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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 12404 | . . 3 ⊢ (𝑁 ∈ ℕ0 ↔ (𝑁 ∈ ℕ ∨ 𝑁 = 0)) | |
| 2 | prmdvdsexpb 16644 | . . . . . 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 16602 | . . . . . . . . . 10 ⊢ (𝑄 ∈ ℙ → 𝑄 ∈ ℕ) | |
| 6 | 5 | adantl 481 | . . . . . . . . 9 ⊢ ((𝑃 ∈ ℙ ∧ 𝑄 ∈ ℙ) → 𝑄 ∈ ℕ) |
| 7 | 6 | nncnd 12162 | . . . . . . . 8 ⊢ ((𝑃 ∈ ℙ ∧ 𝑄 ∈ ℙ) → 𝑄 ∈ ℂ) |
| 8 | 7 | exp0d 14064 | . . . . . . 7 ⊢ ((𝑃 ∈ ℙ ∧ 𝑄 ∈ ℙ) → (𝑄↑0) = 1) |
| 9 | 8 | breq2d 5098 | . . . . . 6 ⊢ ((𝑃 ∈ ℙ ∧ 𝑄 ∈ ℙ) → (𝑃 ∥ (𝑄↑0) ↔ 𝑃 ∥ 1)) |
| 10 | nprmdvds1 16634 | . . . . . . . 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 7366 | . . . . . . 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 7358 0cc0 11027 1c1 11028 ℕcn 12146 ℕ0cn0 12402 ↑cexp 13985 ∥ cdvds 16180 ℙcprime 16599 |
| 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 5231 ax-nul 5241 ax-pow 5300 ax-pr 5368 ax-un 7680 ax-cnex 11083 ax-resscn 11084 ax-1cn 11085 ax-icn 11086 ax-addcl 11087 ax-addrcl 11088 ax-mulcl 11089 ax-mulrcl 11090 ax-mulcom 11091 ax-addass 11092 ax-mulass 11093 ax-distr 11094 ax-i2m1 11095 ax-1ne0 11096 ax-1rid 11097 ax-rnegex 11098 ax-rrecex 11099 ax-cnre 11100 ax-pre-lttri 11101 ax-pre-lttrn 11102 ax-pre-ltadd 11103 ax-pre-mulgt0 11104 ax-pre-sup 11105 |
| 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 5517 df-eprel 5522 df-po 5530 df-so 5531 df-fr 5575 df-we 5577 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-res 5634 df-ima 5635 df-pred 6257 df-ord 6318 df-on 6319 df-lim 6320 df-suc 6321 df-iota 6446 df-fun 6492 df-fn 6493 df-f 6494 df-f1 6495 df-fo 6496 df-f1o 6497 df-fv 6498 df-riota 7315 df-ov 7361 df-oprab 7362 df-mpo 7363 df-om 7809 df-2nd 7934 df-frecs 8222 df-wrecs 8253 df-recs 8302 df-rdg 8340 df-1o 8396 df-2o 8397 df-er 8634 df-en 8885 df-dom 8886 df-sdom 8887 df-fin 8888 df-sup 9346 df-inf 9347 df-pnf 11169 df-mnf 11170 df-xr 11171 df-ltxr 11172 df-le 11173 df-sub 11367 df-neg 11368 df-div 11796 df-nn 12147 df-2 12209 df-3 12210 df-n0 12403 df-z 12490 df-uz 12753 df-rp 12907 df-fl 13713 df-mod 13791 df-seq 13926 df-exp 13986 df-cj 15023 df-re 15024 df-im 15025 df-sqrt 15159 df-abs 15160 df-dvds 16181 df-gcd 16423 df-prm 16600 |
| This theorem is referenced by: pcprmpw2 16811 pcmpt 16821 pgpfi 19538 ablfac1eulem 20007 isppw2 27065 2sqr3nconstr 33931 cos9thpinconstrlem2 33940 aks6d1c2p2 42550 |
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