Theorem infpn2 16884

Description: There exist infinitely many prime numbers: the set of all primes 𝑆 is unbounded by infpn 16883, so by unben 16880 it is infinite. This is Metamath 100 proof #11. (Contributed by NM, 5-May-2005.)

Hypothesis

Ref	Expression
infpn2.1	⊢ 𝑆 = {𝑛 ∈ ℕ ∣ (1 < 𝑛 ∧ ∀𝑚 ∈ ℕ ((𝑛 / 𝑚) ∈ ℕ → (𝑚 = 1 ∨ 𝑚 = 𝑛)))}

Assertion

Ref	Expression
infpn2	⊢ 𝑆 ≈ ℕ

Distinct variable group:   𝑚,𝑛

Allowed substitution hints:   𝑆(𝑚,𝑛)

Proof of Theorem infpn2

Dummy variables 𝑗 𝑘 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		infpn2.1	. . 3 ⊢ 𝑆 = {𝑛 ∈ ℕ ∣ (1 < 𝑛 ∧ ∀𝑚 ∈ ℕ ((𝑛 / 𝑚) ∈ ℕ → (𝑚 = 1 ∨ 𝑚 = 𝑛)))}
2	1	ssrab3 4022	. 2 ⊢ 𝑆 ⊆ ℕ
3		infpn 16883	. . . . 5 ⊢ (𝑗 ∈ ℕ → ∃𝑘 ∈ ℕ (𝑗 < 𝑘 ∧ ∀𝑚 ∈ ℕ ((𝑘 / 𝑚) ∈ ℕ → (𝑚 = 1 ∨ 𝑚 = 𝑘))))
4		nnge1 12205	. . . . . . . . . . 11 ⊢ (𝑗 ∈ ℕ → 1 ≤ 𝑗)
5	4	adantr 480	. . . . . . . . . 10 ⊢ ((𝑗 ∈ ℕ ∧ 𝑘 ∈ ℕ) → 1 ≤ 𝑗)
6		1re 11144	. . . . . . . . . . 11 ⊢ 1 ∈ ℝ
7		nnre 12181	. . . . . . . . . . 11 ⊢ (𝑗 ∈ ℕ → 𝑗 ∈ ℝ)
8		nnre 12181	. . . . . . . . . . 11 ⊢ (𝑘 ∈ ℕ → 𝑘 ∈ ℝ)
9		lelttr 11236	. . . . . . . . . . 11 ⊢ ((1 ∈ ℝ ∧ 𝑗 ∈ ℝ ∧ 𝑘 ∈ ℝ) → ((1 ≤ 𝑗 ∧ 𝑗 < 𝑘) → 1 < 𝑘))
10	6, 7, 8, 9	mp3an3an 1470	. . . . . . . . . 10 ⊢ ((𝑗 ∈ ℕ ∧ 𝑘 ∈ ℕ) → ((1 ≤ 𝑗 ∧ 𝑗 < 𝑘) → 1 < 𝑘))
11	5, 10	mpand 696	. . . . . . . . 9 ⊢ ((𝑗 ∈ ℕ ∧ 𝑘 ∈ ℕ) → (𝑗 < 𝑘 → 1 < 𝑘))
12	11	ancld 550	. . . . . . . 8 ⊢ ((𝑗 ∈ ℕ ∧ 𝑘 ∈ ℕ) → (𝑗 < 𝑘 → (𝑗 < 𝑘 ∧ 1 < 𝑘)))
