![]() |
Mathbox for Thierry Arnoux |
< Previous
Next >
Nearby theorems |
|
Mirrors > Home > MPE Home > Th. List > Mathboxes > zar0ring | Structured version Visualization version GIF version |
Description: The Zariski Topology of the trivial ring. (Contributed by Thierry Arnoux, 1-Jul-2024.) |
Ref | Expression |
---|---|
zartop.1 | ⊢ 𝑆 = (Spec‘𝑅) |
zartop.2 | ⊢ 𝐽 = (TopOpen‘𝑆) |
zar0ring.b | ⊢ 𝐵 = (Base‘𝑅) |
Ref | Expression |
---|---|
zar0ring | ⊢ ((𝑅 ∈ Ring ∧ (♯‘𝐵) = 1) → 𝐽 = {∅}) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | zartop.2 | . . 3 ⊢ 𝐽 = (TopOpen‘𝑆) | |
2 | zartop.1 | . . . . 5 ⊢ 𝑆 = (Spec‘𝑅) | |
3 | eqid 2759 | . . . . 5 ⊢ (LIdeal‘𝑅) = (LIdeal‘𝑅) | |
4 | eqid 2759 | . . . . 5 ⊢ (PrmIdeal‘𝑅) = (PrmIdeal‘𝑅) | |
5 | eqid 2759 | . . . . 5 ⊢ ran (𝑖 ∈ (LIdeal‘𝑅) ↦ {𝑗 ∈ (PrmIdeal‘𝑅) ∣ ¬ 𝑖 ⊆ 𝑗}) = ran (𝑖 ∈ (LIdeal‘𝑅) ↦ {𝑗 ∈ (PrmIdeal‘𝑅) ∣ ¬ 𝑖 ⊆ 𝑗}) | |
6 | 2, 3, 4, 5 | rspectopn 31323 | . . . 4 ⊢ (𝑅 ∈ Ring → ran (𝑖 ∈ (LIdeal‘𝑅) ↦ {𝑗 ∈ (PrmIdeal‘𝑅) ∣ ¬ 𝑖 ⊆ 𝑗}) = (TopOpen‘𝑆)) |
7 | 6 | adantr 485 | . . 3 ⊢ ((𝑅 ∈ Ring ∧ (♯‘𝐵) = 1) → ran (𝑖 ∈ (LIdeal‘𝑅) ↦ {𝑗 ∈ (PrmIdeal‘𝑅) ∣ ¬ 𝑖 ⊆ 𝑗}) = (TopOpen‘𝑆)) |
8 | 1, 7 | eqtr4id 2813 | . 2 ⊢ ((𝑅 ∈ Ring ∧ (♯‘𝐵) = 1) → 𝐽 = ran (𝑖 ∈ (LIdeal‘𝑅) ↦ {𝑗 ∈ (PrmIdeal‘𝑅) ∣ ¬ 𝑖 ⊆ 𝑗})) |
9 | fvex 6664 | . . . . . 6 ⊢ (PrmIdeal‘𝑅) ∈ V | |
10 | 9 | rabex 5195 | . . . . 5 ⊢ {𝑗 ∈ (PrmIdeal‘𝑅) ∣ ¬ 𝑖 ⊆ 𝑗} ∈ V |
11 | eqid 2759 | . . . . 5 ⊢ (𝑖 ∈ (LIdeal‘𝑅) ↦ {𝑗 ∈ (PrmIdeal‘𝑅) ∣ ¬ 𝑖 ⊆ 𝑗}) = (𝑖 ∈ (LIdeal‘𝑅) ↦ {𝑗 ∈ (PrmIdeal‘𝑅) ∣ ¬ 𝑖 ⊆ 𝑗}) | |
12 | 10, 11 | fnmpti 6467 | . . . 4 ⊢ (𝑖 ∈ (LIdeal‘𝑅) ↦ {𝑗 ∈ (PrmIdeal‘𝑅) ∣ ¬ 𝑖 ⊆ 𝑗}) Fn (LIdeal‘𝑅) |
13 | 12 | a1i 11 | . . 3 ⊢ ((𝑅 ∈ Ring ∧ (♯‘𝐵) = 1) → (𝑖 ∈ (LIdeal‘𝑅) ↦ {𝑗 ∈ (PrmIdeal‘𝑅) ∣ ¬ 𝑖 ⊆ 𝑗}) Fn (LIdeal‘𝑅)) |
14 | zar0ring.b | . . . . 5 ⊢ 𝐵 = (Base‘𝑅) | |
15 | eqid 2759 | . . . . 5 ⊢ (0g‘𝑅) = (0g‘𝑅) | |
16 | 14, 15 | 0ringidl 31111 | . . . 4 ⊢ ((𝑅 ∈ Ring ∧ (♯‘𝐵) = 1) → (LIdeal‘𝑅) = {{(0g‘𝑅)}}) |
17 | snex 5293 | . . . . . 6 ⊢ {(0g‘𝑅)} ∈ V | |
18 | 17 | a1i 11 | . . . . 5 ⊢ ((𝑅 ∈ Ring ∧ (♯‘𝐵) = 1) → {(0g‘𝑅)} ∈ V) |
19 | 18 | snn0d 4661 | . . . 4 ⊢ ((𝑅 ∈ Ring ∧ (♯‘𝐵) = 1) → {{(0g‘𝑅)}} ≠ ∅) |
20 | 16, 19 | eqnetrd 3016 | . . 3 ⊢ ((𝑅 ∈ Ring ∧ (♯‘𝐵) = 1) → (LIdeal‘𝑅) ≠ ∅) |
21 | 14 | 0ringprmidl 31131 | . . . . . . 7 ⊢ ((𝑅 ∈ Ring ∧ (♯‘𝐵) = 1) → (PrmIdeal‘𝑅) = ∅) |
