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Mirrors > Home > MPE Home > Th. List > Mathboxes > frlmdim | Structured version Visualization version GIF version |
Description: Dimension of a free left module. (Contributed by Thierry Arnoux, 20-May-2023.) |
Ref | Expression |
---|---|
frlmdim.f | ⊢ 𝐹 = (𝑅 freeLMod 𝐼) |
Ref | Expression |
---|---|
frlmdim | ⊢ ((𝑅 ∈ DivRing ∧ 𝐼 ∈ 𝑉) → (dim‘𝐹) = (♯‘𝐼)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | frlmdim.f | . . . 4 ⊢ 𝐹 = (𝑅 freeLMod 𝐼) | |
2 | 1 | frlmlvec 21798 | . . 3 ⊢ ((𝑅 ∈ DivRing ∧ 𝐼 ∈ 𝑉) → 𝐹 ∈ LVec) |
3 | drngring 20752 | . . . 4 ⊢ (𝑅 ∈ DivRing → 𝑅 ∈ Ring) | |
4 | eqid 2734 | . . . . 5 ⊢ (𝑅 unitVec 𝐼) = (𝑅 unitVec 𝐼) | |
5 | eqid 2734 | . . . . 5 ⊢ (LBasis‘𝐹) = (LBasis‘𝐹) | |
6 | 1, 4, 5 | frlmlbs 21834 | . . . 4 ⊢ ((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑉) → ran (𝑅 unitVec 𝐼) ∈ (LBasis‘𝐹)) |
7 | 3, 6 | sylan 580 | . . 3 ⊢ ((𝑅 ∈ DivRing ∧ 𝐼 ∈ 𝑉) → ran (𝑅 unitVec 𝐼) ∈ (LBasis‘𝐹)) |
8 | 5 | dimval 33627 | . . 3 ⊢ ((𝐹 ∈ LVec ∧ ran (𝑅 unitVec 𝐼) ∈ (LBasis‘𝐹)) → (dim‘𝐹) = (♯‘ran (𝑅 unitVec 𝐼))) |
9 | 2, 7, 8 | syl2anc 584 | . 2 ⊢ ((𝑅 ∈ DivRing ∧ 𝐼 ∈ 𝑉) → (dim‘𝐹) = (♯‘ran (𝑅 unitVec 𝐼))) |
10 | simpr 484 | . . 3 ⊢ ((𝑅 ∈ DivRing ∧ 𝐼 ∈ 𝑉) → 𝐼 ∈ 𝑉) | |
11 | drngnzr 20764 | . . . 4 ⊢ (𝑅 ∈ DivRing → 𝑅 ∈ NzRing) | |
12 | eqid 2734 | . . . . 5 ⊢ (Base‘𝐹) = (Base‘𝐹) | |
13 | 4, 1, 12 | uvcf1 21829 | . . . 4 ⊢ ((𝑅 ∈ NzRing ∧ 𝐼 ∈ 𝑉) → (𝑅 unitVec 𝐼):𝐼–1-1→(Base‘𝐹)) |
14 | 11, 13 | sylan 580 | . . 3 ⊢ ((𝑅 ∈ DivRing ∧ 𝐼 ∈ 𝑉) → (𝑅 unitVec 𝐼):𝐼–1-1→(Base‘𝐹)) |
15 | hashf1rn 14387 | . . 3 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝑅 unitVec 𝐼):𝐼–1-1→(Base‘𝐹)) → (♯‘(𝑅 unitVec 𝐼)) = (♯‘ran (𝑅 unitVec 𝐼))) | |
16 | 10, 14, 15 | syl2anc 584 | . 2 ⊢ ((𝑅 ∈ DivRing ∧ 𝐼 ∈ 𝑉) → (♯‘(𝑅 unitVec 𝐼)) = (♯‘ran (𝑅 unitVec 𝐼))) |
17 | mptexg 7240 | . . . . . . 7 ⊢ (𝐼 ∈ 𝑉 → (𝑘 ∈ 𝐼 ↦ if(𝑘 = 𝑗, (1r‘𝑅), (0g‘𝑅))) ∈ V) | |
18 | 17 | ad2antlr 727 | . . . . . 6 ⊢ (((𝑅 ∈ DivRing ∧ 𝐼 ∈ 𝑉) ∧ 𝑗 ∈ 𝐼) → (𝑘 ∈ 𝐼 ↦ if(𝑘 = 𝑗, (1r‘𝑅), (0g‘𝑅))) ∈ V) |
19 | 18 | ralrimiva 3143 | . . . . 5 ⊢ ((𝑅 ∈ DivRing ∧ 𝐼 ∈ 𝑉) → ∀𝑗 ∈ 𝐼 (𝑘 ∈ 𝐼 ↦ if(𝑘 = 𝑗, (1r‘𝑅), (0g‘𝑅))) ∈ V) |
20 | eqid 2734 | . . . . . 6 ⊢ (𝑗 ∈ 𝐼 ↦ (𝑘 ∈ 𝐼 ↦ if(𝑘 = 𝑗, (1r‘𝑅), (0g‘𝑅)))) = (𝑗 ∈ 𝐼 ↦ (𝑘 ∈ 𝐼 ↦ if(𝑘 = 𝑗, (1r‘𝑅), (0g‘𝑅)))) | |