13	12	anim1d 612	. . . . . . 7 ⊢ ((𝑗 ∈ ℕ ∧ 𝑘 ∈ ℕ) → ((𝑗 < 𝑘 ∧ ∀𝑚 ∈ ℕ ((𝑘 / 𝑚) ∈ ℕ → (𝑚 = 1 ∨ 𝑚 = 𝑘))) → ((𝑗 < 𝑘 ∧ 1 < 𝑘) ∧ ∀𝑚 ∈ ℕ ((𝑘 / 𝑚) ∈ ℕ → (𝑚 = 1 ∨ 𝑚 = 𝑘)))))
14		anass 468	. . . . . . 7 ⊢ (((𝑗 < 𝑘 ∧ 1 < 𝑘) ∧ ∀𝑚 ∈ ℕ ((𝑘 / 𝑚) ∈ ℕ → (𝑚 = 1 ∨ 𝑚 = 𝑘))) ↔ (𝑗 < 𝑘 ∧ (1 < 𝑘 ∧ ∀𝑚 ∈ ℕ ((𝑘 / 𝑚) ∈ ℕ → (𝑚 = 1 ∨ 𝑚 = 𝑘)))))
15	13, 14	imbitrdi 251	. . . . . 6 ⊢ ((𝑗 ∈ ℕ ∧ 𝑘 ∈ ℕ) → ((𝑗 < 𝑘 ∧ ∀𝑚 ∈ ℕ ((𝑘 / 𝑚) ∈ ℕ → (𝑚 = 1 ∨ 𝑚 = 𝑘))) → (𝑗 < 𝑘 ∧ (1 < 𝑘 ∧ ∀𝑚 ∈ ℕ ((𝑘 / 𝑚) ∈ ℕ → (𝑚 = 1 ∨ 𝑚 = 𝑘))))))
16	15	reximdva 3150	. . . . 5 ⊢ (𝑗 ∈ ℕ → (∃𝑘 ∈ ℕ (𝑗 < 𝑘 ∧ ∀𝑚 ∈ ℕ ((𝑘 / 𝑚) ∈ ℕ → (𝑚 = 1 ∨ 𝑚 = 𝑘))) → ∃𝑘 ∈ ℕ (𝑗 < 𝑘 ∧ (1 < 𝑘 ∧ ∀𝑚 ∈ ℕ ((𝑘 / 𝑚) ∈ ℕ → (𝑚 = 1 ∨ 𝑚 = 𝑘))))))
17	3, 16	mpd 15	. . . 4 ⊢ (𝑗 ∈ ℕ → ∃𝑘 ∈ ℕ (𝑗 < 𝑘 ∧ (1 < 𝑘 ∧ ∀𝑚 ∈ ℕ ((𝑘 / 𝑚) ∈ ℕ → (𝑚 = 1 ∨ 𝑚 = 𝑘)))))
18		breq2 5089	. . . . . . . . 9 ⊢ (𝑛 = 𝑘 → (1 < 𝑛 ↔ 1 < 𝑘))
19		oveq1 7374	. . . . . . . . . . . 12 ⊢ (𝑛 = 𝑘 → (𝑛 / 𝑚) = (𝑘 / 𝑚))
20	19	eleq1d 2821	. . . . . . . . . . 11 ⊢ (𝑛 = 𝑘 → ((𝑛 / 𝑚) ∈ ℕ ↔ (𝑘 / 𝑚) ∈ ℕ))
21		equequ2 2028	. . . . . . . . . . . 12 ⊢ (𝑛 = 𝑘 → (𝑚 = 𝑛 ↔ 𝑚 = 𝑘))
22	21	orbi2d 916	. . . . . . . . . . 11 ⊢ (𝑛 = 𝑘 → ((𝑚 = 1 ∨ 𝑚 = 𝑛) ↔ (𝑚 = 1 ∨ 𝑚 = 𝑘)))
23	20, 22	imbi12d 344	. . . . . . . . . 10 ⊢ (𝑛 = 𝑘 → (((𝑛 / 𝑚) ∈ ℕ → (𝑚 = 1 ∨ 𝑚 = 𝑛)) ↔ ((𝑘 / 𝑚) ∈ ℕ → (𝑚 = 1 ∨ 𝑚 = 𝑘))))
24	23	ralbidv 3160	. . . . . . . . 9 ⊢ (𝑛 = 𝑘 → (∀𝑚 ∈ ℕ ((𝑛 / 𝑚) ∈ ℕ → (𝑚 = 1 ∨ 𝑚 = 𝑛)) ↔ ∀𝑚 ∈ ℕ ((𝑘 / 𝑚) ∈ ℕ → (𝑚 = 1 ∨ 𝑚 = 𝑘))))
