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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 2610 | . . . . 5 ⊢ (𝑁 × 𝑁) = (𝑁 × 𝑁) | |
7 | 1, 2, 3, 4, 5, 6 | matvsca2 20053 | . . . 4 ⊢ ((𝑋 ∈ 𝐾 ∧ 𝑌 ∈ 𝐵) → (𝑋 · 𝑌) = (((𝑁 × 𝑁) × {𝑋}) ∘𝑓 × 𝑌)) |
8 | 7 | oveqd 6566 | . . 3 ⊢ ((𝑋 ∈ 𝐾 ∧ 𝑌 ∈ 𝐵) → (𝐼(𝑋 · 𝑌)𝐽) = (𝐼(((𝑁 × 𝑁) × {𝑋}) ∘𝑓 × 𝑌)𝐽)) |
9 | 8 | 3ad2ant2 1076 | . 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 6552 | . . 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 5072 | . . . 4 ⊢ ((𝐼 ∈ 𝑁 ∧ 𝐽 ∈ 𝑁) → 〈𝐼, 𝐽〉 ∈ (𝑁 × 𝑁)) | |
13 | 12 | 3ad2ant3 1077 | . . 3 ⊢ ((𝑅 ∈ Ring ∧ (𝑋 ∈ 𝐾 ∧ 𝑌 ∈ 𝐵) ∧ (𝐼 ∈ 𝑁 ∧ 𝐽 ∈ 𝑁)) → 〈𝐼, 𝐽〉 ∈ (𝑁 × 𝑁)) |
14 | 1, 2 | matrcl 20037 | . . . . . . . 8 ⊢ (𝑌 ∈ 𝐵 → (𝑁 ∈ Fin ∧ 𝑅 ∈ V)) |
15 | 14 | simpld 474 | . . . . . . 7 ⊢ (𝑌 ∈ 𝐵 → 𝑁 ∈ Fin) |
16 | 15 | adantl 481 | . . . . . 6 ⊢ ((𝑋 ∈ 𝐾 ∧ 𝑌 ∈ 𝐵) → 𝑁 ∈ Fin) |
17 | 16 | 3ad2ant2 1076 | . . . . 5 ⊢ ((𝑅 ∈ Ring ∧ (𝑋 ∈ 𝐾 ∧ 𝑌 ∈ 𝐵) ∧ (𝐼 ∈ 𝑁 ∧ 𝐽 ∈ 𝑁)) → 𝑁 ∈ Fin) |
18 | xpfi 8116 | . . . . 5 ⊢ ((𝑁 ∈ Fin ∧ 𝑁 ∈ Fin) → (𝑁 × 𝑁) ∈ Fin) | |
19 | 17, 17, 18 | syl2anc 691 | . . . 4 ⊢ ((𝑅 ∈ Ring ∧ (𝑋 ∈ 𝐾 ∧ 𝑌 ∈ 𝐵) ∧ (𝐼 ∈ 𝑁 ∧ 𝐽 ∈ 𝑁)) → (𝑁 × 𝑁) ∈ Fin) |
20 | simp2l 1080 | . . . 4 ⊢ ((𝑅 ∈ Ring ∧ (𝑋 ∈ 𝐾 ∧ 𝑌 ∈ 𝐵) ∧ (𝐼 ∈ 𝑁 ∧ 𝐽 ∈ 𝑁)) → 𝑋 ∈ 𝐾) | |
21 | 2 | eleq2i 2680 | . . . . . . . . 9 ⊢ (𝑌 ∈ 𝐵 ↔ 𝑌 ∈ (Base‘𝐴)) |
22 | 21 | biimpi 205 | . . . . . . . 8 ⊢ (𝑌 ∈ 𝐵 → 𝑌 ∈ (Base‘𝐴)) |
23 | 22 | adantl 481 | . . . . . . 7 ⊢ ((𝑋 ∈ 𝐾 ∧ 𝑌 ∈ 𝐵) → 𝑌 ∈ (Base‘𝐴)) |
24 | 23 | 3ad2ant2 1076 | . . . . . 6 ⊢ ((𝑅 ∈ Ring ∧ (𝑋 ∈ 𝐾 ∧ 𝑌 ∈ 𝐵) ∧ (𝐼 ∈ 𝑁 ∧ 𝐽 ∈ 𝑁)) → 𝑌 ∈ (Base‘𝐴)) |
25 | simp1 1054 | . . . . . . 7 ⊢ ((𝑅 ∈ Ring ∧ (𝑋 ∈ 𝐾 ∧ 𝑌 ∈ 𝐵) ∧ (𝐼 ∈ 𝑁 ∧ 𝐽 ∈ 𝑁)) → 𝑅 ∈ Ring) | |
26 | eqid 2610 | . . . . . . . 8 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
27 | 1, 26 | matbas2 20046 | . . . . . . 7 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → ((Base‘𝑅) ↑𝑚 (𝑁 × 𝑁)) = (Base‘𝐴)) |
28 | 17, 25, 27 | syl2anc 691 | . . . . . 6 ⊢ ((𝑅 ∈ Ring ∧ (𝑋 ∈ 𝐾 ∧ 𝑌 ∈ 𝐵) ∧ (𝐼 ∈ 𝑁 ∧ 𝐽 ∈ 𝑁)) → ((Base‘𝑅) ↑𝑚 (𝑁 × 𝑁)) = (Base‘𝐴)) |
29 | 24, 28 | eleqtrrd 2691 | . . . . 5 ⊢ ((𝑅 ∈ Ring ∧ (𝑋 ∈ 𝐾 ∧ 𝑌 ∈ 𝐵) ∧ (𝐼 ∈ 𝑁 ∧ 𝐽 ∈ 𝑁)) → 𝑌 ∈ ((Base‘𝑅) ↑𝑚 (𝑁 × 𝑁))) |
30 | elmapfn 7766 | . . . . 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 6552 | . . . . . 6 ⊢ (𝐼𝑌𝐽) = (𝑌‘〈𝐼, 𝐽〉) | |
