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Mirrors > Home > MPE Home > Th. List > matvscacell | Structured version Visualization version GIF version |
Description: Scalar multiplication in the matrix ring is cell-wise. (Contributed by AV, 7-Aug-2019.) |
Ref | Expression |
---|---|
matplusgcell.a | ⊢ 𝐴 = (𝑁 Mat 𝑅) |
matplusgcell.b | ⊢ 𝐵 = (Base‘𝐴) |
matvscacell.k | ⊢ 𝐾 = (Base‘𝑅) |
matvscacell.v | ⊢ · = ( ·𝑠 ‘𝐴) |
matvscacell.t | ⊢ × = (.r‘𝑅) |
Ref | Expression |
---|---|
matvscacell | ⊢ ((𝑅 ∈ Ring ∧ (𝑋 ∈ 𝐾 ∧ 𝑌 ∈ 𝐵) ∧ (𝐼 ∈ 𝑁 ∧ 𝐽 ∈ 𝑁)) → (𝐼(𝑋 · 𝑌)𝐽) = (𝑋 × (𝐼𝑌𝐽))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | matplusgcell.a | . . . . 5 ⊢ 𝐴 = (𝑁 Mat 𝑅) | |
2 | matplusgcell.b | . . . . 5 ⊢ 𝐵 = (Base‘𝐴) | |
3 | matvscacell.k | . . . . 5 ⊢ 𝐾 = (Base‘𝑅) | |
4 | matvscacell.v | . . . . 5 ⊢ · = ( ·𝑠 ‘𝐴) | |
5 | matvscacell.t | . . . . 5 ⊢ × = (.r‘𝑅) | |
6 | eqid 2737 | . . . . 5 ⊢ (𝑁 × 𝑁) = (𝑁 × 𝑁) | |
7 | 1, 2, 3, 4, 5, 6 | matvsca2 21325 | . . . 4 ⊢ ((𝑋 ∈ 𝐾 ∧ 𝑌 ∈ 𝐵) → (𝑋 · 𝑌) = (((𝑁 × 𝑁) × {𝑋}) ∘f × 𝑌)) |
8 | 7 | oveqd 7230 | . . 3 ⊢ ((𝑋 ∈ 𝐾 ∧ 𝑌 ∈ 𝐵) → (𝐼(𝑋 · 𝑌)𝐽) = (𝐼(((𝑁 × 𝑁) × {𝑋}) ∘f × 𝑌)𝐽)) |
9 | 8 | 3ad2ant2 1136 | . 2 ⊢ ((𝑅 ∈ Ring ∧ (𝑋 ∈ 𝐾 ∧ 𝑌 ∈ 𝐵) ∧ (𝐼 ∈ 𝑁 ∧ 𝐽 ∈ 𝑁)) → (𝐼(𝑋 · 𝑌)𝐽) = (𝐼(((𝑁 × 𝑁) × {𝑋}) ∘f × 𝑌)𝐽)) |
10 | df-ov 7216 | . . 3 ⊢ (𝐼(((𝑁 × 𝑁) × {𝑋}) ∘f × 𝑌)𝐽) = ((((𝑁 × 𝑁) × {𝑋}) ∘f × 𝑌)‘〈𝐼, 𝐽〉) | |
11 | 10 | a1i 11 | . 2 ⊢ ((𝑅 ∈ Ring ∧ (𝑋 ∈ 𝐾 ∧ 𝑌 ∈ 𝐵) ∧ (𝐼 ∈ 𝑁 ∧ 𝐽 ∈ 𝑁)) → (𝐼(((𝑁 × 𝑁) × {𝑋}) ∘f × 𝑌)𝐽) = ((((𝑁 × 𝑁) × {𝑋}) ∘f × 𝑌)‘〈𝐼, 𝐽〉)) |
12 | opelxpi 5588 | . . . 4 ⊢ ((𝐼 ∈ 𝑁 ∧ 𝐽 ∈ 𝑁) → 〈𝐼, 𝐽〉 ∈ (𝑁 × 𝑁)) | |
13 | 12 | 3ad2ant3 1137 | . . 3 ⊢ ((𝑅 ∈ Ring ∧ (𝑋 ∈ 𝐾 ∧ 𝑌 ∈ 𝐵) ∧ (𝐼 ∈ 𝑁 ∧ 𝐽 ∈ 𝑁)) → 〈𝐼, 𝐽〉 ∈ (𝑁 × 𝑁)) |
