m2cpminvid - Metamath Proof Explorer

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Theorem m2cpminvid 23071

Description: The inverse transformation applied to the transformation of a matrix over a ring R results in the matrix itself. (Contributed by AV, 12-Nov-2019.) (Revised by AV, 13-Dec-2019.)

**Hypotheses**
Ref	Expression
m2cpminvid.i	⊢ 𝐼 = (𝑁 cPolyMatToMat 𝑅)
m2cpminvid.a	⊢ 𝐴 = (𝑁 Mat 𝑅)
m2cpminvid.k	⊢ 𝐾 = (Base‘𝐴)
m2cpminvid.t	⊢ 𝑇 = (𝑁 matToPolyMat 𝑅)

**Assertion**
Ref	Expression
m2cpminvid	⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring ∧ 𝑀 ∈ 𝐾) → (𝐼‘(𝑇‘𝑀)) = 𝑀)

Proof of Theorem m2cpminvid Dummy variables 𝑖 𝑗 𝑥 𝑦 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		eqid 2760	. . . 4 ⊢ (𝑁 ConstPolyMat 𝑅) = (𝑁 ConstPolyMat 𝑅)
2		m2cpminvid.t	. . . 4 ⊢ 𝑇 = (𝑁 matToPolyMat 𝑅)
3		m2cpminvid.a	. . . 4 ⊢ 𝐴 = (𝑁 Mat 𝑅)
4		m2cpminvid.k	. . . 4 ⊢ 𝐾 = (Base‘𝐴)
5	1, 2, 3, 4	m2cpm 23059	. . 3 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring ∧ 𝑀 ∈ 𝐾) → (𝑇‘𝑀) ∈ (𝑁 ConstPolyMat 𝑅))
6		m2cpminvid.i	. . . 4 ⊢ 𝐼 = (𝑁 cPolyMatToMat 𝑅)
7	6, 1	cpm2mval 23068	. . 3 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring ∧ (𝑇‘𝑀) ∈ (𝑁 ConstPolyMat 𝑅)) → (𝐼‘(𝑇‘𝑀)) = (𝑥 ∈ 𝑁, 𝑦 ∈ 𝑁 ↦ ((coe₁‘(𝑥(𝑇‘𝑀)𝑦))‘0)))
8	5, 7	syld3an3 1436	. 2 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring ∧ 𝑀 ∈ 𝐾) → (𝐼‘(𝑇‘𝑀)) = (𝑥 ∈ 𝑁, 𝑦 ∈ 𝑁 ↦ ((coe₁‘(𝑥(𝑇‘𝑀)𝑦))‘0)))
9		eqid 2760	. . . . . . . 8 ⊢ (Poly₁‘𝑅) = (Poly₁‘𝑅)
10		eqid 2760	. . . . . . . 8 ⊢ (algSc‘(Poly₁‘𝑅)) = (algSc‘(Poly₁‘𝑅))
11	2, 3, 4, 9, 10	mat2pmatvalel 23043	. . . . . . 7 ⊢ (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring ∧ 𝑀 ∈ 𝐾) ∧ (𝑥 ∈ 𝑁 ∧ 𝑦 ∈ 𝑁)) → (𝑥(𝑇‘𝑀)𝑦) = ((algSc‘(Poly₁‘𝑅))‘(𝑥𝑀𝑦)))
12	11	3impb 1132	. . . . . 6 ⊢ (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring ∧ 𝑀 ∈ 𝐾) ∧ 𝑥 ∈ 𝑁 ∧ 𝑦 ∈ 𝑁) → (𝑥(𝑇‘𝑀)𝑦) = ((algSc‘(Poly₁‘𝑅))‘(𝑥𝑀𝑦)))