33 | 32 | eqcomi 2619 | . . . . 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 6818 | . . 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 699 | . 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 2648 | 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 383 ∧ w3a 1031 = wceq 1475 ∈ wcel 1977 Vcvv 3173 {csn 4125 〈cop 4131 × cxp 5036 Fn wfn 5799 ‘cfv 5804 (class class class)co 6549 ∘𝑓 cof 6793 ↑𝑚 cmap 7744 Fincfn 7841 Basecbs 15695 .rcmulr 15769 ·𝑠 cvsca 15772 Ringcrg 18370 Mat cmat 20032 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-8 1979 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-rep 4699 ax-sep 4709 ax-nul 4717 ax-pow 4769 ax-pr 4833 ax-un 6847 ax-cnex 9871 ax-resscn 9872 ax-1cn 9873 ax-icn 9874 ax-addcl 9875 ax-addrcl 9876 ax-mulcl 9877 ax-mulrcl 9878 ax-mulcom 9879 ax-addass 9880 ax-mulass 9881 ax-distr 9882 ax-i2m1 9883 ax-1ne0 9884 ax-1rid 9885 ax-rnegex 9886 ax-rrecex 9887 ax-cnre 9888 ax-pre-lttri 9889 ax-pre-lttrn 9890 ax-pre-ltadd 9891 ax-pre-mulgt0 9892 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3or 1032 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ne 2782 df-nel 2783 df-ral 2901 df-rex 2902 df-reu 2903 df-rab 2905 df-v 3175 df-sbc 3403 df-csb 3500 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-pss 3556 df-nul 3875 df-if 4037 df-pw 4110 df-sn 4126 df-pr 4128 df-tp 4130 df-op 4132 df-ot 4134 df-uni 4373 df-int 4411 df-iun 4457 df-br 4584 df-opab 4644 df-mpt 4645 df-tr 4681 df-eprel 4949 df-id 4953 df-po 4959 df-so 4960 df-fr 4997 df-we 4999 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-rn 5049 df-res 5050 df-ima 5051 df-pred 5597 df-ord 5643 df-on 5644 df-lim 5645 df-suc 5646 df-iota 5768 df-fun 5806 df-fn 5807 df-f 5808 df-f1 5809 df-fo 5810 df-f1o 5811 df-fv 5812 df-riota 6511 df-ov 6552 df-oprab 6553 df-mpt2 6554 df-of 6795 df-om 6958 df-1st 7059 df-2nd 7060 df-supp 7183 df-wrecs 7294 df-recs 7355 df-rdg 7393 df-1o 7447 df-oadd 7451 df-er 7629 df-map 7746 df-ixp 7795 df-en 7842 df-dom 7843 df-sdom 7844 df-fin 7845 df-fsupp 8159 df-sup 8231 df-pnf 9955 df-mnf 9956 df-xr 9957 df-ltxr 9958 df-le 9959 df-sub 10147 df-neg 10148 df-nn 10898 df-2 10956 df-3 10957 df-4 10958 df-5 10959 df-6 10960 df-7 10961 df-8 10962 df-9 10963 df-n0 11170 df-z 11255 df-dec 11370 df-uz 11564 df-fz 12198 df-struct 15697 df-ndx 15698 df-slot 15699 df-base 15700 df-sets 15701 df-ress 15702 df-plusg 15781 df-mulr 15782 df-sca 15784 df-vsca 15785 df-ip 15786 df-tset 15787 df-ple 15788 df-ds 15791 df-hom 15793 df-cco 15794 df-0g 15925 df-prds 15931 df-pws 15933 df-sra 18993 df-rgmod 18994 df-dsmm 19895 df-frlm 19910 df-mat 20033 |
This theorem is referenced by: dmatscmcl 20128 scmatscmide 20132 scmatscm 20138 mat2pmatlin 20359 monmatcollpw 20403 pmatcollpwlem 20404 chpmat1dlem 20459 chpdmatlem2 20463 chpdmatlem3 20464 |
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