Users' Mathboxes Mathbox for Thierry Arnoux < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  rspectopn Structured version   Visualization version   GIF version

Theorem rspectopn 31323
Description: The topology component of the spectrum of a ring. (Contributed by Thierry Arnoux, 4-Jun-2024.)
Hypotheses
Ref Expression
rspecbas.1 𝑆 = (Spec‘𝑅)
rspectopn.1 𝐼 = (LIdeal‘𝑅)
rspectopn.2 𝑃 = (PrmIdeal‘𝑅)
rspectopn.3 𝐽 = ran (𝑖𝐼 ↦ {𝑗𝑃 ∣ ¬ 𝑖𝑗})
Assertion
Ref Expression
rspectopn (𝑅 ∈ Ring → 𝐽 = (TopOpen‘𝑆))
Distinct variable groups:   𝑖,𝐼,𝑗   𝑃,𝑖,𝑗   𝑅,𝑖,𝑗
Allowed substitution hints:   𝑆(𝑖,𝑗)   𝐽(𝑖,𝑗)

Proof of Theorem rspectopn
Dummy variables 𝑥 𝑦 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 rspecval 31320 . . . . 5 (𝑅 ∈ Ring → (Spec‘𝑅) = ((IDLsrg‘𝑅) ↾s (PrmIdeal‘𝑅)))
2 rspecbas.1 . . . . 5 𝑆 = (Spec‘𝑅)
3 rspectopn.2 . . . . . 6 𝑃 = (PrmIdeal‘𝑅)
43oveq2i 7154 . . . . 5 ((IDLsrg‘𝑅) ↾s 𝑃) = ((IDLsrg‘𝑅) ↾s (PrmIdeal‘𝑅))
51, 2, 43eqtr4g 2819 . . . 4 (𝑅 ∈ Ring → 𝑆 = ((IDLsrg‘𝑅) ↾s 𝑃))
65fveq2d 6655 . . 3 (𝑅 ∈ Ring → (TopOpen‘𝑆) = (TopOpen‘((IDLsrg‘𝑅) ↾s 𝑃)))
7 eqid 2759 . . . 4 ((IDLsrg‘𝑅) ↾s 𝑃) = ((IDLsrg‘𝑅) ↾s 𝑃)
8 eqid 2759 . . . 4 (TopOpen‘(IDLsrg‘𝑅)) = (TopOpen‘(IDLsrg‘𝑅))
97, 8resstopn 21871 . . 3 ((TopOpen‘(IDLsrg‘𝑅)) ↾t 𝑃) = (TopOpen‘((IDLsrg‘𝑅) ↾s 𝑃))
106, 9eqtr4di 2812 . 2 (𝑅 ∈ Ring → (TopOpen‘𝑆) = ((TopOpen‘(IDLsrg‘𝑅)) ↾t 𝑃))
11 eqid 2759 . . . . 5 (IDLsrg‘𝑅) = (IDLsrg‘𝑅)
12 rspectopn.1 . . . . 5 𝐼 = (LIdeal‘𝑅)
13 eqid 2759 . . . . 5 ran (𝑖𝐼 ↦ {𝑗𝐼 ∣ ¬ 𝑖𝑗}) = ran (𝑖𝐼 ↦ {𝑗𝐼 ∣ ¬ 𝑖𝑗})
1411, 12, 13idlsrgtset 31159 . . . 4 (𝑅 ∈ Ring → ran (𝑖𝐼 ↦ {𝑗𝐼 ∣ ¬ 𝑖𝑗}) = (TopSet‘(IDLsrg‘𝑅)))
1512fvexi 6665 . . . . . . . . . . 11 𝐼 ∈ V
