Mathbox for Thierry Arnoux |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > rgmoddim | Structured version Visualization version GIF version |
Description: The left vector space induced by a ring over itself has dimension 1. (Contributed by Thierry Arnoux, 5-Aug-2023.) |
Ref | Expression |
---|---|
rgmoddim.1 | ⊢ 𝑉 = (ringLMod‘𝐹) |
Ref | Expression |
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rgmoddim | ⊢ (𝐹 ∈ Field → (dim‘𝑉) = 1) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | isfld 19915 | . . . . 5 ⊢ (𝐹 ∈ Field ↔ (𝐹 ∈ DivRing ∧ 𝐹 ∈ CRing)) | |
2 | 1 | simplbi 497 | . . . 4 ⊢ (𝐹 ∈ Field → 𝐹 ∈ DivRing) |
3 | eqid 2738 | . . . . . 6 ⊢ (Base‘𝐹) = (Base‘𝐹) | |
4 | 3 | ressid 16880 | . . . . 5 ⊢ (𝐹 ∈ Field → (𝐹 ↾s (Base‘𝐹)) = 𝐹) |
5 | 4, 2 | eqeltrd 2839 | . . . 4 ⊢ (𝐹 ∈ Field → (𝐹 ↾s (Base‘𝐹)) ∈ DivRing) |
6 | drngring 19913 | . . . . 5 ⊢ (𝐹 ∈ DivRing → 𝐹 ∈ Ring) | |
7 | 3 | subrgid 19941 | . . . . 5 ⊢ (𝐹 ∈ Ring → (Base‘𝐹) ∈ (SubRing‘𝐹)) |
8 | 2, 6, 7 | 3syl 18 | . . . 4 ⊢ (𝐹 ∈ Field → (Base‘𝐹) ∈ (SubRing‘𝐹)) |
9 | rgmoddim.1 | . . . . . 6 ⊢ 𝑉 = (ringLMod‘𝐹) | |
10 | rlmval 20374 | . . . . . 6 ⊢ (ringLMod‘𝐹) = ((subringAlg ‘𝐹)‘(Base‘𝐹)) | |
11 | 9, 10 | eqtri 2766 | . . . . 5 ⊢ 𝑉 = ((subringAlg ‘𝐹)‘(Base‘𝐹)) |
12 | eqid 2738 | . . . . 5 ⊢ (𝐹 ↾s (Base‘𝐹)) = (𝐹 ↾s (Base‘𝐹)) | |
13 | 11, 12 | sralvec 31577 | . . . 4 ⊢ ((𝐹 ∈ DivRing ∧ (𝐹 ↾s (Base‘𝐹)) ∈ DivRing ∧ (Base‘𝐹) ∈ (SubRing‘𝐹)) → 𝑉 ∈ LVec) |
14 | 2, 5, 8, 13 | syl3anc 1369 | . . 3 ⊢ (𝐹 ∈ Field → 𝑉 ∈ LVec) |
15 | 2, 6 | syl 17 | . . . . . . 7 ⊢ (𝐹 ∈ Field → 𝐹 ∈ Ring) |
16 | ssidd 3940 | . . . . . . 7 ⊢ (𝐹 ∈ Field → (Base‘𝐹) ⊆ (Base‘𝐹)) | |
17 | 11, 3 | sraring 31574 | . . . . . . 7 ⊢ ((𝐹 ∈ Ring ∧ (Base‘𝐹) ⊆ (Base‘𝐹)) → 𝑉 ∈ Ring) |
18 | 15, 16, 17 | syl2anc 583 | . . . . . 6 ⊢ (𝐹 ∈ Field → 𝑉 ∈ Ring) |
19 | eqid 2738 | . . . . . . 7 ⊢ (Base‘𝑉) = (Base‘𝑉) | |
20 | eqid 2738 | . . . . . . 7 ⊢ (1r‘𝑉) = (1r‘𝑉) | |
21 | 19, 20 | ringidcl 19722 | . . . . . 6 ⊢ (𝑉 ∈ Ring → (1r‘𝑉) ∈ (Base‘𝑉)) |
22 | 18, 21 | syl 17 | . . . . 5 ⊢ (𝐹 ∈ Field → (1r‘𝑉) ∈ (Base‘𝑉)) |
23 | 11, 3 | sradrng 31575 | . . . . . . 7 ⊢ ((𝐹 ∈ DivRing ∧ (Base‘𝐹) ⊆ (Base‘𝐹)) → 𝑉 ∈ DivRing) |
24 | 2, 16, 23 | syl2anc 583 | . . . . . 6 ⊢ (𝐹 ∈ Field → 𝑉 ∈ DivRing) |
