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Mirrors > Home > MPE Home > Th. List > prmgapprmolem | Structured version Visualization version GIF version |
Description: Lemma for prmgapprmo 16691: The primorial of a number plus an integer greater than 1 and less then or equal to the number are not coprime. (Contributed by AV, 15-Aug-2020.) (Revised by AV, 29-Aug-2020.) |
Ref | Expression |
---|---|
prmgapprmolem | ⊢ ((𝑁 ∈ ℕ ∧ 𝐼 ∈ (2...𝑁)) → 1 < (((#p‘𝑁) + 𝐼) gcd 𝐼)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | prmuz2 16329 | . . . . 5 ⊢ (𝑝 ∈ ℙ → 𝑝 ∈ (ℤ≥‘2)) | |
2 | 1 | ad2antlr 723 | . . . 4 ⊢ ((((𝑁 ∈ ℕ ∧ 𝐼 ∈ (2...𝑁)) ∧ 𝑝 ∈ ℙ) ∧ (𝑝 ≤ 𝑁 ∧ 𝑝 ∥ 𝐼 ∧ 𝑝 ∥ ((#p‘𝑁) + 𝐼))) → 𝑝 ∈ (ℤ≥‘2)) |
3 | breq1 5073 | . . . . . 6 ⊢ (𝑞 = 𝑝 → (𝑞 ∥ ((#p‘𝑁) + 𝐼) ↔ 𝑝 ∥ ((#p‘𝑁) + 𝐼))) | |
4 | breq1 5073 | . . . . . 6 ⊢ (𝑞 = 𝑝 → (𝑞 ∥ 𝐼 ↔ 𝑝 ∥ 𝐼)) | |
5 | 3, 4 | anbi12d 630 | . . . . 5 ⊢ (𝑞 = 𝑝 → ((𝑞 ∥ ((#p‘𝑁) + 𝐼) ∧ 𝑞 ∥ 𝐼) ↔ (𝑝 ∥ ((#p‘𝑁) + 𝐼) ∧ 𝑝 ∥ 𝐼))) |
6 | 5 | adantl 481 | . . . 4 ⊢ (((((𝑁 ∈ ℕ ∧ 𝐼 ∈ (2...𝑁)) ∧ 𝑝 ∈ ℙ) ∧ (𝑝 ≤ 𝑁 ∧ 𝑝 ∥ 𝐼 ∧ 𝑝 ∥ ((#p‘𝑁) + 𝐼))) ∧ 𝑞 = 𝑝) → ((𝑞 ∥ ((#p‘𝑁) + 𝐼) ∧ 𝑞 ∥ 𝐼) ↔ (𝑝 ∥ ((#p‘𝑁) + 𝐼) ∧ 𝑝 ∥ 𝐼))) |
7 | pm3.22 459 | . . . . . 6 ⊢ ((𝑝 ∥ 𝐼 ∧ 𝑝 ∥ ((#p‘𝑁) + 𝐼)) → (𝑝 ∥ ((#p‘𝑁) + 𝐼) ∧ 𝑝 ∥ 𝐼)) | |
8 | 7 | 3adant1 1128 | . . . . 5 ⊢ ((𝑝 ≤ 𝑁 ∧ 𝑝 ∥ 𝐼 ∧ 𝑝 ∥ ((#p‘𝑁) + 𝐼)) → (𝑝 ∥ ((#p‘𝑁) + 𝐼) ∧ 𝑝 ∥ 𝐼)) |
9 | 8 | adantl 481 | . . . 4 ⊢ ((((𝑁 ∈ ℕ ∧ 𝐼 ∈ (2...𝑁)) ∧ 𝑝 ∈ ℙ) ∧ (𝑝 ≤ 𝑁 ∧ 𝑝 ∥ 𝐼 ∧ 𝑝 ∥ ((#p‘𝑁) + 𝐼))) → (𝑝 ∥ ((#p‘𝑁) + 𝐼) ∧ 𝑝 ∥ 𝐼)) |
10 | 2, 6, 9 | rspcedvd 3555 | . . 3 ⊢ ((((𝑁 ∈ ℕ ∧ 𝐼 ∈ (2...𝑁)) ∧ 𝑝 ∈ ℙ) ∧ (𝑝 ≤ 𝑁 ∧ 𝑝 ∥ 𝐼 ∧ 𝑝 ∥ ((#p‘𝑁) + 𝐼))) → ∃𝑞 ∈ (ℤ≥‘2)(𝑞 ∥ ((#p‘𝑁) + 𝐼) ∧ 𝑞 ∥ 𝐼)) |
11 | prmdvdsprmop 16672 | . . 3 ⊢ ((𝑁 ∈ ℕ ∧ 𝐼 ∈ (2...𝑁)) → ∃𝑝 ∈ ℙ (𝑝 ≤ 𝑁 ∧ 𝑝 ∥ 𝐼 ∧ 𝑝 ∥ ((#p‘𝑁) + 𝐼))) | |
12 | 10, 11 | r19.29a 3217 | . 2 ⊢ ((𝑁 ∈ ℕ ∧ 𝐼 ∈ (2...𝑁)) → ∃𝑞 ∈ (ℤ≥‘2)(𝑞 ∥ ((#p‘𝑁) + 𝐼) ∧ 𝑞 ∥ 𝐼)) |
13 | nnnn0 12170 | . . . . 5 ⊢ (𝑁 ∈ ℕ → 𝑁 ∈ ℕ0) | |
14 | prmocl 16663 | . . . . 5 ⊢ (𝑁 ∈ ℕ0 → (#p‘𝑁) ∈ ℕ) | |
15 | 13, 14 | syl 17 | . . . 4 ⊢ (𝑁 ∈ ℕ → (#p‘𝑁) ∈ ℕ) |
16 | elfzuz 13181 | . . . . 5 ⊢ (𝐼 ∈ (2...𝑁) → 𝐼 ∈ (ℤ≥‘2)) | |
17 | eluz2nn 12553 | . . . . 5 ⊢ (𝐼 ∈ (ℤ≥‘2) → 𝐼 ∈ ℕ) | |
18 | 16, 17 | syl 17 | . . . 4 ⊢ (𝐼 ∈ (2...𝑁) → 𝐼 ∈ ℕ) |
19 | nnaddcl 11926 | . . . 4 ⊢ (((#p‘𝑁) ∈ ℕ ∧ 𝐼 ∈ ℕ) → ((#p‘𝑁) + 𝐼) ∈ ℕ) | |
20 | 15, 18, 19 | syl2an 595 | . . 3 ⊢ ((𝑁 ∈ ℕ ∧ 𝐼 ∈ (2...𝑁)) → ((#p‘𝑁) + 𝐼) ∈ ℕ) |
21 | 18 | adantl 481 | . . 3 ⊢ ((𝑁 ∈ ℕ ∧ 𝐼 ∈ (2...𝑁)) → 𝐼 ∈ ℕ) |
