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Mirrors > Home > ILE Home > Th. List > dvdsprime | GIF version |
Description: If 𝑀 divides a prime, then 𝑀 is either the prime or one. (Contributed by Scott Fenton, 8-Apr-2014.) |
Ref | Expression |
---|---|
dvdsprime | ⊢ ((𝑃 ∈ ℙ ∧ 𝑀 ∈ ℕ) → (𝑀 ∥ 𝑃 ↔ (𝑀 = 𝑃 ∨ 𝑀 = 1))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | isprm2 11966 | . . 3 ⊢ (𝑃 ∈ ℙ ↔ (𝑃 ∈ (ℤ≥‘2) ∧ ∀𝑚 ∈ ℕ (𝑚 ∥ 𝑃 → (𝑚 = 1 ∨ 𝑚 = 𝑃)))) | |
2 | breq1 3964 | . . . . . 6 ⊢ (𝑚 = 𝑀 → (𝑚 ∥ 𝑃 ↔ 𝑀 ∥ 𝑃)) | |
3 | eqeq1 2161 | . . . . . . . 8 ⊢ (𝑚 = 𝑀 → (𝑚 = 1 ↔ 𝑀 = 1)) | |
4 | eqeq1 2161 | . . . . . . . 8 ⊢ (𝑚 = 𝑀 → (𝑚 = 𝑃 ↔ 𝑀 = 𝑃)) | |
5 | 3, 4 | orbi12d 783 | . . . . . . 7 ⊢ (𝑚 = 𝑀 → ((𝑚 = 1 ∨ 𝑚 = 𝑃) ↔ (𝑀 = 1 ∨ 𝑀 = 𝑃))) |
6 | orcom 718 | . . . . . . 7 ⊢ ((𝑀 = 1 ∨ 𝑀 = 𝑃) ↔ (𝑀 = 𝑃 ∨ 𝑀 = 1)) | |
7 | 5, 6 | bitrdi 195 | . . . . . 6 ⊢ (𝑚 = 𝑀 → ((𝑚 = 1 ∨ 𝑚 = 𝑃) ↔ (𝑀 = 𝑃 ∨ 𝑀 = 1))) |
8 | 2, 7 | imbi12d 233 | . . . . 5 ⊢ (𝑚 = 𝑀 → ((𝑚 ∥ 𝑃 → (𝑚 = 1 ∨ 𝑚 = 𝑃)) ↔ (𝑀 ∥ 𝑃 → (𝑀 = 𝑃 ∨ 𝑀 = 1)))) |
9 | 8 | rspccva 2812 | . . . 4 ⊢ ((∀𝑚 ∈ ℕ (𝑚 ∥ 𝑃 → (𝑚 = 1 ∨ 𝑚 = 𝑃)) ∧ 𝑀 ∈ ℕ) → (𝑀 ∥ 𝑃 → (𝑀 = 𝑃 ∨ 𝑀 = 1))) |
10 | 9 | adantll 468 | . . 3 ⊢ (((𝑃 ∈ (ℤ≥‘2) ∧ ∀𝑚 ∈ ℕ (𝑚 ∥ 𝑃 → (𝑚 = 1 ∨ 𝑚 = 𝑃))) ∧ 𝑀 ∈ ℕ) → (𝑀 ∥ 𝑃 → (𝑀 = 𝑃 ∨ 𝑀 = 1))) |
11 | 1, 10 | sylanb 282 | . 2 ⊢ ((𝑃 ∈ ℙ ∧ 𝑀 ∈ ℕ) → (𝑀 ∥ 𝑃 → (𝑀 = 𝑃 ∨ 𝑀 = 1))) |
12 | prmz 11960 | . . . . . 6 ⊢ (𝑃 ∈ ℙ → 𝑃 ∈ ℤ) | |
13 | iddvds 11673 | . . . . . 6 ⊢ (𝑃 ∈ ℤ → 𝑃 ∥ 𝑃) | |
14 | 12, 13 | syl 14 | . . . . 5 ⊢ (𝑃 ∈ ℙ → 𝑃 ∥ 𝑃) |
15 | 14 | adantr 274 | . . . 4 ⊢ ((𝑃 ∈ ℙ ∧ 𝑀 ∈ ℕ) → 𝑃 ∥ 𝑃) |
16 | breq1 3964 | . . . 4 ⊢ (𝑀 = 𝑃 → (𝑀 ∥ 𝑃 ↔ 𝑃 ∥ 𝑃)) | |
17 | 15, 16 | syl5ibrcom 156 | . . 3 ⊢ ((𝑃 ∈ ℙ ∧ 𝑀 ∈ ℕ) → (𝑀 = 𝑃 → 𝑀 ∥ 𝑃)) |
18 | 1dvds 11674 | . . . . . 6 ⊢ (𝑃 ∈ ℤ → 1 ∥ 𝑃) | |
19 | 12, 18 | syl 14 | . . . . 5 ⊢ (𝑃 ∈ ℙ → 1 ∥ 𝑃) |
20 | 19 | adantr 274 | . . . 4 ⊢ ((𝑃 ∈ ℙ ∧ 𝑀 ∈ ℕ) → 1 ∥ 𝑃) |
21 | breq1 3964 | . . . 4 ⊢ (𝑀 = 1 → (𝑀 ∥ 𝑃 ↔ 1 ∥ 𝑃)) | |
22 | 20, 21 | syl5ibrcom 156 | . . 3 ⊢ ((𝑃 ∈ ℙ ∧ 𝑀 ∈ ℕ) → (𝑀 = 1 → 𝑀 ∥ 𝑃)) |
23 | 17, 22 | jaod 707 | . 2 ⊢ ((𝑃 ∈ ℙ ∧ 𝑀 ∈ ℕ) → ((𝑀 = 𝑃 ∨ 𝑀 = 1) → 𝑀 ∥ 𝑃)) |
24 | 11, 23 | impbid 128 | 1 ⊢ ((𝑃 ∈ ℙ ∧ 𝑀 ∈ ℕ) → (𝑀 ∥ 𝑃 ↔ (𝑀 = 𝑃 ∨ 𝑀 = 1))) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 103 ↔ wb 104 ∨ wo 698 = wceq 1332 ∈ wcel 2125 ∀wral 2432 class class class wbr 3961 ‘cfv 5163 1c1 7712 ℕcn 8812 2c2 8863 ℤcz 9146 ℤ≥cuz 9418 ∥ cdvds 11660 ℙcprime 11956 |