13	12	fveq2d 6889	. . . . 5 ⊢ (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring ∧ 𝑀 ∈ 𝐾) ∧ 𝑥 ∈ 𝑁 ∧ 𝑦 ∈ 𝑁) → (coe₁‘(𝑥(𝑇‘𝑀)𝑦)) = (coe₁‘((algSc‘(Poly₁‘𝑅))‘(𝑥𝑀𝑦))))
14	13	fveq1d 6887	. . . 4 ⊢ (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring ∧ 𝑀 ∈ 𝐾) ∧ 𝑥 ∈ 𝑁 ∧ 𝑦 ∈ 𝑁) → ((coe₁‘(𝑥(𝑇‘𝑀)𝑦))‘0) = ((coe₁‘((algSc‘(Poly₁‘𝑅))‘(𝑥𝑀𝑦)))‘0))
15		simp12 1223	. . . . 5 ⊢ (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring ∧ 𝑀 ∈ 𝐾) ∧ 𝑥 ∈ 𝑁 ∧ 𝑦 ∈ 𝑁) → 𝑅 ∈ Ring)
16		eqid 2760	. . . . . 6 ⊢ (Base‘𝑅) = (Base‘𝑅)
17		simp2 1155	. . . . . 6 ⊢ (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring ∧ 𝑀 ∈ 𝐾) ∧ 𝑥 ∈ 𝑁 ∧ 𝑦 ∈ 𝑁) → 𝑥 ∈ 𝑁)
18		simp3 1156	. . . . . 6 ⊢ (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring ∧ 𝑀 ∈ 𝐾) ∧ 𝑥 ∈ 𝑁 ∧ 𝑦 ∈ 𝑁) → 𝑦 ∈ 𝑁)
19		simp13 1224	. . . . . 6 ⊢ (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring ∧ 𝑀 ∈ 𝐾) ∧ 𝑥 ∈ 𝑁 ∧ 𝑦 ∈ 𝑁) → 𝑀 ∈ 𝐾)
20	3, 16, 4, 17, 18, 19	matecld 22741	. . . . 5 ⊢ (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring ∧ 𝑀 ∈ 𝐾) ∧ 𝑥 ∈ 𝑁 ∧ 𝑦 ∈ 𝑁) → (𝑥𝑀𝑦) ∈ (Base‘𝑅))
21	9, 10, 16	ply1sclid 22607	. . . . 5 ⊢ ((𝑅 ∈ Ring ∧ (𝑥𝑀𝑦) ∈ (Base‘𝑅)) → (𝑥𝑀𝑦) = ((coe₁‘((algSc‘(Poly₁‘𝑅))‘(𝑥𝑀𝑦)))‘0))
22	15, 20, 21	syl2anc 596	. . . 4 ⊢ (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring ∧ 𝑀 ∈ 𝐾) ∧ 𝑥 ∈ 𝑁 ∧ 𝑦 ∈ 𝑁) → (𝑥𝑀𝑦) = ((coe₁‘((algSc‘(Poly₁‘𝑅))‘(𝑥𝑀𝑦)))‘0))
23	14, 22	eqtr4d 2798	. . 3 ⊢ (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring ∧ 𝑀 ∈ 𝐾) ∧ 𝑥 ∈ 𝑁 ∧ 𝑦 ∈ 𝑁) → ((coe₁‘(𝑥(𝑇‘𝑀)𝑦))‘0) = (𝑥𝑀𝑦))
24	23	mpoeq3dva 7497	. 2 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring ∧ 𝑀 ∈ 𝐾) → (𝑥 ∈ 𝑁, 𝑦 ∈ 𝑁 ↦ ((coe₁‘(𝑥(𝑇‘𝑀)𝑦))‘0)) = (𝑥 ∈ 𝑁, 𝑦 ∈ 𝑁 ↦ (𝑥𝑀𝑦)))
25		eqidd 2761	. . . . 5 ⊢ (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring ∧ 𝑀 ∈ 𝐾) ∧ (𝑖 ∈ 𝑁 ∧ 𝑗 ∈ 𝑁)) → (𝑥 ∈ 𝑁, 𝑦 ∈ 𝑁 ↦ (𝑥𝑀𝑦)) = (𝑥 ∈ 𝑁, 𝑦 ∈ 𝑁 ↦ (𝑥𝑀𝑦)))
26		oveq12 7429	. . . . . 6 ⊢ ((𝑥 = 𝑖 ∧ 𝑦 = 𝑗) → (𝑥𝑀𝑦) = (𝑖𝑀𝑗))