22 | ncoprmgcdgt1b 16284 | . . 3 ⊢ ((((#p‘𝑁) + 𝐼) ∈ ℕ ∧ 𝐼 ∈ ℕ) → (∃𝑞 ∈ (ℤ≥‘2)(𝑞 ∥ ((#p‘𝑁) + 𝐼) ∧ 𝑞 ∥ 𝐼) ↔ 1 < (((#p‘𝑁) + 𝐼) gcd 𝐼))) | |
23 | 20, 21, 22 | syl2anc 583 | . 2 ⊢ ((𝑁 ∈ ℕ ∧ 𝐼 ∈ (2...𝑁)) → (∃𝑞 ∈ (ℤ≥‘2)(𝑞 ∥ ((#p‘𝑁) + 𝐼) ∧ 𝑞 ∥ 𝐼) ↔ 1 < (((#p‘𝑁) + 𝐼) gcd 𝐼))) |
24 | 12, 23 | mpbid 231 | 1 ⊢ ((𝑁 ∈ ℕ ∧ 𝐼 ∈ (2...𝑁)) → 1 < (((#p‘𝑁) + 𝐼) gcd 𝐼)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 395 ∧ w3a 1085 ∈ wcel 2108 ∃wrex 3064 class class class wbr 5070 ‘cfv 6418 (class class class)co 7255 1c1 10803 + caddc 10805 < clt 10940 ≤ cle 10941 ℕcn 11903 2c2 11958 ℕ0cn0 12163 ℤ≥cuz 12511 ...cfz 13168 ∥ cdvds 15891 gcd cgcd 16129 ℙcprime 16304 #pcprmo 16660 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-rep 5205 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 ax-inf2 9329 ax-cnex 10858 ax-resscn 10859 ax-1cn 10860 ax-icn 10861 ax-addcl 10862 ax-addrcl 10863 ax-mulcl 10864 ax-mulrcl 10865 ax-mulcom 10866 ax-addass 10867 ax-mulass 10868 ax-distr 10869 ax-i2m1 10870 ax-1ne0 10871 ax-1rid 10872 ax-rnegex 10873 ax-rrecex 10874 ax-cnre 10875 ax-pre-lttri 10876 ax-pre-lttrn 10877 ax-pre-ltadd 10878 ax-pre-mulgt0 10879 ax-pre-sup 10880 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-nel 3049 df-ral 3068 df-rex 3069 df-reu 3070 df-rmo 3071 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3902 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-tp 4563 df-op 4565 df-uni 4837 df-int 4877 df-iun 4923 df-br 5071 df-opab 5133 df-mpt 5154 df-tr 5188 df-id 5480 df-eprel 5486 df-po 5494 df-so 5495 df-fr 5535 df-se 5536 df-we 5537 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-pred 6191 df-ord 6254 df-on 6255 df-lim 6256 df-suc 6257 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-isom 6427 df-riota 7212 df-ov 7258 df-oprab 7259 df-mpo 7260 df-om 7688 df-1st 7804 df-2nd 7805 df-frecs 8068 df-wrecs 8099 df-recs 8173 df-rdg 8212 df-1o 8267 df-2o 8268 df-er 8456 df-en 8692 df-dom 8693 df-sdom 8694 df-fin 8695 df-sup 9131 df-inf 9132 df-oi 9199 df-card 9628 df-pnf 10942 df-mnf 10943 df-xr 10944 df-ltxr 10945 df-le 10946 df-sub 11137 df-neg 11138 df-div 11563 df-nn 11904 df-2 11966 df-3 11967 df-n0 12164 df-z 12250 df-uz 12512 df-rp 12660 df-fz 13169 df-fzo 13312 df-seq 13650 df-exp 13711 df-hash 13973 df-cj 14738 df-re 14739 df-im 14740 df-sqrt 14874 df-abs 14875 df-clim 15125 df-prod 15544 df-dvds 15892 df-gcd 16130 df-prm 16305 df-prmo 16661 |
This theorem is referenced by: prmgapprmo 16691 |
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