25 | eqid 2738 | . . . . . . 7 ⊢ (0g‘𝑉) = (0g‘𝑉) | |
26 | 25, 20 | drngunz 19921 | . . . . . 6 ⊢ (𝑉 ∈ DivRing → (1r‘𝑉) ≠ (0g‘𝑉)) |
27 | 24, 26 | syl 17 | . . . . 5 ⊢ (𝐹 ∈ Field → (1r‘𝑉) ≠ (0g‘𝑉)) |
28 | 19, 25 | lindssn 31475 | . . . . 5 ⊢ ((𝑉 ∈ LVec ∧ (1r‘𝑉) ∈ (Base‘𝑉) ∧ (1r‘𝑉) ≠ (0g‘𝑉)) → {(1r‘𝑉)} ∈ (LIndS‘𝑉)) |
29 | 14, 22, 27, 28 | syl3anc 1369 | . . . 4 ⊢ (𝐹 ∈ Field → {(1r‘𝑉)} ∈ (LIndS‘𝑉)) |
30 | rspval 20376 | . . . . . . . . 9 ⊢ (RSpan‘𝐹) = (LSpan‘(ringLMod‘𝐹)) | |
31 | 9 | fveq2i 6759 | . . . . . . . . 9 ⊢ (LSpan‘𝑉) = (LSpan‘(ringLMod‘𝐹)) |
32 | 30, 31 | eqtr4i 2769 | . . . . . . . 8 ⊢ (RSpan‘𝐹) = (LSpan‘𝑉) |
33 | 32 | fveq1i 6757 | . . . . . . 7 ⊢ ((RSpan‘𝐹)‘{(1r‘𝐹)}) = ((LSpan‘𝑉)‘{(1r‘𝐹)}) |
34 | eqid 2738 | . . . . . . . 8 ⊢ (RSpan‘𝐹) = (RSpan‘𝐹) | |
35 | eqid 2738 | . . . . . . . 8 ⊢ (1r‘𝐹) = (1r‘𝐹) | |
36 | 34, 3, 35 | rsp1 20408 | . . . . . . 7 ⊢ (𝐹 ∈ Ring → ((RSpan‘𝐹)‘{(1r‘𝐹)}) = (Base‘𝐹)) |
37 | 33, 36 | eqtr3id 2793 | . . . . . 6 ⊢ (𝐹 ∈ Ring → ((LSpan‘𝑉)‘{(1r‘𝐹)}) = (Base‘𝐹)) |
38 | 2, 6, 37 | 3syl 18 | . . . . 5 ⊢ (𝐹 ∈ Field → ((LSpan‘𝑉)‘{(1r‘𝐹)}) = (Base‘𝐹)) |
39 | 11 | a1i 11 | . . . . . . . 8 ⊢ (𝐹 ∈ Field → 𝑉 = ((subringAlg ‘𝐹)‘(Base‘𝐹))) |
40 | eqidd 2739 | . . . . . . . 8 ⊢ (𝐹 ∈ Field → (1r‘𝐹) = (1r‘𝐹)) | |
41 | 39, 40, 16 | sra1r 31573 | . . . . . . 7 ⊢ (𝐹 ∈ Field → (1r‘𝐹) = (1r‘𝑉)) |
42 | 41 | sneqd 4570 | . . . . . 6 ⊢ (𝐹 ∈ Field → {(1r‘𝐹)} = {(1r‘𝑉)}) |
43 | 42 | fveq2d 6760 | . . . . 5 ⊢ (𝐹 ∈ Field → ((LSpan‘𝑉)‘{(1r‘𝐹)}) = ((LSpan‘𝑉)‘{(1r‘𝑉)})) |
44 | 39, 16 | srabase 20356 | . . . . 5 ⊢ (𝐹 ∈ Field → (Base‘𝐹) = (Base‘𝑉)) |
45 | 38, 43, 44 | 3eqtr3d 2786 | . . . 4 ⊢ (𝐹 ∈ Field → ((LSpan‘𝑉)‘{(1r‘𝑉)}) = (Base‘𝑉)) |
46 | eqid 2738 | . . . . 5 ⊢ (LBasis‘𝑉) = (LBasis‘𝑉) | |
47 | eqid 2738 | . . . . 5 ⊢ (LSpan‘𝑉) = (LSpan‘𝑉) | |
48 | 19, 46, 47 | islbs4 20949 | . . . 4 ⊢ ({(1r‘𝑉)} ∈ (LBasis‘𝑉) ↔ ({(1r‘𝑉)} ∈ (LIndS‘𝑉) ∧ ((LSpan‘𝑉)‘{(1r‘𝑉)}) = (Base‘𝑉))) |
49 | 29, 45, 48 | sylanbrc 582 | . . 3 ⊢ (𝐹 ∈ Field → {(1r‘𝑉)} ∈ (LBasis‘𝑉)) |
50 | 46 | dimval 31588 | . . 3 ⊢ ((𝑉 ∈ LVec ∧ {(1r‘𝑉)} ∈ (LBasis‘𝑉)) → (dim‘𝑉) = (♯‘{(1r‘𝑉)})) |
51 | 14, 49, 50 | syl2anc 583 | . 2 ⊢ (𝐹 ∈ Field → (dim‘𝑉) = (♯‘{(1r‘𝑉)})) |
52 | fvex 6769 | . . 3 ⊢ (1r‘𝑉) ∈ V | |
