Mathbox for Thierry Arnoux |
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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 2738 | . . . . 5 ⊢ (LIdeal‘𝑅) = (LIdeal‘𝑅) | |
4 | eqid 2738 | . . . . 5 ⊢ (PrmIdeal‘𝑅) = (PrmIdeal‘𝑅) | |
5 | eqid 2738 | . . . . 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 31817 | . . . 4 ⊢ (𝑅 ∈ Ring → ran (𝑖 ∈ (LIdeal‘𝑅) ↦ {𝑗 ∈ (PrmIdeal‘𝑅) ∣ ¬ 𝑖 ⊆ 𝑗}) = (TopOpen‘𝑆)) |
7 | 6 | adantr 481 | . . 3 ⊢ ((𝑅 ∈ Ring ∧ (♯‘𝐵) = 1) → ran (𝑖 ∈ (LIdeal‘𝑅) ↦ {𝑗 ∈ (PrmIdeal‘𝑅) ∣ ¬ 𝑖 ⊆ 𝑗}) = (TopOpen‘𝑆)) |
8 | 1, 7 | eqtr4id 2797 | . 2 ⊢ ((𝑅 ∈ Ring ∧ (♯‘𝐵) = 1) → 𝐽 = ran (𝑖 ∈ (LIdeal‘𝑅) ↦ {𝑗 ∈ (PrmIdeal‘𝑅) ∣ ¬ 𝑖 ⊆ 𝑗})) |
9 | fvex 6787 | . . . . . 6 ⊢ (PrmIdeal‘𝑅) ∈ V | |
10 | 9 | rabex 5256 | . . . . 5 ⊢ {𝑗 ∈ (PrmIdeal‘𝑅) ∣ ¬ 𝑖 ⊆ 𝑗} ∈ V |
11 | eqid 2738 | . . . . 5 ⊢ (𝑖 ∈ (LIdeal‘𝑅) ↦ {𝑗 ∈ (PrmIdeal‘𝑅) ∣ ¬ 𝑖 ⊆ 𝑗}) = (𝑖 ∈ (LIdeal‘𝑅) ↦ {𝑗 ∈ (PrmIdeal‘𝑅) ∣ ¬ 𝑖 ⊆ 𝑗}) | |
12 | 10, 11 | fnmpti 6576 | . . . 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 2738 | . . . . 5 ⊢ (0g‘𝑅) = (0g‘𝑅) | |
16 | 14, 15 | 0ringidl 31605 | . . . 4 ⊢ ((𝑅 ∈ Ring ∧ (♯‘𝐵) = 1) → (LIdeal‘𝑅) = {{(0g‘𝑅)}}) |
17 | snex 5354 | . . . . . 6 ⊢ {(0g‘𝑅)} ∈ V | |
18 | 17 | a1i 11 | . . . . 5 ⊢ ((𝑅 ∈ Ring ∧ (♯‘𝐵) = 1) → {(0g‘𝑅)} ∈ V) |
19 | 18 | snn0d 4711 | . . . 4 ⊢ ((𝑅 ∈ Ring ∧ (♯‘𝐵) = 1) → {{(0g‘𝑅)}} ≠ ∅) |
20 | 16, 19 | eqnetrd 3011 | . . 3 ⊢ ((𝑅 ∈ Ring ∧ (♯‘𝐵) = 1) → (LIdeal‘𝑅) ≠ ∅) |
21 | 14 | 0ringprmidl 31625 | . . . . . . 7 ⊢ ((𝑅 ∈ Ring ∧ (♯‘𝐵) = 1) → (PrmIdeal‘𝑅) = ∅) |
22 | 21 | rabeqdv 3419 | . . . . . 6 ⊢ ((𝑅 ∈ Ring ∧ (♯‘𝐵) = 1) → {𝑗 ∈ (PrmIdeal‘𝑅) ∣ ¬ 𝑖 ⊆ 𝑗} = {𝑗 ∈ ∅ ∣ ¬ 𝑖 ⊆ 𝑗}) |
23 | rab0 4316 | . . . . . 6 ⊢ {𝑗 ∈ ∅ ∣ ¬ 𝑖 ⊆ 𝑗} = ∅ | |
24 | 22, 23 | eqtrdi 2794 | . . . . 5 ⊢ ((𝑅 ∈ Ring ∧ (♯‘𝐵) = 1) → {𝑗 ∈ (PrmIdeal‘𝑅) ∣ ¬ 𝑖 ⊆ 𝑗} = ∅) |
25 | 24 | mpteq2dv 5176 | . . . 4 ⊢ ((𝑅 ∈ Ring ∧ (♯‘𝐵) = 1) → (𝑖 ∈ (LIdeal‘𝑅) ↦ {𝑗 ∈ (PrmIdeal‘𝑅) ∣ ¬ 𝑖 ⊆ 𝑗}) = (𝑖 ∈ (LIdeal‘𝑅) ↦ ∅)) |
26 | fconstmpt 5649 | . . . 4 ⊢ ((LIdeal‘𝑅) × {∅}) = (𝑖 ∈ (LIdeal‘𝑅) ↦ ∅) | |
27 | 25, 26 | eqtr4di 2796 | . . 3 ⊢ ((𝑅 ∈ Ring ∧ (♯‘𝐵) = 1) → (𝑖 ∈ (LIdeal‘𝑅) ↦ {𝑗 ∈ (PrmIdeal‘𝑅) ∣ ¬ 𝑖 ⊆ 𝑗}) = ((LIdeal‘𝑅) × {∅})) |
28 | fconst5 7081 | . . . 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 477 | . . 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 835 | . 2 ⊢ ((𝑅 ∈ Ring ∧ (♯‘𝐵) = 1) → ran (𝑖 ∈ (LIdeal‘𝑅) ↦ {𝑗 ∈ (PrmIdeal‘𝑅) ∣ ¬ 𝑖 ⊆ 𝑗}) = {∅}) |
