m2cpmghm - Metamath Proof Explorer

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Theorem m2cpmghm 22596

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 2726	. . 3 ⊢ (Base‘𝐶) = (Base‘𝐶)
7	1, 2, 3, 4, 5, 6	mat2pmatghm 22582	. 2 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → 𝑇 ∈ (𝐴 GrpHom 𝐶))
8		m2cpm.s	. . . 4 ⊢ 𝑆 = (𝑁 ConstPolyMat 𝑅)
9	8, 4, 5	cpmatsubgpmat 22572	. . 3 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → 𝑆 ∈ (SubGrp‘𝐶))
10	8, 1, 2, 3	m2cpmf 22594	. . . 4 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → 𝑇:𝐵⟶𝑆)
11	10	frnd 6718	. . 3 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → ran 𝑇 ⊆ 𝑆)
12		m2cpmghm.u	. . . . 5 ⊢ 𝑈 = (𝐶 ↾_s 𝑆)
13	12	resghm2b 19156	. . . 4 ⊢ ((𝑆 ∈ (SubGrp‘𝐶) ∧ ran 𝑇 ⊆ 𝑆) → (𝑇 ∈ (𝐴 GrpHom 𝐶) ↔ 𝑇 ∈ (𝐴 GrpHom 𝑈)))
14	13	bicomd 222	. . 3 ⊢ ((𝑆 ∈ (SubGrp‘𝐶) ∧ ran 𝑇 ⊆ 𝑆) → (𝑇 ∈ (𝐴 GrpHom 𝑈) ↔ 𝑇 ∈ (𝐴 GrpHom 𝐶)))
15	9, 11, 14	syl2anc 583	. 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 205 ∧ wa 395 = wceq 1533 ∈ wcel 2098 ⊆ wss 3943 ran crn 5670 ‘cfv 6536 (class class class)co 7404 Fincfn 8938 Basecbs 17150 ↾_s cress 17179 SubGrpcsubg 19044 GrpHom cghm 19135 Ringcrg 20135 Poly₁cpl1 22046 Mat cmat 22257 ConstPolyMat ccpmat 22555 matToPolyMat cmat2pmat 22556

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1789 ax-4 1803 ax-5 1905 ax-6 1963 ax-7 2003 ax-8 2100 ax-9 2108 ax-10 2129 ax-11 2146 ax-12 2163 ax-ext 2697 ax-rep 5278 ax-sep 5292 ax-nul 5299 ax-pow 5356 ax-pr 5420 ax-un 7721 ax-cnex 11165 ax-resscn 11166 ax-1cn 11167 ax-icn 11168 ax-addcl 11169 ax-addrcl 11170 ax-mulcl 11171 ax-mulrcl 11172 ax-mulcom 11173 ax-addass 11174 ax-mulass 11175 ax-distr 11176 ax-i2m1 11177 ax-1ne0 11178 ax-1rid 11179 ax-rnegex 11180 ax-rrecex 11181 ax-cnre 11182 ax-pre-lttri 11183 ax-pre-lttrn 11184 ax-pre-ltadd 11185 ax-pre-mulgt0 11186

This theorem depends on definitions: df-bi 206 df-an 396 df-or 845 df-3or 1085 df-3an 1086 df-tru 1536 df-fal 1546 df-ex 1774 df-nf 1778 df-sb 2060 df-mo 2528 df-eu 2557 df-clab 2704 df-cleq 2718 df-clel 2804 df-nfc 2879 df-ne 2935 df-nel 3041 df-ral 3056 df-rex 3065 df-rmo 3370 df-reu 3371 df-rab 3427 df-v 3470 df-sbc 3773 df-csb 3889 df-dif 3946 df-un 3948 df-in 3950 df-ss 3960 df-pss 3962 df-nul 4318 df-if 4524 df-pw 4599 df-sn 4624 df-pr 4626 df-tp 4628 df-op 4630 df-ot 4632 df-uni 4903 df-int 4944 df-iun 4992 df-iin 4993 df-br 5142 df-opab 5204 df-mpt 5225 df-tr 5259 df-id 5567 df-eprel 5573 df-po 5581 df-so 5582 df-fr 5624 df-se 5625 df-we 5626 df-xp 5675 df-rel 5676 df-cnv 5677 df-co 5678 df-dm 5679 df-rn 5680 df-res 5681 df-ima 5682 df-pred 6293 df-ord 6360 df-on 6361 df-lim 6362 df-suc 6363 df-iota 6488 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-isom 6545 df-riota 7360 df-ov 7407 df-oprab 7408 df-mpo 7409 df-of 7666 df-ofr 7667 df-om 7852 df-1st 7971 df-2nd 7972 df-supp 8144 df-frecs 8264 df-wrecs 8295 df-recs 8369 df-rdg 8408 df-1o 8464 df-er 8702 df-map 8821 df-pm 8822 df-ixp 8891 df-en 8939 df-dom 8940 df-sdom 8941 df-fin 8942 df-fsupp 9361 df-sup 9436 df-oi 9504 df-card 9933 df-pnf 11251 df-mnf 11252 df-xr 11253 df-ltxr 11254 df-le 11255 df-sub 11447 df-neg 11448 df-nn 12214 df-2 12276 df-3 12277 df-4 12278 df-5 12279 df-6 12280 df-7 12281 df-8 12282 df-9 12283 df-n0 12474 df-z 12560 df-dec 12679 df-uz 12824 df-fz 13488 df-fzo 13631 df-seq 13970 df-hash 14293 df-struct 17086 df-sets 17103 df-slot 17121 df-ndx 17133 df-base 17151 df-ress 17180 df-plusg 17216 df-mulr 17217 df-sca 17219 df-vsca 17220 df-ip 17221 df-tset 17222 df-ple 17223 df-ds 17225 df-hom 17227 df-cco 17228 df-0g 17393 df-gsum 17394 df-prds 17399 df-pws 17401 df-mre 17536 df-mrc 17537 df-acs 17539 df-mgm 18570 df-sgrp 18649 df-mnd 18665 df-mhm 18710 df-submnd 18711 df-grp 18863 df-minusg 18864 df-sbg 18865 df-mulg 18993 df-subg 19047 df-ghm 19136 df-cntz 19230 df-cmn 19699 df-abl 19700 df-mgp 20037 df-rng 20055 df-ur 20084 df-srg 20089 df-ring 20137 df-subrng 20443 df-subrg 20468 df-lmod 20705 df-lss 20776 df-sra 21018 df-rgmod 21019 df-dsmm 21622 df-frlm 21637 df-ascl 21745 df-psr 21798 df-mvr 21799 df-mpl 21800 df-opsr 21802 df-psr1 22049 df-vr1 22050 df-ply1 22051 df-coe1 22052 df-mamu 22236 df-mat 22258 df-cpmat 22558 df-mat2pmat 22559

This theorem is referenced by: m2cpmrhm 22598

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