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 604 ax-in2 605 ax-io 699 ax-5 1424 ax-7 1425 ax-gen 1426 ax-ie1 1470 ax-ie2 1471 ax-8 1481 ax-10 1482 ax-11 1483 ax-i12 1484 ax-bndl 1486 ax-4 1487 ax-17 1503 ax-i9 1507 ax-ial 1511 ax-i5r 1512 ax-13 2127 ax-14 2128 ax-ext 2136 ax-coll 4075 ax-sep 4078 ax-nul 4086 ax-pow 4130 ax-pr 4164 ax-un 4388 ax-setind 4490 ax-iinf 4541 ax-cnex 7802 ax-resscn 7803 ax-1cn 7804 ax-1re 7805 ax-icn 7806 ax-addcl 7807 ax-addrcl 7808 ax-mulcl 7809 ax-mulrcl 7810 ax-addcom 7811 ax-mulcom 7812 ax-addass 7813 ax-mulass 7814 ax-distr 7815 ax-i2m1 7816 ax-0lt1 7817 ax-1rid 7818 ax-0id 7819 ax-rnegex 7820 ax-precex 7821 ax-cnre 7822 ax-pre-ltirr 7823 ax-pre-ltwlin 7824 ax-pre-lttrn 7825 ax-pre-apti 7826 ax-pre-ltadd 7827 ax-pre-mulgt0 7828 ax-pre-mulext 7829 ax-arch 7830 ax-caucvg 7831 |
This theorem depends on definitions: df-bi 116 df-dc 821 df-3or 964 df-3an 965 df-tru 1335 df-fal 1338 df-nf 1438 df-sb 1740 df-eu 2006 df-mo 2007 df-clab 2141 df-cleq 2147 df-clel 2150 df-nfc 2285 df-ne 2325 df-nel 2420 df-ral 2437 df-rex 2438 df-reu 2439 df-rmo 2440 df-rab 2441 df-v 2711 df-sbc 2934 df-csb 3028 df-dif 3100 df-un 3102 df-in 3104 df-ss 3111 df-nul 3391 df-if 3502 df-pw 3541 df-sn 3562 df-pr 3563 df-op 3565 df-uni 3769 df-int 3804 df-iun 3847 df-br 3962 df-opab 4022 df-mpt 4023 df-tr 4059 df-id 4248 df-po 4251 df-iso 4252 df-iord 4321 df-on 4323 df-ilim 4324 df-suc 4326 df-iom 4544 df-xp 4585 df-rel 4586 df-cnv 4587 df-co 4588 df-dm 4589 df-rn 4590 df-res 4591 df-ima 4592 df-iota 5128 df-fun 5165 df-fn 5166 df-f 5167 df-f1 5168 df-fo 5169 df-f1o 5170 df-fv 5171 df-riota 5770 df-ov 5817 df-oprab 5818 df-mpo 5819 df-1st 6078 df-2nd 6079 df-recs 6242 df-frec 6328 df-1o 6353 df-2o 6354 df-er 6469 df-en 6675 df-pnf 7893 df-mnf 7894 df-xr 7895 df-ltxr 7896 df-le 7897 df-sub 8027 df-neg 8028 df-reap 8429 df-ap 8436 df-div 8525 df-inn 8813 df-2 8871 df-3 8872 df-4 8873 df-n0 9070 df-z 9147 df-uz 9419 df-q 9507 df-rp 9539 df-seqfrec 10323 df-exp 10397 df-cj 10719 df-re 10720 df-im 10721 df-rsqrt 10875 df-abs 10876 df-dvds 11661 df-prm 11957 |
This theorem is referenced by: prm2orodd 11975 |
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