21 | 20 | fnmpt 6708 | . . . . 5 ⊢ (∀𝑗 ∈ 𝐼 (𝑘 ∈ 𝐼 ↦ if(𝑘 = 𝑗, (1r‘𝑅), (0g‘𝑅))) ∈ V → (𝑗 ∈ 𝐼 ↦ (𝑘 ∈ 𝐼 ↦ if(𝑘 = 𝑗, (1r‘𝑅), (0g‘𝑅)))) Fn 𝐼) |
22 | 19, 21 | syl 17 | . . . 4 ⊢ ((𝑅 ∈ DivRing ∧ 𝐼 ∈ 𝑉) → (𝑗 ∈ 𝐼 ↦ (𝑘 ∈ 𝐼 ↦ if(𝑘 = 𝑗, (1r‘𝑅), (0g‘𝑅)))) Fn 𝐼) |
23 | eqid 2734 | . . . . . 6 ⊢ (1r‘𝑅) = (1r‘𝑅) | |
24 | eqid 2734 | . . . . . 6 ⊢ (0g‘𝑅) = (0g‘𝑅) | |
25 | 4, 23, 24 | uvcfval 21821 | . . . . 5 ⊢ ((𝑅 ∈ DivRing ∧ 𝐼 ∈ 𝑉) → (𝑅 unitVec 𝐼) = (𝑗 ∈ 𝐼 ↦ (𝑘 ∈ 𝐼 ↦ if(𝑘 = 𝑗, (1r‘𝑅), (0g‘𝑅))))) |
26 | 25 | fneq1d 6661 | . . . 4 ⊢ ((𝑅 ∈ DivRing ∧ 𝐼 ∈ 𝑉) → ((𝑅 unitVec 𝐼) Fn 𝐼 ↔ (𝑗 ∈ 𝐼 ↦ (𝑘 ∈ 𝐼 ↦ if(𝑘 = 𝑗, (1r‘𝑅), (0g‘𝑅)))) Fn 𝐼)) |
27 | 22, 26 | mpbird 257 | . . 3 ⊢ ((𝑅 ∈ DivRing ∧ 𝐼 ∈ 𝑉) → (𝑅 unitVec 𝐼) Fn 𝐼) |
28 | hashfn 14410 | . . 3 ⊢ ((𝑅 unitVec 𝐼) Fn 𝐼 → (♯‘(𝑅 unitVec 𝐼)) = (♯‘𝐼)) | |
29 | 27, 28 | syl 17 | . 2 ⊢ ((𝑅 ∈ DivRing ∧ 𝐼 ∈ 𝑉) → (♯‘(𝑅 unitVec 𝐼)) = (♯‘𝐼)) |
30 | 9, 16, 29 | 3eqtr2d 2780 | 1 ⊢ ((𝑅 ∈ DivRing ∧ 𝐼 ∈ 𝑉) → (dim‘𝐹) = (♯‘𝐼)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 = wceq 1536 ∈ wcel 2105 ∀wral 3058 Vcvv 3477 ifcif 4530 ↦ cmpt 5230 ran crn 5689 Fn wfn 6557 –1-1→wf1 6559 ‘cfv 6562 (class class class)co 7430 ♯chash 14365 Basecbs 17244 0gc0g 17485 1rcur 20198 Ringcrg 20250 NzRingcnzr 20528 DivRingcdr 20745 LBasisclbs 21090 LVecclvec 21118 freeLMod cfrlm 21783 unitVec cuvc 21819 dimcldim 33625 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1791 ax-4 1805 ax-5 1907 ax-6 1964 ax-7 2004 ax-8 2107 ax-9 2115 ax-10 2138 ax-11 2154 ax-12 2174 ax-ext 2705 ax-rep 5284 ax-sep 5301 ax-nul 5311 ax-pow 5370 ax-pr 5437 ax-un 7753 ax-reg 9629 ax-inf2 9678 ax-ac2 10500 ax-cnex 11208 ax-resscn 11209 ax-1cn 11210 ax-icn 11211 ax-addcl 11212 ax-addrcl 11213 ax-mulcl 11214 ax-mulrcl 11215 ax-mulcom 11216 ax-addass 11217 ax-mulass 11218 ax-distr 11219 ax-i2m1 11220 ax-1ne0 11221 ax-1rid 11222 ax-rnegex 11223 ax-rrecex 11224 ax-cnre 11225 ax-pre-lttri 11226 ax-pre-lttrn 11227 ax-pre-ltadd 11228 ax-pre-mulgt0 11229 |
