m2cpmghm - Metamath Proof Explorer

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Theorem m2cpmghm 22631

Description: The transformation of matrices into constant polynomial matrices is an additive group homomorphism. (Contributed by AV, 18-Nov-2019.)

**Hypotheses**
Ref	Expression
m2cpm.s	⊢ 𝑆 = (𝑁 ConstPolyMat 𝑅)
m2cpm.t	⊢ 𝑇 = (𝑁 matToPolyMat 𝑅)
m2cpm.a	⊢ 𝐴 = (𝑁 Mat 𝑅)
m2cpm.b	⊢ 𝐵 = (Base‘𝐴)
m2cpmghm.p	⊢ 𝑃 = (Poly₁‘𝑅)
m2cpmghm.c	⊢ 𝐶 = (𝑁 Mat 𝑃)
m2cpmghm.u	⊢ 𝑈 = (𝐶 ↾_s 𝑆)

**Assertion**
Ref	Expression
m2cpmghm	⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → 𝑇 ∈ (𝐴 GrpHom 𝑈))

**Proof of Theorem m2cpmghm**
Step	Hyp	Ref	Expression
1		m2cpm.t	. . 3 ⊢ 𝑇 = (𝑁 matToPolyMat 𝑅)
2		m2cpm.a	. . 3 ⊢ 𝐴 = (𝑁 Mat 𝑅)
3		m2cpm.b	. . 3 ⊢ 𝐵 = (Base‘𝐴)
4		m2cpmghm.p	. . 3 ⊢ 𝑃 = (Poly₁‘𝑅)
5		m2cpmghm.c	. . 3 ⊢ 𝐶 = (𝑁 Mat 𝑃)
6		eqid 2729	. . 3 ⊢ (Base‘𝐶) = (Base‘𝐶)
7	1, 2, 3, 4, 5, 6	mat2pmatghm 22617	. 2 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → 𝑇 ∈ (𝐴 GrpHom 𝐶))
8		m2cpm.s	. . . 4 ⊢ 𝑆 = (𝑁 ConstPolyMat 𝑅)
9	8, 4, 5	cpmatsubgpmat 22607	. . 3 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → 𝑆 ∈ (SubGrp‘𝐶))
10	8, 1, 2, 3	m2cpmf 22629	. . . 4 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → 𝑇:𝐵⟶𝑆)
11	10	frnd 6696	. . 3 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → ran 𝑇 ⊆ 𝑆)
12		m2cpmghm.u	. . . . 5 ⊢ 𝑈 = (𝐶 ↾_s 𝑆)
13	12	resghm2b 19166	. . . 4 ⊢ ((𝑆 ∈ (SubGrp‘𝐶) ∧ ran 𝑇 ⊆ 𝑆) → (𝑇 ∈ (𝐴 GrpHom 𝐶) ↔ 𝑇 ∈ (𝐴 GrpHom 𝑈)))
14	13	bicomd 223	. . 3 ⊢ ((𝑆 ∈ (SubGrp‘𝐶) ∧ ran 𝑇 ⊆ 𝑆) → (𝑇 ∈ (𝐴 GrpHom 𝑈) ↔ 𝑇 ∈ (𝐴 GrpHom 𝐶)))
15	9, 11, 14	syl2anc 584	. 2 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → (𝑇 ∈ (𝐴 GrpHom 𝑈) ↔ 𝑇 ∈ (𝐴 GrpHom 𝐶)))
16	7, 15	mpbird 257	1 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → 𝑇 ∈ (𝐴 GrpHom 𝑈))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 = wceq 1540 ∈ wcel 2109 ⊆ wss 3914 ran crn 5639 ‘cfv 6511 (class class class)co 7387 Fincfn 8918 Basecbs 17179 ↾_s cress 17200 SubGrpcsubg 19052 GrpHom cghm 19144 Ringcrg 20142 Poly₁cpl1 22061 Mat cmat 22294 ConstPolyMat ccpmat 22590 matToPolyMat cmat2pmat 22591