22 | 21 | rabeqdv 3395 | . . . . . 6 ⊢ ((𝑅 ∈ Ring ∧ (♯‘𝐵) = 1) → {𝑗 ∈ (PrmIdeal‘𝑅) ∣ ¬ 𝑖 ⊆ 𝑗} = {𝑗 ∈ ∅ ∣ ¬ 𝑖 ⊆ 𝑗}) |
23 | rab0 4273 | . . . . . 6 ⊢ {𝑗 ∈ ∅ ∣ ¬ 𝑖 ⊆ 𝑗} = ∅ | |
24 | 22, 23 | eqtrdi 2810 | . . . . 5 ⊢ ((𝑅 ∈ Ring ∧ (♯‘𝐵) = 1) → {𝑗 ∈ (PrmIdeal‘𝑅) ∣ ¬ 𝑖 ⊆ 𝑗} = ∅) |
25 | 24 | mpteq2dv 5121 | . . . 4 ⊢ ((𝑅 ∈ Ring ∧ (♯‘𝐵) = 1) → (𝑖 ∈ (LIdeal‘𝑅) ↦ {𝑗 ∈ (PrmIdeal‘𝑅) ∣ ¬ 𝑖 ⊆ 𝑗}) = (𝑖 ∈ (LIdeal‘𝑅) ↦ ∅)) |
26 | fconstmpt 5576 | . . . 4 ⊢ ((LIdeal‘𝑅) × {∅}) = (𝑖 ∈ (LIdeal‘𝑅) ↦ ∅) | |
27 | 25, 26 | eqtr4di 2812 | . . 3 ⊢ ((𝑅 ∈ Ring ∧ (♯‘𝐵) = 1) → (𝑖 ∈ (LIdeal‘𝑅) ↦ {𝑗 ∈ (PrmIdeal‘𝑅) ∣ ¬ 𝑖 ⊆ 𝑗}) = ((LIdeal‘𝑅) × {∅})) |
28 | fconst5 6952 | . . . 4 ⊢ (((𝑖 ∈ (LIdeal‘𝑅) ↦ {𝑗 ∈ (PrmIdeal‘𝑅) ∣ ¬ 𝑖 ⊆ 𝑗}) Fn (LIdeal‘𝑅) ∧ (LIdeal‘𝑅) ≠ ∅) → ((𝑖 ∈ (LIdeal‘𝑅) ↦ {𝑗 ∈ (PrmIdeal‘𝑅) ∣ ¬ 𝑖 ⊆ 𝑗}) = ((LIdeal‘𝑅) × {∅}) ↔ ran (𝑖 ∈ (LIdeal‘𝑅) ↦ {𝑗 ∈ (PrmIdeal‘𝑅) ∣ ¬ 𝑖 ⊆ 𝑗}) = {∅})) | |
29 | 28 | biimpa 481 | . . 3 ⊢ ((((𝑖 ∈ (LIdeal‘𝑅) ↦ {𝑗 ∈ (PrmIdeal‘𝑅) ∣ ¬ 𝑖 ⊆ 𝑗}) Fn (LIdeal‘𝑅) ∧ (LIdeal‘𝑅) ≠ ∅) ∧ (𝑖 ∈ (LIdeal‘𝑅) ↦ {𝑗 ∈ (PrmIdeal‘𝑅) ∣ ¬ 𝑖 ⊆ 𝑗}) = ((LIdeal‘𝑅) × {∅})) → ran (𝑖 ∈ (LIdeal‘𝑅) ↦ {𝑗 ∈ (PrmIdeal‘𝑅) ∣ ¬ 𝑖 ⊆ 𝑗}) = {∅}) |
30 | 13, 20, 27, 29 | syl21anc 837 | . 2 ⊢ ((𝑅 ∈ Ring ∧ (♯‘𝐵) = 1) → ran (𝑖 ∈ (LIdeal‘𝑅) ↦ {𝑗 ∈ (PrmIdeal‘𝑅) ∣ ¬ 𝑖 ⊆ 𝑗}) = {∅}) |
31 | 8, 30 | eqtrd 2794 | 1 ⊢ ((𝑅 ∈ Ring ∧ (♯‘𝐵) = 1) → 𝐽 = {∅}) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ∧ wa 400 = wceq 1539 ∈ wcel 2112 ≠ wne 2949 {crab 3072 Vcvv 3407 ⊆ wss 3854 ∅c0 4221 {csn 4515 ↦ cmpt 5105 × cxp 5515 ran crn 5518 Fn wfn 6323 ‘cfv 6328 1c1 10561 ♯chash 13725 Basecbs 16526 TopOpenctopn 16738 0gc0g 16756 Ringcrg 19350 LIdealclidl 19995 PrmIdealcprmidl 31116 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-rmo 3076 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-card 9386 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-hash 13726 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-sca 16624 df-vsca 16625 df-ip 16626 df-tset 16627 df-ple 16628 df-rest 16739 df-topn 16740 df-0g 16758 df-mgm 17903 df-sgrp 17952 df-mnd 17963 df-grp 18157 df-minusg 18158 df-sbg 18159 df-subg 18328 df-mgp 19293 df-ur 19305 df-ring 19352 df-subrg 19586 df-lmod 19689 df-lss 19757 df-sra 19997 df-rgmod 19998 df-lidl 19999 df-prmidl 31117 df-idlsrg 31152 df-rspec 31319 |
This theorem is referenced by: zarcmplem 31337 |
Copyright terms: Public domain | W3C validator |