53 | hashsng 14012 | . . 3 ⊢ ((1r‘𝑉) ∈ V → (♯‘{(1r‘𝑉)}) = 1) | |
54 | 52, 53 | ax-mp 5 | . 2 ⊢ (♯‘{(1r‘𝑉)}) = 1 |
55 | 51, 54 | eqtrdi 2795 | 1 ⊢ (𝐹 ∈ Field → (dim‘𝑉) = 1) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1539 ∈ wcel 2108 ≠ wne 2942 Vcvv 3422 ⊆ wss 3883 {csn 4558 ‘cfv 6418 (class class class)co 7255 1c1 10803 ♯chash 13972 Basecbs 16840 ↾s cress 16867 0gc0g 17067 1rcur 19652 Ringcrg 19698 CRingccrg 19699 DivRingcdr 19906 Fieldcfield 19907 SubRingcsubrg 19935 LSpanclspn 20148 LBasisclbs 20251 LVecclvec 20279 subringAlg csra 20345 ringLModcrglmod 20346 RSpancrsp 20348 LIndSclinds 20922 dimcldim 31586 |
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-reg 9281 ax-inf2 9329 ax-ac2 10150 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 |
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-iin 4924 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-tpos 8013 df-frecs 8068 df-wrecs 8099 df-recs 8173 df-rdg 8212 df-1o 8267 df-er 8456 df-map 8575 df-en 8692 df-dom 8693 df-sdom 8694 df-fin 8695 df-oi 9199 df-r1 9453 df-rank 9454 df-card 9628 df-acn 9631 df-ac 9803 df-pnf 10942 df-mnf 10943 df-xr 10944 df-ltxr 10945 df-le 10946 df-sub 11137 df-neg 11138 df-nn 11904 df-2 11966 df-3 11967 df-4 11968 df-5 11969 df-6 11970 df-7 11971 df-8 11972 df-9 11973 df-n0 12164 df-xnn0 12236 df-z 12250 df-dec 12367 df-uz 12512 df-fz 13169 df-hash 13973 df-struct 16776 df-sets 16793 df-slot 16811 df-ndx 16823 df-base 16841 df-ress 16868 df-plusg 16901 df-mulr 16902 df-sca 16904 df-vsca 16905 df-ip 16906 df-tset 16907 df-ple 16908 df-ocomp 16909 df-0g 17069 df-mre 17212 df-mrc 17213 df-mri 17214 df-acs 17215 df-proset 17928 df-drs 17929 df-poset 17946 df-ipo 18161 df-mgm 18241 df-sgrp 18290 df-mnd 18301 df-submnd 18346 df-grp 18495 df-minusg 18496 df-sbg 18497 df-subg 18667 df-cmn 19303 df-abl 19304 df-mgp 19636 df-ur 19653 df-ring 19700 df-oppr 19777 df-dvdsr 19798 df-unit 19799 df-invr 19829 df-drng 19908 df-field 19909 df-subrg 19937 df-lmod 20040 df-lss 20109 df-lsp 20149 df-lbs 20252 df-lvec 20280 df-sra 20349 df-rgmod 20350 df-lidl 20351 df-rsp 20352 df-lindf 20923 df-linds 20924 df-dim 31587 |
This theorem is referenced by: extdgid 31637 |
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