14 | 1, 2 | matrcl 21309 | . . . . . . . 8 ⊢ (𝑌 ∈ 𝐵 → (𝑁 ∈ Fin ∧ 𝑅 ∈ V)) |
15 | 14 | simpld 498 | . . . . . . 7 ⊢ (𝑌 ∈ 𝐵 → 𝑁 ∈ Fin) |
16 | 15 | adantl 485 | . . . . . 6 ⊢ ((𝑋 ∈ 𝐾 ∧ 𝑌 ∈ 𝐵) → 𝑁 ∈ Fin) |
17 | 16 | 3ad2ant2 1136 | . . . . 5 ⊢ ((𝑅 ∈ Ring ∧ (𝑋 ∈ 𝐾 ∧ 𝑌 ∈ 𝐵) ∧ (𝐼 ∈ 𝑁 ∧ 𝐽 ∈ 𝑁)) → 𝑁 ∈ Fin) |
18 | xpfi 8942 | . . . . 5 ⊢ ((𝑁 ∈ Fin ∧ 𝑁 ∈ Fin) → (𝑁 × 𝑁) ∈ Fin) | |
19 | 17, 17, 18 | syl2anc 587 | . . . 4 ⊢ ((𝑅 ∈ Ring ∧ (𝑋 ∈ 𝐾 ∧ 𝑌 ∈ 𝐵) ∧ (𝐼 ∈ 𝑁 ∧ 𝐽 ∈ 𝑁)) → (𝑁 × 𝑁) ∈ Fin) |
20 | simp2l 1201 | . . . 4 ⊢ ((𝑅 ∈ Ring ∧ (𝑋 ∈ 𝐾 ∧ 𝑌 ∈ 𝐵) ∧ (𝐼 ∈ 𝑁 ∧ 𝐽 ∈ 𝑁)) → 𝑋 ∈ 𝐾) | |
21 | 2 | eleq2i 2829 | . . . . . . . . 9 ⊢ (𝑌 ∈ 𝐵 ↔ 𝑌 ∈ (Base‘𝐴)) |
22 | 21 | biimpi 219 | . . . . . . . 8 ⊢ (𝑌 ∈ 𝐵 → 𝑌 ∈ (Base‘𝐴)) |
23 | 22 | adantl 485 | . . . . . . 7 ⊢ ((𝑋 ∈ 𝐾 ∧ 𝑌 ∈ 𝐵) → 𝑌 ∈ (Base‘𝐴)) |
24 | 23 | 3ad2ant2 1136 | . . . . . 6 ⊢ ((𝑅 ∈ Ring ∧ (𝑋 ∈ 𝐾 ∧ 𝑌 ∈ 𝐵) ∧ (𝐼 ∈ 𝑁 ∧ 𝐽 ∈ 𝑁)) → 𝑌 ∈ (Base‘𝐴)) |
25 | simp1 1138 | . . . . . . 7 ⊢ ((𝑅 ∈ Ring ∧ (𝑋 ∈ 𝐾 ∧ 𝑌 ∈ 𝐵) ∧ (𝐼 ∈ 𝑁 ∧ 𝐽 ∈ 𝑁)) → 𝑅 ∈ Ring) | |
26 | eqid 2737 | . . . . . . . 8 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
27 | 1, 26 | matbas2 21318 | . . . . . . 7 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → ((Base‘𝑅) ↑m (𝑁 × 𝑁)) = (Base‘𝐴)) |
28 | 17, 25, 27 | syl2anc 587 | . . . . . 6 ⊢ ((𝑅 ∈ Ring ∧ (𝑋 ∈ 𝐾 ∧ 𝑌 ∈ 𝐵) ∧ (𝐼 ∈ 𝑁 ∧ 𝐽 ∈ 𝑁)) → ((Base‘𝑅) ↑m (𝑁 × 𝑁)) = (Base‘𝐴)) |
29 | 24, 28 | eleqtrrd 2841 | . . . . 5 ⊢ ((𝑅 ∈ Ring ∧ (𝑋 ∈ 𝐾 ∧ 𝑌 ∈ 𝐵) ∧ (𝐼 ∈ 𝑁 ∧ 𝐽 ∈ 𝑁)) → 𝑌 ∈ ((Base‘𝑅) ↑m (𝑁 × 𝑁))) |
30 | elmapfn 8546 | . . . . 5 ⊢ (𝑌 ∈ ((Base‘𝑅) ↑m (𝑁 × 𝑁)) → 𝑌 Fn (𝑁 × 𝑁)) | |
31 | 29, 30 | syl 17 | . . . 4 ⊢ ((𝑅 ∈ Ring ∧ (𝑋 ∈ 𝐾 ∧ 𝑌 ∈ 𝐵) ∧ (𝐼 ∈ 𝑁 ∧ 𝐽 ∈ 𝑁)) → 𝑌 Fn (𝑁 × 𝑁)) |
32 | df-ov 7216 | . . . . . 6 ⊢ (𝐼𝑌𝐽) = (𝑌‘〈𝐼, 𝐽〉) | |