1615rabex 5195 . . . . . . . . . 10 {𝑗𝐼 ∣ ¬ 𝑖𝑗} ∈ V
1716a1i 11 . . . . . . . . 9 ((𝑅 ∈ Ring ∧ 𝑖𝐼) → {𝑗𝐼 ∣ ¬ 𝑖𝑗} ∈ V)
18 simp2 1135 . . . . . . . . . . 11 (((𝑅 ∈ Ring ∧ 𝑖𝐼) ∧ 𝑗𝐼 ∧ ¬ 𝑖𝑗) → 𝑗𝐼)
1911, 12idlsrgbas 31155 . . . . . . . . . . . . 13 (𝑅 ∈ Ring → 𝐼 = (Base‘(IDLsrg‘𝑅)))
2019adantr 485 . . . . . . . . . . . 12 ((𝑅 ∈ Ring ∧ 𝑖𝐼) → 𝐼 = (Base‘(IDLsrg‘𝑅)))
21203ad2ant1 1131 . . . . . . . . . . 11 (((𝑅 ∈ Ring ∧ 𝑖𝐼) ∧ 𝑗𝐼 ∧ ¬ 𝑖𝑗) → 𝐼 = (Base‘(IDLsrg‘𝑅)))
2218, 21eleqtrd 2853 . . . . . . . . . 10 (((𝑅 ∈ Ring ∧ 𝑖𝐼) ∧ 𝑗𝐼 ∧ ¬ 𝑖𝑗) → 𝑗 ∈ (Base‘(IDLsrg‘𝑅)))
2322rabssdv 3975 . . . . . . . . 9 ((𝑅 ∈ Ring ∧ 𝑖𝐼) → {𝑗𝐼 ∣ ¬ 𝑖𝑗} ⊆ (Base‘(IDLsrg‘𝑅)))
2417, 23elpwd 4495 . . . . . . . 8 ((𝑅 ∈ Ring ∧ 𝑖𝐼) → {𝑗𝐼 ∣ ¬ 𝑖𝑗} ∈ 𝒫 (Base‘(IDLsrg‘𝑅)))
2524ralrimiva 3111 . . . . . . 7 (𝑅 ∈ Ring → ∀𝑖𝐼 {𝑗𝐼 ∣ ¬ 𝑖𝑗} ∈ 𝒫 (Base‘(IDLsrg‘𝑅)))
26 eqid 2759 . . . . . . . 8 (𝑖𝐼 ↦ {𝑗𝐼 ∣ ¬ 𝑖𝑗}) = (𝑖𝐼 ↦ {𝑗𝐼 ∣ ¬ 𝑖𝑗})
2726rnmptss 6870 . . . . . . 7 (∀𝑖𝐼 {𝑗𝐼 ∣ ¬ 𝑖𝑗} ∈ 𝒫 (Base‘(IDLsrg‘𝑅)) → ran (𝑖𝐼 ↦ {𝑗𝐼 ∣ ¬ 𝑖𝑗}) ⊆ 𝒫 (Base‘(IDLsrg‘𝑅)))
2825, 27syl 17 . . . . . 6 (𝑅 ∈ Ring → ran (𝑖𝐼 ↦ {𝑗𝐼 ∣ ¬ 𝑖𝑗}) ⊆ 𝒫 (Base‘(IDLsrg‘𝑅)))
2914, 28eqsstrrd 3927 . . . . 5 (𝑅 ∈ Ring → (TopSet‘(IDLsrg‘𝑅)) ⊆ 𝒫 (Base‘(IDLsrg‘𝑅)))
30 eqid 2759 . . . . . 6 (Base‘(IDLsrg‘𝑅)) = (Base‘(IDLsrg‘𝑅))
31 eqid 2759 . . . . . 6 (TopSet‘(IDLsrg‘𝑅)) = (TopSet‘(IDLsrg‘𝑅))
3230, 31topnid 16752 . . . . 5 ((TopSet‘(IDLsrg‘𝑅)) ⊆ 𝒫 (Base‘(IDLsrg‘𝑅)) → (TopSet‘(IDLsrg‘𝑅)) = (TopOpen‘(IDLsrg‘𝑅)))
3329, 32syl 17 . . . 4 (𝑅 ∈ Ring → (TopSet‘(IDLsrg‘𝑅)) = (TopOpen‘(IDLsrg‘𝑅)))
3414, 33eqtrd 2794 . . 3 (𝑅 ∈ Ring → ran (𝑖𝐼 ↦ {𝑗𝐼 ∣ ¬ 𝑖𝑗}) = (TopOpen‘(IDLsrg‘𝑅)))
3534oveq1d 7158 . 2 (𝑅 ∈ Ring → (ran (𝑖𝐼 ↦ {𝑗𝐼 ∣ ¬ 𝑖𝑗}) ↾t 𝑃) = ((TopOpen‘(IDLsrg‘𝑅)) ↾t 𝑃))