25	18, 24	anbi12d 633	. . . . . . . 8 ⊢ (𝑛 = 𝑘 → ((1 < 𝑛 ∧ ∀𝑚 ∈ ℕ ((𝑛 / 𝑚) ∈ ℕ → (𝑚 = 1 ∨ 𝑚 = 𝑛))) ↔ (1 < 𝑘 ∧ ∀𝑚 ∈ ℕ ((𝑘 / 𝑚) ∈ ℕ → (𝑚 = 1 ∨ 𝑚 = 𝑘)))))
26	25, 1	elrab2 3637	. . . . . . 7 ⊢ (𝑘 ∈ 𝑆 ↔ (𝑘 ∈ ℕ ∧ (1 < 𝑘 ∧ ∀𝑚 ∈ ℕ ((𝑘 / 𝑚) ∈ ℕ → (𝑚 = 1 ∨ 𝑚 = 𝑘)))))
27	26	anbi1i 625	. . . . . 6 ⊢ ((𝑘 ∈ 𝑆 ∧ 𝑗 < 𝑘) ↔ ((𝑘 ∈ ℕ ∧ (1 < 𝑘 ∧ ∀𝑚 ∈ ℕ ((𝑘 / 𝑚) ∈ ℕ → (𝑚 = 1 ∨ 𝑚 = 𝑘)))) ∧ 𝑗 < 𝑘))
28		anass 468	. . . . . 6 ⊢ (((𝑘 ∈ ℕ ∧ (1 < 𝑘 ∧ ∀𝑚 ∈ ℕ ((𝑘 / 𝑚) ∈ ℕ → (𝑚 = 1 ∨ 𝑚 = 𝑘)))) ∧ 𝑗 < 𝑘) ↔ (𝑘 ∈ ℕ ∧ ((1 < 𝑘 ∧ ∀𝑚 ∈ ℕ ((𝑘 / 𝑚) ∈ ℕ → (𝑚 = 1 ∨ 𝑚 = 𝑘))) ∧ 𝑗 < 𝑘)))
29		ancom 460	. . . . . . 7 ⊢ (((1 < 𝑘 ∧ ∀𝑚 ∈ ℕ ((𝑘 / 𝑚) ∈ ℕ → (𝑚 = 1 ∨ 𝑚 = 𝑘))) ∧ 𝑗 < 𝑘) ↔ (𝑗 < 𝑘 ∧ (1 < 𝑘 ∧ ∀𝑚 ∈ ℕ ((𝑘 / 𝑚) ∈ ℕ → (𝑚 = 1 ∨ 𝑚 = 𝑘)))))
30	29	anbi2i 624	. . . . . 6 ⊢ ((𝑘 ∈ ℕ ∧ ((1 < 𝑘 ∧ ∀𝑚 ∈ ℕ ((𝑘 / 𝑚) ∈ ℕ → (𝑚 = 1 ∨ 𝑚 = 𝑘))) ∧ 𝑗 < 𝑘)) ↔ (𝑘 ∈ ℕ ∧ (𝑗 < 𝑘 ∧ (1 < 𝑘 ∧ ∀𝑚 ∈ ℕ ((𝑘 / 𝑚) ∈ ℕ → (𝑚 = 1 ∨ 𝑚 = 𝑘))))))
31	27, 28, 30	3bitri 297	. . . . 5 ⊢ ((𝑘 ∈ 𝑆 ∧ 𝑗 < 𝑘) ↔ (𝑘 ∈ ℕ ∧ (𝑗 < 𝑘 ∧ (1 < 𝑘 ∧ ∀𝑚 ∈ ℕ ((𝑘 / 𝑚) ∈ ℕ → (𝑚 = 1 ∨ 𝑚 = 𝑘))))))
32	31	rexbii2 3080	. . . 4 ⊢ (∃𝑘 ∈ 𝑆 𝑗 < 𝑘 ↔ ∃𝑘 ∈ ℕ (𝑗 < 𝑘 ∧ (1 < 𝑘 ∧ ∀𝑚 ∈ ℕ ((𝑘 / 𝑚) ∈ ℕ → (𝑚 = 1 ∨ 𝑚 = 𝑘)))))
33	17, 32	sylibr 234	. . 3 ⊢ (𝑗 ∈ ℕ → ∃𝑘 ∈ 𝑆 𝑗 < 𝑘)
34	33	rgen 3053	. 2 ⊢ ∀𝑗 ∈ ℕ ∃𝑘 ∈ 𝑆 𝑗 < 𝑘
35		unben 16880	. 2 ⊢ ((𝑆 ⊆ ℕ ∧ ∀𝑗 ∈ ℕ ∃𝑘 ∈ 𝑆 𝑗 < 𝑘) → 𝑆 ≈ ℕ)
36	2, 34, 35	mp2an 693	1 ⊢ 𝑆 ≈ ℕ