This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1539 df-fal 1549 df-ex 1776 df-nf 1780 df-sb 2062 df-mo 2537 df-eu 2566 df-clab 2712 df-cleq 2726 df-clel 2813 df-nfc 2889 df-ne 2938 df-nel 3044 df-ral 3059 df-rex 3068 df-rmo 3377 df-reu 3378 df-rab 3433 df-v 3479 df-sbc 3791 df-csb 3908 df-dif 3965 df-un 3967 df-in 3969 df-ss 3979 df-pss 3982 df-nul 4339 df-if 4531 df-pw 4606 df-sn 4631 df-pr 4633 df-tp 4635 df-op 4637 df-uni 4912 df-int 4951 df-iun 4997 df-iin 4998 df-br 5148 df-opab 5210 df-mpt 5231 df-tr 5265 df-id 5582 df-eprel 5588 df-po 5596 df-so 5597 df-fr 5640 df-se 5641 df-we 5642 df-xp 5694 df-rel 5695 df-cnv 5696 df-co 5697 df-dm 5698 df-rn 5699 df-res 5700 df-ima 5701 df-pred 6322 df-ord 6388 df-on 6389 df-lim 6390 df-suc 6391 df-iota 6515 df-fun 6564 df-fn 6565 df-f 6566 df-f1 6567 df-fo 6568 df-f1o 6569 df-fv 6570 df-isom 6571 df-riota 7387 df-ov 7433 df-oprab 7434 df-mpo 7435 df-of 7696 df-om 7887 df-1st 8012 df-2nd 8013 df-supp 8184 df-tpos 8249 df-frecs 8304 df-wrecs 8335 df-recs 8409 df-rdg 8448 df-1o 8504 df-2o 8505 df-er 8743 df-map 8866 df-ixp 8936 df-en 8984 df-dom 8985 df-sdom 8986 df-fin 8987 df-fsupp 9399 df-sup 9479 df-oi 9547 df-r1 9801 df-rank 9802 df-card 9976 df-acn 9979 df-ac 10153 df-pnf 11294 df-mnf 11295 df-xr 11296 df-ltxr 11297 df-le 11298 df-sub 11491 df-neg 11492 df-nn 12264 df-2 12326 df-3 12327 df-4 12328 df-5 12329 df-6 12330 df-7 12331 df-8 12332 df-9 12333 df-n0 12524 df-xnn0 12597 df-z 12611 df-dec 12731 df-uz 12876 df-fz 13544 df-fzo 13691 df-seq 14039 df-hash 14366 df-struct 17180 df-sets 17197 df-slot 17215 df-ndx 17227 df-base 17245 df-ress 17274 df-plusg 17310 df-mulr 17311 df-sca 17313 df-vsca 17314 df-ip 17315 df-tset 17316 df-ple 17317 df-ocomp 17318 df-ds 17319 df-hom 17321 df-cco 17322 df-0g 17487 df-gsum 17488 df-prds 17493 df-pws 17495 df-mre 17630 df-mrc 17631 df-mri 17632 df-acs 17633 df-proset 18351 df-drs 18352 df-poset 18370 df-ipo 18585 df-mgm 18665 df-sgrp 18744 df-mnd 18760 df-mhm 18808 df-submnd 18809 df-grp 18966 df-minusg 18967 df-sbg 18968 df-mulg 19098 df-subg 19153 df-ghm 19243 df-cntz 19347 df-cmn 19814 df-abl 19815 df-mgp 20152 df-rng 20170 df-ur 20199 df-ring 20252 df-oppr 20350 df-dvdsr 20373 df-unit 20374 df-invr 20404 df-nzr 20529 df-subrg 20586 df-drng 20747 df-lmod 20876 df-lss 20947 df-lsp 20987 df-lmhm 21038 df-lbs 21091 df-lvec 21119 df-sra 21189 df-rgmod 21190 df-dsmm 21769 df-frlm 21784 df-uvc 21820 df-dim 33626 |
This theorem is referenced by: rrxdim 33641 matdim 33642 |
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