3615mptex 6970 . . . . . . 7 (𝑖𝐼 ↦ {𝑗𝐼 ∣ ¬ 𝑖𝑗}) ∈ V
3736rnex 7615 . . . . . 6 ran (𝑖𝐼 ↦ {𝑗𝐼 ∣ ¬ 𝑖𝑗}) ∈ V
383fvexi 6665 . . . . . 6 𝑃 ∈ V
39 elrest 16744 . . . . . 6 ((ran (𝑖𝐼 ↦ {𝑗𝐼 ∣ ¬ 𝑖𝑗}) ∈ V ∧ 𝑃 ∈ V) → (𝑥 ∈ (ran (𝑖𝐼 ↦ {𝑗𝐼 ∣ ¬ 𝑖𝑗}) ↾t 𝑃) ↔ ∃𝑦 ∈ ran (𝑖𝐼 ↦ {𝑗𝐼 ∣ ¬ 𝑖𝑗})𝑥 = (𝑦𝑃)))
4037, 38, 39mp2an 692 . . . . 5 (𝑥 ∈ (ran (𝑖𝐼 ↦ {𝑗𝐼 ∣ ¬ 𝑖𝑗}) ↾t 𝑃) ↔ ∃𝑦 ∈ ran (𝑖𝐼 ↦ {𝑗𝐼 ∣ ¬ 𝑖𝑗})𝑥 = (𝑦𝑃))
4116rgenw 3080 . . . . . . 7 𝑖𝐼 {𝑗𝐼 ∣ ¬ 𝑖𝑗} ∈ V
42 ineq1 4105 . . . . . . . . 9 (𝑦 = {𝑗𝐼 ∣ ¬ 𝑖𝑗} → (𝑦𝑃) = ({𝑗𝐼 ∣ ¬ 𝑖𝑗} ∩ 𝑃))
4342eqeq2d 2770 . . . . . . . 8 (𝑦 = {𝑗𝐼 ∣ ¬ 𝑖𝑗} → (𝑥 = (𝑦𝑃) ↔ 𝑥 = ({𝑗𝐼 ∣ ¬ 𝑖𝑗} ∩ 𝑃)))
4426, 43rexrnmptw 6845 . . . . . . 7 (∀𝑖𝐼 {𝑗𝐼 ∣ ¬ 𝑖𝑗} ∈ V → (∃𝑦 ∈ ran (𝑖𝐼 ↦ {𝑗𝐼 ∣ ¬ 𝑖𝑗})𝑥 = (𝑦𝑃) ↔ ∃𝑖𝐼 𝑥 = ({𝑗𝐼 ∣ ¬ 𝑖𝑗} ∩ 𝑃)))
4541, 44ax-mp 5 . . . . . 6 (∃𝑦 ∈ ran (𝑖𝐼 ↦ {𝑗𝐼 ∣ ¬ 𝑖𝑗})𝑥 = (𝑦𝑃) ↔ ∃𝑖𝐼 𝑥 = ({𝑗𝐼 ∣ ¬ 𝑖𝑗} ∩ 𝑃))
46 inrab2 4206 . . . . . . . . 9 ({𝑗𝐼 ∣ ¬ 𝑖𝑗} ∩ 𝑃) = {𝑗 ∈ (𝐼𝑃) ∣ ¬ 𝑖𝑗}
47 prmidlssidl 31126 . . . . . . . . . . . 12 (𝑅 ∈ Ring → (PrmIdeal‘𝑅) ⊆ (LIdeal‘𝑅))
4847, 3, 123sstr4g 3933 . . . . . . . . . . 11 (𝑅 ∈ Ring → 𝑃𝐼)
49 sseqin2 4116 . . . . . . . . . . 11 (𝑃𝐼 ↔ (𝐼𝑃) = 𝑃)
5048, 49sylib 221 . . . . . . . . . 10 (𝑅 ∈ Ring → (𝐼𝑃) = 𝑃)
5150rabeqdv 3395 . . . . . . . . 9 (𝑅 ∈ Ring → {𝑗 ∈ (𝐼𝑃) ∣ ¬ 𝑖𝑗} = {𝑗𝑃 ∣ ¬ 𝑖𝑗})
5246, 51syl5eq 2806 . . . . . . . 8 (𝑅 ∈ Ring → ({𝑗𝐼 ∣ ¬ 𝑖𝑗} ∩ 𝑃) = {𝑗𝑃 ∣ ¬ 𝑖𝑗})
5352eqeq2d 2770 . . . . . . 7 (𝑅 ∈ Ring → (𝑥 = ({𝑗𝐼 ∣ ¬ 𝑖𝑗} ∩ 𝑃) ↔ 𝑥 = {𝑗𝑃 ∣ ¬ 𝑖𝑗}))
5453rexbidv 3219 . . . . . 6 (𝑅 ∈ Ring → (∃𝑖𝐼 𝑥 = ({𝑗𝐼 ∣ ¬ 𝑖𝑗} ∩ 𝑃) ↔ ∃𝑖𝐼 𝑥 = {𝑗𝑃 ∣ ¬ 𝑖𝑗}))
5545, 54syl5bb 286 . . . . 5 (𝑅 ∈ Ring → (∃𝑦 ∈ ran (𝑖𝐼 ↦ {𝑗𝐼 ∣ ¬ 𝑖𝑗})𝑥 = (𝑦𝑃) ↔ ∃𝑖𝐼 𝑥 = {𝑗𝑃 ∣ ¬ 𝑖𝑗}))
5640, 55syl5bb 286 . . . 4 (𝑅 ∈ Ring → (𝑥 ∈ (ran (𝑖𝐼 ↦ {𝑗𝐼 ∣ ¬ 𝑖𝑗}) ↾t 𝑃) ↔ ∃𝑖𝐼 𝑥 = {𝑗𝑃 ∣ ¬ 𝑖𝑗}))