Syntax hints:   → wi 4   ∧ wa 395   ∨ wo 848   = wceq 1542   ∈ wcel 2114  ∀wral 3051  ∃wrex 3061  {crab 3389   ⊆ wss 3889   class class class wbr 5085  (class class class)co 7367   ≈ cen 8890  ℝcr 11037  1c1 11039   < clt 11179   ≤ cle 11180   / cdiv 11807  ℕcn 12174

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 2708  ax-rep 5212  ax-sep 5231  ax-nul 5241  ax-pow 5307  ax-pr 5375  ax-un 7689  ax-inf2 9562  ax-cnex 11094  ax-resscn 11095  ax-1cn 11096  ax-icn 11097  ax-addcl 11098  ax-addrcl 11099  ax-mulcl 11100  ax-mulrcl 11101  ax-mulcom 11102  ax-addass 11103  ax-mulass 11104  ax-distr 11105  ax-i2m1 11106  ax-1ne0 11107  ax-1rid 11108  ax-rnegex 11109  ax-rrecex 11110  ax-cnre 11111  ax-pre-lttri 11112  ax-pre-lttrn 11113  ax-pre-ltadd 11114  ax-pre-mulgt0 11115

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 2539  df-eu 2569  df-clab 2715  df-cleq 2728  df-clel 2811  df-nfc 2885  df-ne 2933  df-nel 3037  df-ral 3052  df-rex 3062  df-rmo 3342  df-reu 3343  df-rab 3390  df-v 3431  df-sbc 3729  df-csb 3838  df-dif 3892  df-un 3894  df-in 3896  df-ss 3906  df-pss 3909  df-nul 4274  df-if 4467  df-pw 4543  df-sn 4568  df-pr 4570  df-op 4574  df-uni 4851  df-int 4890  df-iun 4935  df-br 5086  df-opab 5148  df-mpt 5167  df-tr 5193  df-id 5526  df-eprel 5531  df-po 5539  df-so 5540  df-fr 5584  df-we 5586  df-xp 5637  df-rel 5638  df-cnv 5639  df-co 5640  df-dm 5641  df-rn 5642  df-res 5643  df-ima 5644  df-pred 6265  df-ord 6326  df-on 6327  df-lim 6328  df-suc 6329  df-iota 6454  df-fun 6500  df-fn 6501  df-f 6502  df-f1 6503  df-fo 6504  df-f1o 6505  df-fv 6506  df-riota 7324  df-ov 7370  df-oprab 7371  df-mpo 7372  df-om 7818  df-2nd 7943  df-frecs 8231  df-wrecs 8262  df-recs 8311  df-rdg 8349  df-er 8643  df-en 8894  df-dom 8895  df-sdom 8896  df-pnf 11181  df-mnf 11182  df-xr 11183  df-ltxr 11184  df-le 11185  df-sub 11379  df-neg 11380  df-div 11808  df-nn 12175  df-n0 12438  df-z 12525  df-uz 12789  df-seq 13964  df-fac 14236

This theorem is referenced by: (None)