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Mirrors > Home > MPE Home > Th. List > dvdsprime | Structured version Visualization version 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 15233 | . . 3 ⊢ (𝑃 ∈ ℙ ↔ (𝑃 ∈ (ℤ≥‘2) ∧ ∀𝑚 ∈ ℕ (𝑚 ∥ 𝑃 → (𝑚 = 1 ∨ 𝑚 = 𝑃)))) | |
2 | breq1 4586 | . . . . . 6 ⊢ (𝑚 = 𝑀 → (𝑚 ∥ 𝑃 ↔ 𝑀 ∥ 𝑃)) | |
3 | eqeq1 2614 | . . . . . . . 8 ⊢ (𝑚 = 𝑀 → (𝑚 = 1 ↔ 𝑀 = 1)) | |
4 | eqeq1 2614 | . . . . . . . 8 ⊢ (𝑚 = 𝑀 → (𝑚 = 𝑃 ↔ 𝑀 = 𝑃)) | |
5 | 3, 4 | orbi12d 742 | . . . . . . 7 ⊢ (𝑚 = 𝑀 → ((𝑚 = 1 ∨ 𝑚 = 𝑃) ↔ (𝑀 = 1 ∨ 𝑀 = 𝑃))) |
6 | orcom 401 | . . . . . . 7 ⊢ ((𝑀 = 1 ∨ 𝑀 = 𝑃) ↔ (𝑀 = 𝑃 ∨ 𝑀 = 1)) | |
7 | 5, 6 | syl6bb 275 | . . . . . 6 ⊢ (𝑚 = 𝑀 → ((𝑚 = 1 ∨ 𝑚 = 𝑃) ↔ (𝑀 = 𝑃 ∨ 𝑀 = 1))) |
8 | 2, 7 | imbi12d 333 | . . . . 5 ⊢ (𝑚 = 𝑀 → ((𝑚 ∥ 𝑃 → (𝑚 = 1 ∨ 𝑚 = 𝑃)) ↔ (𝑀 ∥ 𝑃 → (𝑀 = 𝑃 ∨ 𝑀 = 1)))) |
9 | 8 | rspccva 3281 | . . . 4 ⊢ ((∀𝑚 ∈ ℕ (𝑚 ∥ 𝑃 → (𝑚 = 1 ∨ 𝑚 = 𝑃)) ∧ 𝑀 ∈ ℕ) → (𝑀 ∥ 𝑃 → (𝑀 = 𝑃 ∨ 𝑀 = 1))) |
10 | 9 | adantll 746 | . . 3 ⊢ (((𝑃 ∈ (ℤ≥‘2) ∧ ∀𝑚 ∈ ℕ (𝑚 ∥ 𝑃 → (𝑚 = 1 ∨ 𝑚 = 𝑃))) ∧ 𝑀 ∈ ℕ) → (𝑀 ∥ 𝑃 → (𝑀 = 𝑃 ∨ 𝑀 = 1))) |
11 | 1, 10 | sylanb 488 | . 2 ⊢ ((𝑃 ∈ ℙ ∧ 𝑀 ∈ ℕ) → (𝑀 ∥ 𝑃 → (𝑀 = 𝑃 ∨ 𝑀 = 1))) |
12 | prmz 15227 | . . . . . 6 ⊢ (𝑃 ∈ ℙ → 𝑃 ∈ ℤ) | |
13 | iddvds 14833 | . . . . . 6 ⊢ (𝑃 ∈ ℤ → 𝑃 ∥ 𝑃) | |
14 | 12, 13 | syl 17 | . . . . 5 ⊢ (𝑃 ∈ ℙ → 𝑃 ∥ 𝑃) |
15 | 14 | adantr 480 | . . . 4 ⊢ ((𝑃 ∈ ℙ ∧ 𝑀 ∈ ℕ) → 𝑃 ∥ 𝑃) |
16 | breq1 4586 | . . . 4 ⊢ (𝑀 = 𝑃 → (𝑀 ∥ 𝑃 ↔ 𝑃 ∥ 𝑃)) | |
17 | 15, 16 | syl5ibrcom 236 | . . 3 ⊢ ((𝑃 ∈ ℙ ∧ 𝑀 ∈ ℕ) → (𝑀 = 𝑃 → 𝑀 ∥ 𝑃)) |
18 | 1dvds 14834 | . . . . . 6 ⊢ (𝑃 ∈ ℤ → 1 ∥ 𝑃) | |
19 | 12, 18 | syl 17 | . . . . 5 ⊢ (𝑃 ∈ ℙ → 1 ∥ 𝑃) |
20 | 19 | adantr 480 | . . . 4 ⊢ ((𝑃 ∈ ℙ ∧ 𝑀 ∈ ℕ) → 1 ∥ 𝑃) |
21 | breq1 4586 | . . . 4 ⊢ (𝑀 = 1 → (𝑀 ∥ 𝑃 ↔ 1 ∥ 𝑃)) | |
22 | 20, 21 | syl5ibrcom 236 | . . 3 ⊢ ((𝑃 ∈ ℙ ∧ 𝑀 ∈ ℕ) → (𝑀 = 1 → 𝑀 ∥ 𝑃)) |
23 | 17, 22 | jaod 394 | . 2 ⊢ ((𝑃 ∈ ℙ ∧ 𝑀 ∈ ℕ) → ((𝑀 = 𝑃 ∨ 𝑀 = 1) → 𝑀 ∥ 𝑃)) |
