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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 12439 | . . 3 ⊢ (𝑁 ∈ ℕ0 ↔ (𝑁 ∈ ℕ ∨ 𝑁 = 0)) | |
| 2 | prmdvdsexpb 16686 | . . . . . 6 ⊢ ((𝑃 ∈ ℙ ∧ 𝑄 ∈ ℙ ∧ 𝑁 ∈ ℕ) → (𝑃 ∥ (𝑄↑𝑁) ↔ 𝑃 = 𝑄)) | |
| 3 | 2 | biimpd 229 | . . . . 5 ⊢ ((𝑃 ∈ ℙ ∧ 𝑄 ∈ ℙ ∧ 𝑁 ∈ ℕ) → (𝑃 ∥ (𝑄↑𝑁) → 𝑃 = 𝑄)) |
| 4 | 3 | 3expia 1122 | . . . 4 ⊢ ((𝑃 ∈ ℙ ∧ 𝑄 ∈ ℙ) → (𝑁 ∈ ℕ → (𝑃 ∥ (𝑄↑𝑁) → 𝑃 = 𝑄))) |
| 5 | prmnn 16643 | . . . . . . . . . 10 ⊢ (𝑄 ∈ ℙ → 𝑄 ∈ ℕ) | |
| 6 | 5 | adantl 481 | . . . . . . . . 9 ⊢ ((𝑃 ∈ ℙ ∧ 𝑄 ∈ ℙ) → 𝑄 ∈ ℕ) |
| 7 | 6 | nncnd 12190 | . . . . . . . 8 ⊢ ((𝑃 ∈ ℙ ∧ 𝑄 ∈ ℙ) → 𝑄 ∈ ℂ) |
| 8 | 7 | exp0d 14102 | . . . . . . 7 ⊢ ((𝑃 ∈ ℙ ∧ 𝑄 ∈ ℙ) → (𝑄↑0) = 1) |
| 9 | 8 | breq2d 5098 | . . . . . 6 ⊢ ((𝑃 ∈ ℙ ∧ 𝑄 ∈ ℙ) → (𝑃 ∥ (𝑄↑0) ↔ 𝑃 ∥ 1)) |
| 10 | nprmdvds1 16676 | . . . . . . . 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 240 | . . . . 5 ⊢ ((𝑃 ∈ ℙ ∧ 𝑄 ∈ ℙ) → (𝑃 ∥ (𝑄↑0) → 𝑃 = 𝑄)) |
| 14 | oveq2 7375 | . . . . . . 7 ⊢ (𝑁 = 0 → (𝑄↑𝑁) = (𝑄↑0)) | |
| 15 | 14 | breq2d 5098 | . . . . . 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 247 | . . . 4 ⊢ ((𝑃 ∈ ℙ ∧ 𝑄 ∈ ℙ) → (𝑁 = 0 → (𝑃 ∥ (𝑄↑𝑁) → 𝑃 = 𝑄))) |
| 18 | 4, 17 | jaod 860 | . . 3 ⊢ ((𝑃 ∈ ℙ ∧ 𝑄 ∈ ℙ) → ((𝑁 ∈ ℕ ∨ 𝑁 = 0) → (𝑃 ∥ (𝑄↑𝑁) → 𝑃 = 𝑄))) |
| 19 | 1, 18 | biimtrid 242 | . 2 ⊢ ((𝑃 ∈ ℙ ∧ 𝑄 ∈ ℙ) → (𝑁 ∈ ℕ0 → (𝑃 ∥ (𝑄↑𝑁) → 𝑃 = 𝑄))) |
| 20 | 19 | 3impia 1118 | 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 848 ∧ w3a 1087 = wceq 1542 ∈ wcel 2114 class class class wbr 5086 (class class class)co 7367 0cc0 11038 1c1 11039 ℕcn 12174 ℕ0cn0 12437 ↑cexp 14023 ∥ cdvds 16221 ℙcprime 16640 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5232 ax-nul 5242 ax-pow 5308 ax-pr 5376 ax-un 7689 ax-cnex 11094 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 ax-pre-mulgt0 11115 ax-pre-sup 11116 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rmo 3343 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5526 df-eprel 5531 df-po 5539 df-so 5540 df-fr 5584 df-we 5586 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-pred 6266 df-ord 6327 df-on 6328 df-lim 6329 df-suc 6330 df-iota 6455 df-fun 6501 df-fn 6502 df-f 6503 df-f1 6504 df-fo 6505 df-f1o 6506 df-fv 6507 df-riota 7324 df-ov 7370 df-oprab 7371 df-mpo 7372 df-om 7818 df-2nd 7943 df-frecs 8231 df-wrecs 8262 df-recs 8311 df-rdg 8349 df-1o 8405 df-2o 8406 df-er 8643 df-en 8894 df-dom 8895 df-sdom 8896 df-fin 8897 df-sup 9355 df-inf 9356 df-pnf 11181 df-mnf 11182 df-xr 11183 df-ltxr 11184 df-le 11185 df-sub 11379 df-neg 11380 df-div 11808 df-nn 12175 df-2 12244 df-3 12245 df-n0 12438 df-z 12525 df-uz 12789 df-rp 12943 df-fl 13751 df-mod 13829 df-seq 13964 df-exp 14024 df-cj 15061 df-re 15062 df-im 15063 df-sqrt 15197 df-abs 15198 df-dvds 16222 df-gcd 16464 df-prm 16641 |
| This theorem is referenced by: pcprmpw2 16853 pcmpt 16863 pgpfi 19580 ablfac1eulem 20049 isppw2 27078 2sqr3nconstr 33925 cos9thpinconstrlem2 33934 aks6d1c2p2 42558 |
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