33 | 32 | eqcomi 2746 | . . . . 5 ⊢ (𝑌‘〈𝐼, 𝐽〉) = (𝐼𝑌𝐽) |
34 | 33 | a1i 11 | . . . 4 ⊢ (((𝑅 ∈ Ring ∧ (𝑋 ∈ 𝐾 ∧ 𝑌 ∈ 𝐵) ∧ (𝐼 ∈ 𝑁 ∧ 𝐽 ∈ 𝑁)) ∧ 〈𝐼, 𝐽〉 ∈ (𝑁 × 𝑁)) → (𝑌‘〈𝐼, 𝐽〉) = (𝐼𝑌𝐽)) |
35 | 19, 20, 31, 34 | ofc1 7494 | . . 3 ⊢ (((𝑅 ∈ Ring ∧ (𝑋 ∈ 𝐾 ∧ 𝑌 ∈ 𝐵) ∧ (𝐼 ∈ 𝑁 ∧ 𝐽 ∈ 𝑁)) ∧ 〈𝐼, 𝐽〉 ∈ (𝑁 × 𝑁)) → ((((𝑁 × 𝑁) × {𝑋}) ∘f × 𝑌)‘〈𝐼, 𝐽〉) = (𝑋 × (𝐼𝑌𝐽))) |
36 | 13, 35 | mpdan 687 | . 2 ⊢ ((𝑅 ∈ Ring ∧ (𝑋 ∈ 𝐾 ∧ 𝑌 ∈ 𝐵) ∧ (𝐼 ∈ 𝑁 ∧ 𝐽 ∈ 𝑁)) → ((((𝑁 × 𝑁) × {𝑋}) ∘f × 𝑌)‘〈𝐼, 𝐽〉) = (𝑋 × (𝐼𝑌𝐽))) |
37 | 9, 11, 36 | 3eqtrd 2781 | 1 ⊢ ((𝑅 ∈ Ring ∧ (𝑋 ∈ 𝐾 ∧ 𝑌 ∈ 𝐵) ∧ (𝐼 ∈ 𝑁 ∧ 𝐽 ∈ 𝑁)) → (𝐼(𝑋 · 𝑌)𝐽) = (𝑋 × (𝐼𝑌𝐽))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 ∧ w3a 1089 = wceq 1543 ∈ wcel 2110 Vcvv 3408 {csn 4541 〈cop 4547 × cxp 5549 Fn wfn 6375 ‘cfv 6380 (class class class)co 7213 ∘f cof 7467 ↑m cmap 8508 Fincfn 8626 Basecbs 16760 .rcmulr 16803 ·𝑠 cvsca 16806 Ringcrg 19562 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-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-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-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-riota 7170 df-ov 7216 df-oprab 7217 df-mpo 7218 df-of 7469 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-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-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-prds 16952 df-pws 16954 df-sra 20209 df-rgmod 20210 df-dsmm 20694 df-frlm 20709 df-mat 21305 |
This theorem is referenced by: dmatscmcl 21400 scmatscmide 21404 scmatscm 21410 mat2pmatlin 21632 monmatcollpw 21676 pmatcollpwlem 21677 chpmat1dlem 21732 chpdmatlem2 21736 chpdmatlem3 21737 |
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