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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 12045 | . . 3 ⊢ (𝑃 ∈ ℙ ↔ (𝑃 ∈ (ℤ≥‘2) ∧ ∀𝑚 ∈ ℕ (𝑚 ∥ 𝑃 → (𝑚 = 1 ∨ 𝑚 = 𝑃)))) | |
2 | breq1 3984 | . . . . . 6 ⊢ (𝑚 = 𝑀 → (𝑚 ∥ 𝑃 ↔ 𝑀 ∥ 𝑃)) | |
3 | eqeq1 2172 | . . . . . . . 8 ⊢ (𝑚 = 𝑀 → (𝑚 = 1 ↔ 𝑀 = 1)) | |
4 | eqeq1 2172 | . . . . . . . 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 2828 | . . . 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 12039 | . . . . . 6 ⊢ (𝑃 ∈ ℙ → 𝑃 ∈ ℤ) | |
13 | iddvds 11740 | . . . . . 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 3984 | . . . 4 ⊢ (𝑀 = 𝑃 → (𝑀 ∥ 𝑃 ↔ 𝑃 ∥ 𝑃)) | |
17 | 15, 16 | syl5ibrcom 156 | . . 3 ⊢ ((𝑃 ∈ ℙ ∧ 𝑀 ∈ ℕ) → (𝑀 = 𝑃 → 𝑀 ∥ 𝑃)) |
18 | 1dvds 11741 | . . . . . 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 3984 | . . . 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 1343 ∈ wcel 2136 ∀wral 2443 class class class wbr 3981 ‘cfv 5187 1c1 7750 ℕcn 8853 2c2 8904 ℤcz 9187 ℤ≥cuz 9462 ∥ cdvds 11723 ℙcprime 12035 |
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 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-13 2138 ax-14 2139 ax-ext 2147 ax-coll 4096 ax-sep 4099 ax-nul 4107 ax-pow 4152 ax-pr 4186 ax-un 4410 ax-setind 4513 ax-iinf 4564 ax-cnex 7840 ax-resscn 7841 ax-1cn 7842 ax-1re 7843 ax-icn 7844 ax-addcl 7845 ax-addrcl 7846 ax-mulcl 7847 ax-mulrcl 7848 ax-addcom 7849 ax-mulcom 7850 ax-addass 7851 ax-mulass 7852 ax-distr 7853 ax-i2m1 7854 ax-0lt1 7855 ax-1rid 7856 ax-0id 7857 ax-rnegex 7858 ax-precex 7859 ax-cnre 7860 ax-pre-ltirr 7861 ax-pre-ltwlin 7862 ax-pre-lttrn 7863 ax-pre-apti 7864 ax-pre-ltadd 7865 ax-pre-mulgt0 7866 ax-pre-mulext 7867 ax-arch 7868 ax-caucvg 7869 |
This theorem depends on definitions: df-bi 116 df-dc 825 df-3or 969 df-3an 970 df-tru 1346 df-fal 1349 df-nf 1449 df-sb 1751 df-eu 2017 df-mo 2018 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2296 df-ne 2336 df-nel 2431 df-ral 2448 df-rex 2449 df-reu 2450 df-rmo 2451 df-rab 2452 df-v 2727 df-sbc 2951 df-csb 3045 df-dif 3117 df-un 3119 df-in 3121 df-ss 3128 df-nul 3409 df-if 3520 df-pw 3560 df-sn 3581 df-pr 3582 df-op 3584 df-uni 3789 df-int 3824 df-iun 3867 df-br 3982 df-opab 4043 df-mpt 4044 df-tr 4080 df-id 4270 df-po 4273 df-iso 4274 df-iord 4343 df-on 4345 df-ilim 4346 df-suc 4348 df-iom 4567 df-xp 4609 df-rel 4610 df-cnv 4611 df-co 4612 df-dm 4613 df-rn 4614 df-res 4615 df-ima 4616 df-iota 5152 df-fun 5189 df-fn 5190 df-f 5191 df-f1 5192 df-fo 5193 df-f1o 5194 df-fv 5195 df-riota 5797 df-ov 5844 df-oprab 5845 df-mpo 5846 df-1st 6105 df-2nd 6106 df-recs 6269 df-frec 6355 df-1o 6380 df-2o 6381 df-er 6497 df-en 6703 df-pnf 7931 df-mnf 7932 df-xr 7933 df-ltxr 7934 df-le 7935 df-sub 8067 df-neg 8068 df-reap 8469 df-ap 8476 df-div 8565 df-inn 8854 df-2 8912 df-3 8913 df-4 8914 df-n0 9111 df-z 9188 df-uz 9463 df-q 9554 df-rp 9586 df-seqfrec 10377 df-exp 10451 df-cj 10780 df-re 10781 df-im 10782 df-rsqrt 10936 df-abs 10937 df-dvds 11724 df-prm 12036 |
This theorem is referenced by: prm2orodd 12054 pythagtriplem4 12196 |
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