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2701 ax-rep 5234 ax-sep 5251 ax-nul 5261 ax-pow 5320 ax-pr 5387 ax-un 7711 ax-cnex 11124 ax-resscn 11125 ax-1cn 11126 ax-icn 11127 ax-addcl 11128 ax-addrcl 11129 ax-mulcl 11130 ax-mulrcl 11131 ax-mulcom 11132 ax-addass 11133 ax-mulass 11134 ax-distr 11135 ax-i2m1 11136 ax-1ne0 11137 ax-1rid 11138 ax-rnegex 11139 ax-rrecex 11140 ax-cnre 11141 ax-pre-lttri 11142 ax-pre-lttrn 11143 ax-pre-ltadd 11144 ax-pre-mulgt0 11145

This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-nel 3030 df-ral 3045 df-rex 3054 df-rmo 3354 df-reu 3355 df-rab 3406 df-v 3449 df-sbc 3754 df-csb 3863 df-dif 3917 df-un 3919 df-in 3921 df-ss 3931 df-pss 3934 df-nul 4297 df-if 4489 df-pw 4565 df-sn 4590 df-pr 4592 df-tp 4594 df-op 4596 df-ot 4598 df-uni 4872 df-int 4911 df-iun 4957 df-iin 4958 df-br 5108 df-opab 5170 df-mpt 5189 df-tr 5215 df-id 5533 df-eprel 5538 df-po 5546 df-so 5547 df-fr 5591 df-se 5592 df-we 5593 df-xp 5644 df-rel 5645 df-cnv 5646 df-co 5647 df-dm 5648 df-rn 5649 df-res 5650 df-ima 5651 df-pred 6274 df-ord 6335 df-on 6336 df-lim 6337 df-suc 6338 df-iota 6464 df-fun 6513 df-fn 6514 df-f 6515 df-f1 6516 df-fo 6517 df-f1o 6518 df-fv 6519 df-isom 6520 df-riota 7344 df-ov 7390 df-oprab 7391 df-mpo 7392 df-of 7653 df-ofr 7654 df-om 7843 df-1st 7968 df-2nd 7969 df-supp 8140 df-frecs 8260 df-wrecs 8291 df-recs 8340 df-rdg 8378 df-1o 8434 df-2o 8435 df-er 8671 df-map 8801 df-pm 8802 df-ixp 8871 df-en 8919 df-dom 8920 df-sdom 8921 df-fin 8922 df-fsupp 9313 df-sup 9393 df-oi 9463 df-card 9892 df-pnf 11210 df-mnf 11211 df-xr 11212 df-ltxr 11213 df-le 11214 df-sub 11407 df-neg 11408 df-nn 12187 df-2 12249 df-3 12250 df-4 12251 df-5 12252 df-6 12253 df-7 12254 df-8 12255 df-9 12256 df-n0 12443 df-z 12530 df-dec 12650 df-uz 12794 df-fz 13469 df-fzo 13616 df-seq 13967 df-hash 14296 df-struct 17117 df-sets 17134 df-slot 17152 df-ndx 17164 df-base 17180 df-ress 17201 df-plusg 17233 df-mulr 17234 df-sca 17236 df-vsca 17237 df-ip 17238 df-tset 17239 df-ple 17240 df-ds 17242 df-hom 17244 df-cco 17245 df-0g 17404 df-gsum 17405 df-prds 17410 df-pws 17412 df-mre 17547 df-mrc 17548 df-acs 17550 df-mgm 18567 df-sgrp 18646 df-mnd 18662 df-mhm 18710 df-submnd 18711 df-grp 18868 df-minusg 18869 df-sbg 18870 df-mulg 19000 df-subg 19055 df-ghm 19145 df-cntz 19249 df-cmn 19712 df-abl 19713 df-mgp 20050 df-rng 20062 df-ur 20091 df-srg 20096 df-ring 20144 df-subrng 20455 df-subrg 20479 df-lmod 20768 df-lss 20838 df-sra 21080 df-rgmod 21081 df-dsmm 21641 df-frlm 21656 df-ascl 21764 df-psr 21818 df-mvr 21819 df-mpl 21820 df-opsr 21822 df-psr1 22064 df-vr1 22065 df-ply1 22066 df-coe1 22067 df-mamu 22278 df-mat 22295 df-cpmat 22593 df-mat2pmat 22594

This theorem is referenced by: m2cpmrhm 22633

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