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Mirrors > Home > MPE Home > Th. List > matgsumcl | Structured version Visualization version GIF version |
Description: Closure of a group sum over the diagonal coefficients of a square matrix over a commutative ring. (Contributed by AV, 29-Dec-2018.) (Proof shortened by AV, 23-Jul-2019.) |
Ref | Expression |
---|---|
madetsumid.a | ⊢ 𝐴 = (𝑁 Mat 𝑅) |
madetsumid.b | ⊢ 𝐵 = (Base‘𝐴) |
madetsumid.u | ⊢ 𝑈 = (mulGrp‘𝑅) |
Ref | Expression |
---|---|
matgsumcl | ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → (𝑈 Σg (𝑟 ∈ 𝑁 ↦ (𝑟𝑀𝑟))) ∈ (Base‘𝑅)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | madetsumid.u | . . 3 ⊢ 𝑈 = (mulGrp‘𝑅) | |
2 | eqid 2737 | . . 3 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
3 | 1, 2 | mgpbas 19510 | . 2 ⊢ (Base‘𝑅) = (Base‘𝑈) |
4 | 1 | crngmgp 19570 | . . 3 ⊢ (𝑅 ∈ CRing → 𝑈 ∈ CMnd) |
5 | 4 | adantr 484 | . 2 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → 𝑈 ∈ CMnd) |
6 | madetsumid.a | . . . . 5 ⊢ 𝐴 = (𝑁 Mat 𝑅) | |
7 | madetsumid.b | . . . . 5 ⊢ 𝐵 = (Base‘𝐴) | |
8 | 6, 7 | matrcl 21309 | . . . 4 ⊢ (𝑀 ∈ 𝐵 → (𝑁 ∈ Fin ∧ 𝑅 ∈ V)) |
9 | 8 | adantl 485 | . . 3 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → (𝑁 ∈ Fin ∧ 𝑅 ∈ V)) |
10 | 9 | simpld 498 | . 2 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → 𝑁 ∈ Fin) |
11 | simpr 488 | . . . . . 6 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → 𝑀 ∈ 𝐵) | |
12 | 6, 2, 7 | matbas2i 21319 | . . . . . 6 ⊢ (𝑀 ∈ 𝐵 → 𝑀 ∈ ((Base‘𝑅) ↑m (𝑁 × 𝑁))) |
13 | elmapi 8530 | . . . . . 6 ⊢ (𝑀 ∈ ((Base‘𝑅) ↑m (𝑁 × 𝑁)) → 𝑀:(𝑁 × 𝑁)⟶(Base‘𝑅)) | |
14 | 11, 12, 13 | 3syl 18 | . . . . 5 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → 𝑀:(𝑁 × 𝑁)⟶(Base‘𝑅)) |
15 | 14 | adantr 484 | . . . 4 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑟 ∈ 𝑁) → 𝑀:(𝑁 × 𝑁)⟶(Base‘𝑅)) |
16 | simpr 488 | . . . 4 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑟 ∈ 𝑁) → 𝑟 ∈ 𝑁) | |
17 | 15, 16, 16 | fovrnd 7380 | . . 3 ⊢ (((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑟 ∈ 𝑁) → (𝑟𝑀𝑟) ∈ (Base‘𝑅)) |
18 | 17 | ralrimiva 3105 | . 2 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → ∀𝑟 ∈ 𝑁 (𝑟𝑀𝑟) ∈ (Base‘𝑅)) |
19 | 3, 5, 10, 18 | gsummptcl 19352 | 1 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → (𝑈 Σg (𝑟 ∈ 𝑁 ↦ (𝑟𝑀𝑟))) ∈ (Base‘𝑅)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 = wceq 1543 ∈ wcel 2110 Vcvv 3408 ↦ cmpt 5135 × cxp 5549 ⟶wf 6376 ‘cfv 6380 (class class class)co 7213 ↑m cmap 8508 Fincfn 8626 Basecbs 16760 Σg cgsu 16945 CMndccmn 19170 mulGrpcmgp 19504 CRingccrg 19563 Mat cmat 