31 | 8, 30 | eqtrd 2778 | 1 ⊢ ((𝑅 ∈ Ring ∧ (♯‘𝐵) = 1) → 𝐽 = {∅}) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ∧ wa 396 = wceq 1539 ∈ wcel 2106 ≠ wne 2943 {crab 3068 Vcvv 3432 ⊆ wss 3887 ∅c0 4256 {csn 4561 ↦ cmpt 5157 × cxp 5587 ran crn 5590 Fn wfn 6428 ‘cfv 6433 1c1 10872 ♯chash 14044 Basecbs 16912 TopOpenctopn 17132 0gc0g 17150 Ringcrg 19783 LIdealclidl 20432 PrmIdealcprmidl 31610 Speccrspec 31812 |
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 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-rep 5209 ax-sep 5223 ax-nul 5230 ax-pow 5288 ax-pr 5352 ax-un 7588 ax-cnex 10927 ax-resscn 10928 ax-1cn 10929 ax-icn 10930 ax-addcl 10931 ax-addrcl 10932 ax-mulcl 10933 ax-mulrcl 10934 ax-mulcom 10935 ax-addass 10936 ax-mulass 10937 ax-distr 10938 ax-i2m1 10939 ax-1ne0 10940 ax-1rid 10941 ax-rnegex 10942 ax-rrecex 10943 ax-cnre 10944 ax-pre-lttri 10945 ax-pre-lttrn 10946 ax-pre-ltadd 10947 ax-pre-mulgt0 10948 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3069 df-rex 3070 df-rmo 3071 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-pss 3906 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-tp 4566 df-op 4568 df-uni 4840 df-int 4880 df-iun 4926 df-br 5075 df-opab 5137 df-mpt 5158 df-tr 5192 df-id 5489 df-eprel 5495 df-po 5503 df-so 5504 df-fr 5544 df-we 5546 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-pred 6202 df-ord 6269 df-on 6270 df-lim 6271 df-suc 6272 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-riota 7232 df-ov 7278 df-oprab 7279 df-mpo 7280 df-om 7713 df-1st 7831 df-2nd 7832 df-frecs 8097 df-wrecs 8128 df-recs 8202 df-rdg 8241 df-1o 8297 df-er 8498 df-en 8734 df-dom 8735 df-sdom 8736 df-fin 8737 df-card 9697 df-pnf 11011 df-mnf 11012 df-xr 11013 df-ltxr 11014 df-le 11015 df-sub 11207 df-neg 11208 df-nn 11974 df-2 12036 df-3 12037 df-4 12038 df-5 12039 df-6 12040 df-7 12041 df-8 12042 df-9 12043 df-n0 12234 df-z 12320 df-dec 12438 df-uz 12583 df-fz 13240 df-hash 14045 df-struct 16848 df-sets 16865 df-slot 16883 df-ndx 16895 df-base 16913 df-ress 16942 df-plusg 16975 df-mulr 16976 df-sca 16978 df-vsca 16979 df-ip 16980 df-tset 16981 df-ple 16982 df-rest 17133 df-topn 17134 df-0g 17152 df-mgm 18326 df-sgrp 18375 df-mnd 18386 df-grp 18580 df-minusg 18581 df-sbg 18582 df-subg 18752 df-mgp 19721 df-ur 19738 df-ring 19785 df-subrg 20022 df-lmod 20125 df-lss 20194 df-sra 20434 df-rgmod 20435 df-lidl 20436 df-prmidl 31611 df-idlsrg 31646 df-rspec 31813 |
This theorem is referenced by: zarcmplem 31831 |
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