24 | 11, 23 | impbid 201 | 1 ⊢ ((𝑃 ∈ ℙ ∧ 𝑀 ∈ ℕ) → (𝑀 ∥ 𝑃 ↔ (𝑀 = 𝑃 ∨ 𝑀 = 1))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 195 ∨ wo 382 ∧ wa 383 = wceq 1475 ∈ wcel 1977 ∀wral 2896 class class class wbr 4583 ‘cfv 5804 1c1 9816 ℕcn 10897 2c2 10947 ℤcz 11254 ℤ≥cuz 11563 ∥ cdvds 14821 ℙcprime 15223 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-8 1979 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-sep 4709 ax-nul 4717 ax-pow 4769 ax-pr 4833 ax-un 6847 ax-cnex 9871 ax-resscn 9872 ax-1cn 9873 ax-icn 9874 ax-addcl 9875 ax-addrcl 9876 ax-mulcl 9877 ax-mulrcl 9878 ax-mulcom 9879 ax-addass 9880 ax-mulass 9881 ax-distr 9882 ax-i2m1 9883 ax-1ne0 9884 ax-1rid 9885 ax-rnegex 9886 ax-rrecex 9887 ax-cnre 9888 ax-pre-lttri 9889 ax-pre-lttrn 9890 ax-pre-ltadd 9891 ax-pre-mulgt0 9892 ax-pre-sup 9893 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3or 1032 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ne 2782 df-nel 2783 df-ral 2901 df-rex 2902 df-reu 2903 df-rmo 2904 df-rab 2905 df-v 3175 df-sbc 3403 df-csb 3500 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-pss 3556 df-nul 3875 df-if 4037 df-pw 4110 df-sn 4126 df-pr 4128 df-tp 4130 df-op 4132 df-uni 4373 df-int 4411 df-iun 4457 df-br 4584 df-opab 4644 df-mpt 4645 df-tr 4681 df-eprel 4949 df-id 4953 df-po 4959 df-so 4960 df-fr 4997 df-we 4999 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-rn 5049 df-res 5050 df-ima 5051 df-pred 5597 df-ord 5643 df-on 5644 df-lim 5645 df-suc 5646 df-iota 5768 df-fun 5806 df-fn 5807 df-f 5808 df-f1 5809 df-fo 5810 df-f1o 5811 df-fv 5812 df-riota 6511 df-ov 6552 df-oprab 6553 df-mpt2 6554 df-om 6958 df-2nd 7060 df-wrecs 7294 df-recs 7355 df-rdg 7393 df-1o 7447 df-2o 7448 df-oadd 7451 df-er 7629 df-en 7842 df-dom 7843 df-sdom 7844 df-fin 7845 df-sup 8231 df-pnf 9955 df-mnf 9956 df-xr 9957 df-ltxr 9958 df-le 9959 df-sub 10147 df-neg 10148 df-div 10564 df-nn 10898 df-2 10956 df-3 10957 df-n0 11170 df-z 11255 df-uz 11564 df-rp 11709 df-seq 12664 df-exp 12723 df-cj 13687 df-re 13688 df-im 13689 df-sqrt 13823 df-abs 13824 df-dvds 14822 df-prm 15224 |
This theorem is referenced by: prm2orodd 15242 pythagtriplem4 15362 odcau 17842 prmcyg 18118 2lgs 24932 goldbachthlem2 39996 fmtnofac1 40020 oddprmALTV 40136 |
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