57 rspectopn.3 . . . . . 6 𝐽 = ran (𝑖𝐼 ↦ {𝑗𝑃 ∣ ¬ 𝑖𝑗})
5857eleq2i 2842 . . . . 5 (𝑥𝐽𝑥 ∈ ran (𝑖𝐼 ↦ {𝑗𝑃 ∣ ¬ 𝑖𝑗}))
59 eqid 2759 . . . . . 6 (𝑖𝐼 ↦ {𝑗𝑃 ∣ ¬ 𝑖𝑗}) = (𝑖𝐼 ↦ {𝑗𝑃 ∣ ¬ 𝑖𝑗})
6038rabex 5195 . . . . . 6 {𝑗𝑃 ∣ ¬ 𝑖𝑗} ∈ V
6159, 60elrnmpti 5794 . . . . 5 (𝑥 ∈ ran (𝑖𝐼 ↦ {𝑗𝑃 ∣ ¬ 𝑖𝑗}) ↔ ∃𝑖𝐼 𝑥 = {𝑗𝑃 ∣ ¬ 𝑖𝑗})
6258, 61bitri 278 . . . 4 (𝑥𝐽 ↔ ∃𝑖𝐼 𝑥 = {𝑗𝑃 ∣ ¬ 𝑖𝑗})
6356, 62bitr4di 293 . . 3 (𝑅 ∈ Ring → (𝑥 ∈ (ran (𝑖𝐼 ↦ {𝑗𝐼 ∣ ¬ 𝑖𝑗}) ↾t 𝑃) ↔ 𝑥𝐽))
6463eqrdv 2757 . 2 (𝑅 ∈ Ring → (ran (𝑖𝐼 ↦ {𝑗𝐼 ∣ ¬ 𝑖𝑗}) ↾t 𝑃) = 𝐽)
6510, 35, 643eqtr2rd 2801 1 (𝑅 ∈ Ring → 𝐽 = (TopOpen‘𝑆))
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wb 209  wa 400  w3a 1085   = wceq 1539  wcel 2112  wral 3068  wrex 3069  {crab 3072  Vcvv 3407  cin 3853  wss 3854  𝒫 cpw 4487  cmpt 5105  ran crn 5518  cfv 6328  (class class class)co 7143  Basecbs 16526  s cress 16527  TopSetcts 16614  t crest 16737  TopOpenctopn 16738  Ringcrg 19350  LIdealclidl 19995  PrmIdealcprmidl 31116  IDLsrgcidlsrg 31151  Speccrspec 31318
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1798  ax-4 1812  ax-5 1912  ax-6 1971  ax-7 2016  ax-8 2114  ax-9 2122  ax-10 2143  ax-11 2159  ax-12 2176  ax-ext 2730  ax-rep 5149  ax-sep 5162  ax-nul 5169  ax-pow 5227  ax-pr 5291  ax-un 7452  ax-cnex 10616  ax-resscn 10617  ax-1cn 10618  ax-icn 10619  ax-addcl 10620  ax-addrcl 10621  ax-mulcl 10622  ax-mulrcl 10623  ax-mulcom 10624  ax-addass 10625  ax-mulass 10626  ax-distr 10627  ax-i2m1 10628  ax-1ne0 10629  ax-1rid 10630  ax-rnegex 10631  ax-rrecex 10632  ax-cnre 10633  ax-pre-lttri 10634  ax-pre-lttrn 10635  ax-pre-ltadd 10636  ax-pre-mulgt0 10637