27	26	adantl 487	. . . . 5 ⊢ ((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring ∧ 𝑀 ∈ 𝐾) ∧ (𝑖 ∈ 𝑁 ∧ 𝑗 ∈ 𝑁)) ∧ (𝑥 = 𝑖 ∧ 𝑦 = 𝑗)) → (𝑥𝑀𝑦) = (𝑖𝑀𝑗))
28		simprl 783	. . . . 5 ⊢ (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring ∧ 𝑀 ∈ 𝐾) ∧ (𝑖 ∈ 𝑁 ∧ 𝑗 ∈ 𝑁)) → 𝑖 ∈ 𝑁)
29		simprr 785	. . . . 5 ⊢ (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring ∧ 𝑀 ∈ 𝐾) ∧ (𝑖 ∈ 𝑁 ∧ 𝑗 ∈ 𝑁)) → 𝑗 ∈ 𝑁)
30		ovexd 7455	. . . . 5 ⊢ (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring ∧ 𝑀 ∈ 𝐾) ∧ (𝑖 ∈ 𝑁 ∧ 𝑗 ∈ 𝑁)) → (𝑖𝑀𝑗) ∈ V)
31	25, 27, 28, 29, 30	ovmpod 7572	. . . 4 ⊢ (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring ∧ 𝑀 ∈ 𝐾) ∧ (𝑖 ∈ 𝑁 ∧ 𝑗 ∈ 𝑁)) → (𝑖(𝑥 ∈ 𝑁, 𝑦 ∈ 𝑁 ↦ (𝑥𝑀𝑦))𝑗) = (𝑖𝑀𝑗))
32	31	ralrimivva 3205	. . 3 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring ∧ 𝑀 ∈ 𝐾) → ∀𝑖 ∈ 𝑁 ∀𝑗 ∈ 𝑁 (𝑖(𝑥 ∈ 𝑁, 𝑦 ∈ 𝑁 ↦ (𝑥𝑀𝑦))𝑗) = (𝑖𝑀𝑗))
33		simp1 1154	. . . . 5 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring ∧ 𝑀 ∈ 𝐾) → 𝑁 ∈ Fin)
34		simp2 1155	. . . . 5 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring ∧ 𝑀 ∈ 𝐾) → 𝑅 ∈ Ring)
35	3, 16, 4, 33, 34, 20	matbas2d 22738	. . . 4 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring ∧ 𝑀 ∈ 𝐾) → (𝑥 ∈ 𝑁, 𝑦 ∈ 𝑁 ↦ (𝑥𝑀𝑦)) ∈ 𝐾)
36		simp3 1156	. . . 4 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring ∧ 𝑀 ∈ 𝐾) → 𝑀 ∈ 𝐾)
37	3, 4	eqmat 22739	. . . 4 ⊢ (((𝑥 ∈ 𝑁, 𝑦 ∈ 𝑁 ↦ (𝑥𝑀𝑦)) ∈ 𝐾 ∧ 𝑀 ∈ 𝐾) → ((𝑥 ∈ 𝑁, 𝑦 ∈ 𝑁 ↦ (𝑥𝑀𝑦)) = 𝑀 ↔ ∀𝑖 ∈ 𝑁 ∀𝑗 ∈ 𝑁 (𝑖(𝑥 ∈ 𝑁, 𝑦 ∈ 𝑁 ↦ (𝑥𝑀𝑦))𝑗) = (𝑖𝑀𝑗)))
38	35, 36, 37	syl2anc 596	. . 3 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring ∧ 𝑀 ∈ 𝐾) → ((𝑥 ∈ 𝑁, 𝑦 ∈ 𝑁 ↦ (𝑥𝑀𝑦)) = 𝑀 ↔ ∀𝑖 ∈ 𝑁 ∀𝑗 ∈ 𝑁 (𝑖(𝑥 ∈ 𝑁, 𝑦 ∈ 𝑁 ↦ (𝑥𝑀𝑦))𝑗) = (𝑖𝑀𝑗)))
39	32, 38	mpbird 260	. 2 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring ∧ 𝑀 ∈ 𝐾) → (𝑥 ∈ 𝑁, 𝑦 ∈ 𝑁 ↦ (𝑥𝑀𝑦)) = 𝑀)
40	8, 24, 39	3eqtrd 2799	1 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring ∧ 𝑀 ∈ 𝐾) → (𝐼‘(𝑇‘𝑀)) = 𝑀)

