝑄 ∈ ℕ) | |
6 | 5 | adantl 481 | . . . . . . . . 9 ⊢ ((𝑃 ∈ ℙ ∧ 𝑄 ∈ ℙ) → 𝑄 ∈ ℕ) |
7 | 6 | nncnd 11919 | . . . . . . . 8 ⊢ ((𝑃 ∈ ℙ ∧ 𝑄 ∈ ℙ) → 𝑄 ∈ ℂ) |
8 | 7 | exp0d 13786 | . . . . . . 7 ⊢ ((𝑃 ∈ ℙ ∧ 𝑄 ∈ ℙ) → (𝑄↑0) = 1) |
9 | 8 | breq2d 5082 | . . . . . 6 ⊢ ((𝑃 ∈ ℙ ∧ 𝑄 ∈ ℙ) → (𝑃 ∥ (𝑄↑0) ↔ 𝑃 ∥ 1)) |
10 | nprmdvds1 16339 | . . . . . . . 8 ⊢ (𝑃 ∈ ℙ → ¬ 𝑃 ∥ 1) | |
11 | 10 | pm2.21d 121 | . . . . . . 7 ⊢ (𝑃 ∈ ℙ → (𝑃 ∥ 1 → 𝑃 = 𝑄)) |
12 | 11 | adantr 480 | . . . . . 6 ⊢ ((𝑃 ∈ ℙ ∧ 𝑄 ∈ ℙ) → (𝑃 ∥ 1 → 𝑃 = 𝑄)) |
13 | 9, 12 | sylbid 239 | . . . . 5 ⊢ ((𝑃 ∈ ℙ ∧ 𝑄 ∈ ℙ) → (𝑃 ∥ (𝑄↑0) → 𝑃 = 𝑄)) |
14 | oveq2 7263 | . . . . . . 7 ⊢ (𝑁 = 0 → (𝑄↑𝑁) = (𝑄↑0)) | |
15 | 14 | breq2d 5082 | . . . . . 6 ⊢ (𝑁 = 0 → (𝑃 ∥ (𝑄↑𝑁) ↔ 𝑃 ∥ (𝑄↑0))) |
16 | 15 | imbi1d 341 | . . . . 5 ⊢ (𝑁 = 0 → ((𝑃 ∥ (𝑄↑𝑁) → 𝑃 = 𝑄) ↔ (𝑃 ∥ (𝑄↑0) → 𝑃 = 𝑄))) |
17 | 13, 16 | syl5ibrcom 246 | . . . 4 ⊢ ((𝑃 ∈ ℙ ∧ 𝑄 ∈ ℙ) → (𝑁 = 0 → (𝑃 ∥ (𝑄↑𝑁) → 𝑃 = 𝑄))) |
18 | 4, 17 | jaod 855 | . . 3 ⊢ ((𝑃 ∈ ℙ ∧ 𝑄 ∈ ℙ) → ((𝑁 ∈ ℕ ∨ 𝑁 = 0) → (𝑃 ∥ (𝑄↑𝑁) → 𝑃 = 𝑄))) |
19 | 1, 18 | syl5bi 241 | . 2 ⊢ ((𝑃 ∈ ℙ ∧ 𝑄 ∈ ℙ) → (𝑁 ∈ ℕ0 → (𝑃 ∥ (𝑄↑𝑁) → 𝑃 = 𝑄))) |
20 | 19 | 3impia 1115 | 1 ⊢ ((𝑃 ∈ ℙ ∧ 𝑄 ∈ ℙ ∧ 𝑁 ∈ ℕ0) → (𝑃 ∥ (𝑄↑𝑁) → 𝑃 = 𝑄)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 ∨ wo 843 ∧ w3a 1085 = wceq 1539 ∈ wcel 2108 class class class wbr 5070 (class class class)co 7255 0cc0 10802 1c1 10803 ℕcn 11903 ℕ0cn0 12163 ↑cexp 13710 ∥ cdvds 15891 ℙcprime 16304 |
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-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 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 |
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-iun 4923 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-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-riota 7212 df-ov 7258 df-oprab 7259 df-mpo 7260 df-om 7688 df-2nd 7805 df-frecs 8068 df-wrecs 8099 df-recs 8173 df-rdg 8212 df-1o 8267 df-2o 8268 df-er 8456 df-en 8692 df-dom 8693 df-sdom 8694 df-fin 8695 df-sup 9131 df-inf 9132 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-n0 12164 df-z 12250 df-uz 12512 df-rp 12660 df-fl 13440 df-mod 13518 df-seq 13650 df-exp 13711 df-cj 14738 df-re 14739 df-im 14740 df-sqrt 14874 df-abs 14875 df-dvds 15892 df-gcd 16130 df-prm 16305 |
This theorem is referenced by: pcprmpw2 16511 pcmpt 16521 pgpfi 19125 ablfac1eulem 19590 isppw2 26169 |
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