This theorem depends on definitions:  df-bi 210  df-an 401  df-or 846  df-3or 1086  df-3an 1087  df-tru 1542  df-fal 1552  df-ex 1783  df-nf 1787  df-sb 2071  df-mo 2558  df-eu 2589  df-clab 2737  df-cleq 2751  df-clel 2831  df-nfc 2899  df-ne 2950  df-nel 3054  df-ral 3073  df-rex 3074  df-reu 3075  df-rab 3077  df-v 3409  df-sbc 3694  df-csb 3802  df-dif 3857  df-un 3859  df-in 3861  df-ss 3871  df-pss 3873  df-nul 4222  df-if 4414  df-pw 4489  df-sn 4516  df-pr 4518  df-tp 4520  df-op 4522  df-uni 4792  df-int 4832  df-iun 4878  df-br 5026  df-opab 5088  df-mpt 5106  df-tr 5132  df-id 5423  df-eprel 5428  df-po 5436  df-so 5437  df-fr 5476  df-we 5478  df-xp 5523  df-rel 5524  df-cnv 5525  df-co 5526  df-dm 5527  df-rn 5528  df-res 5529  df-ima 5530  df-pred 6119  df-ord 6165  df-on 6166  df-lim 6167  df-suc 6168  df-iota 6287  df-fun 6330  df-fn 6331  df-f 6332  df-f1 6333  df-fo 6334  df-f1o 6335  df-fv 6336  df-riota 7101  df-ov 7146  df-oprab 7147  df-mpo 7148  df-om 7573  df-1st 7686  df-2nd 7687  df-wrecs 7950  df-recs 8011  df-rdg 8049  df-1o 8105  df-oadd 8109  df-er 8292  df-en 8521  df-dom 8522  df-sdom 8523  df-fin 8524  df-pnf 10700  df-mnf 10701  df-xr 10702  df-ltxr 10703  df-le 10704  df-sub 10895  df-neg 10896  df-nn 11660  df-2 11722  df-3 11723  df-4 11724  df-5 11725  df-6 11726  df-7 11727  df-8 11728  df-9 11729  df-n0 11920  df-z 12006  df-dec 12123  df-uz 12268  df-fz 12925  df-struct 16528  df-ndx 16529  df-slot 16530  df-base 16532  df-sets 16533  df-ress 16534  df-plusg 16621  df-mulr 16622  df-tset 16627  df-ple 16628  df-rest 16739  df-topn 16740  df-prmidl 31117  df-idlsrg 31152  df-rspec 31319
This theorem is referenced by:  zarcls  31330  zar0ring  31334
  Copyright terms: Public domain W3C validator