Colors of variables: wff setvar class

This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ wa 401 ∧ w3a 1103 = wceq 1569 ∈ wcel 2144 ∀wral 3076 Vcvv 3450 ‘cfv 6538 (class class class)co 7420 ∈ cmpo 7422 Fincfn 8973 0cc0 11200 Basecbs 17387 Ringcrg 20459 algSccascl 22160 Poly₁cpl1 22495 coe₁cco1 22496 Mat cmat 22722 ConstPolyMat ccpmat 23021 matToPolyMat cmat2pmat 23022 cPolyMatToMat ccpmat2mat 23023

This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7751 ax-cnex 11256 ax-resscn 11257 ax-1cn 11258 ax-icn 11259 ax-addcl 11260 ax-addrcl 11261 ax-mulcl 11262 ax-mulrcl 11263 ax-mulcom 11264 ax-addass 11265 ax-mulass 11266 ax-distr 11267 ax-i2m1 11268 ax-1ne0 11269 ax-1rid 11270 ax-rnegex 11271 ax-rrecex 11272 ax-cnre 11273 ax-pre-lttri 11274 ax-pre-lttrn 11275 ax-pre-ltadd 11276 ax-pre-mulgt0 11277

This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-pss 4014 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-tp 4588 df-op 4590 df-ot 4592 df-uni 4867 df-int 4907 df-iun 4952 df-iin 4953 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-se 5604 df-we 5605 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-isom 6547 df-riota 7377 df-ov 7423 df-oprab 7424 df-mpo 7425 df-of 7693 df-ofr 7694 df-om 7878 df-1st 8001 df-2nd 8002 df-supp 8178 df-frecs 8299 df-wrecs 8330 df-recs 8379 df-rdg 8418 df-1o 8476 df-2o 8477 df-er 8717 df-map 8849 df-pm 8850 df-ixp 8926 df-en 8974 df-dom 8975 df-sdom 8976 df-fin 8977 df-fsupp 9354 df-sup 9434 df-oi 9504 df-card 10020 df-pnf 11345 df-mnf 11346 df-xr 11347 df-ltxr 11348 df-le 11349 df-sub 11543 df-neg 11544 df-nn 12336 df-2 12405 df-3 12406 df-4 12407 df-5 12408 df-6 12409 df-7 12410 df-8 12411 df-9 12412 df-n0 12607 df-z 12694 df-dec 12815 df-uz 12966 df-fz 13640 df-fzo 13789 df-seq 14145 df-hash 14475 df-struct 17325 df-sets 17342 df-slot 17360 df-ndx 17372 df-base 17388 df-ress 17409 df-plusg 17441 df-mulr 17442 df-sca 17444 df-vsca 17445 df-ip 17446 df-tset 17447 df-ple 17448 df-ds 17450 df-hom 17452 df-cco 17453 df-0g 17612 df-gsum 17613 df-prds 17618 df-pws 17620 df-mre 17756 df-mrc 17757 df-acs 17759 df-mgm 18816 df-sgrp 18908 df-mnd 18924 df-mhm 18978 df-submnd 18979 df-grp 19147 df-minusg 19148 df-sbg 19149 df-mulg 19278 df-subg 19333 df-ghm 19428 df-cntz 19531 df-cmn 19996 df-abl 19997 df-mgp 20361 df-rng 20375 df-ur 20408 df-ring 20461 df-subrng 20798 df-subrg 20822 df-lmod 21137 df-lss 21207 df-sra 21448 df-rgmod 21449 df-dsmm 22038 df-frlm 22053 df-ascl 22163 df-psr 22217 df-mvr 22218 df-mpl 22219 df-opsr 22221 df-psr1 22498 df-vr1 22499 df-ply1 22500 df-coe1 22501 df-mat 22723 df-cpmat 23024 df-mat2pmat 23025 df-cpmat2mat 23026

This theorem is used by: m2cpminv 23078 m2cpminv0 23079 cayhamlem4 23206

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