21304 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2016 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2158 ax-12 2175 ax-ext 2708 ax-rep 5179 ax-sep 5192 ax-nul 5199 ax-pow 5258 ax-pr 5322 ax-un 7523 ax-cnex 10785 ax-resscn 10786 ax-1cn 10787 ax-icn 10788 ax-addcl 10789 ax-addrcl 10790 ax-mulcl 10791 ax-mulrcl 10792 ax-mulcom 10793 ax-addass 10794 ax-mulass 10795 ax-distr 10796 ax-i2m1 10797 ax-1ne0 10798 ax-1rid 10799 ax-rnegex 10800 ax-rrecex 10801 ax-cnre 10802 ax-pre-lttri 10803 ax-pre-lttrn 10804 ax-pre-ltadd 10805 ax-pre-mulgt0 10806 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3or 1090 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2071 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2729 df-clel 2816 df-nfc 2886 df-ne 2941 df-nel 3047 df-ral 3066 df-rex 3067 df-reu 3068 df-rmo 3069 df-rab 3070 df-v 3410 df-sbc 3695 df-csb 3812 df-dif 3869 df-un 3871 df-in 3873 df-ss 3883 df-pss 3885 df-nul 4238 df-if 4440 df-pw 4515 df-sn 4542 df-pr 4544 df-tp 4546 df-op 4548 df-ot 4550 df-uni 4820 df-int 4860 df-iun 4906 df-br 5054 df-opab 5116 df-mpt 5136 df-tr 5162 df-id 5455 df-eprel 5460 df-po 5468 df-so 5469 df-fr 5509 df-se 5510 df-we 5511 df-xp 5557 df-rel 5558 df-cnv 5559 df-co 5560 df-dm 5561 df-rn 5562 df-res 5563 df-ima 5564 df-pred 6160 df-ord 6216 df-on 6217 df-lim 6218 df-suc 6219 df-iota 6338 df-fun 6382 df-fn 6383 df-f 6384 df-f1 6385 df-fo 6386 df-f1o 6387 df-fv 6388 df-isom 6389 df-riota 7170 df-ov 7216 df-oprab 7217 df-mpo 7218 df-om 7645 df-1st 7761 df-2nd 7762 df-supp 7904 df-wrecs 8047 df-recs 8108 df-rdg 8146 df-1o 8202 df-er 8391 df-map 8510 df-ixp 8579 df-en 8627 df-dom 8628 df-sdom 8629 df-fin 8630 df-fsupp 8986 df-sup 9058 df-oi 9126 df-card 9555 df-pnf 10869 df-mnf 10870 df-xr 10871 df-ltxr 10872 df-le 10873 df-sub 11064 df-neg 11065 df-nn 11831 df-2 11893 df-3 11894 df-4 11895 df-5 11896 df-6 11897 df-7 11898 df-8 11899 df-9 11900 df-n0 12091 df-z 12177 df-dec 12294 df-uz 12439 df-fz 13096 df-fzo 13239 df-seq 13575 df-hash 13897 df-struct 16700 df-sets 16717 df-slot 16735 df-ndx 16745 df-base 16761 df-ress 16785 df-plusg 16815 df-mulr 16816 df-sca 16818 df-vsca 16819 df-ip 16820 df-tset 16821 df-ple 16822 df-ds 16824 df-hom 16826 df-cco 16827 df-0g 16946 df-gsum 16947 df-prds 16952 df-pws 16954 df-mgm 18114 df-sgrp 18163 df-mnd 18174 df-cntz 18711 df-cmn 19172 df-mgp 19505 df-cring 19565 df-sra 20209 df-rgmod 20210 df-dsmm 20694 df-frlm 20709 df-mat 21305 |
This theorem is referenced by: madetsumid 21358 |
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