m2cpmghm - Metamath Proof Explorer

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Theorem m2cpmghm 22662

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 2733	. . 3 ⊢ (Base‘𝐶) = (Base‘𝐶)
7	1, 2, 3, 4, 5, 6	mat2pmatghm 22648	. 2 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → 𝑇 ∈ (𝐴 GrpHom 𝐶))
8		m2cpm.s	. . . 4 ⊢ 𝑆 = (𝑁 ConstPolyMat 𝑅)
9	8, 4, 5	cpmatsubgpmat 22638	. . 3 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → 𝑆 ∈ (SubGrp‘𝐶))
10	8, 1, 2, 3	m2cpmf 22660	. . . 4 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → 𝑇:𝐵⟶𝑆)
11	10	frnd 6666	. . 3 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → ran 𝑇 ⊆ 𝑆)
12		m2cpmghm.u	. . . . 5 ⊢ 𝑈 = (𝐶 ↾_s 𝑆)
13	12	resghm2b 19150	. . . 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 1541 ∈ wcel 2113 ⊆ wss 3898 ran crn 5622 ‘cfv 6488 (class class class)co 7354 Fincfn 8877 Basecbs 17124 ↾_s cress 17145 SubGrpcsubg 19037 GrpHom cghm 19128 Ringcrg 20155 Poly₁cpl1 22092 Mat cmat 22325 ConstPolyMat ccpmat 22621 matToPolyMat cmat2pmat 22622

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2182 ax-ext 2705 ax-rep 5221 ax-sep 5238 ax-nul 5248 ax-pow 5307 ax-pr 5374 ax-un 7676 ax-cnex 11071 ax-resscn 11072 ax-1cn 11073 ax-icn 11074 ax-addcl 11075 ax-addrcl 11076 ax-mulcl 11077 ax-mulrcl 11078 ax-mulcom 11079 ax-addass 11080 ax-mulass 11081 ax-distr 11082 ax-i2m1 11083 ax-1ne0 11084 ax-1rid 11085 ax-rnegex 11086 ax-rrecex 11087 ax-cnre 11088 ax-pre-lttri 11089 ax-pre-lttrn 11090 ax-pre-ltadd 11091 ax-pre-mulgt0 11092

This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2537 df-eu 2566 df-clab 2712 df-cleq 2725 df-clel 2808 df-nfc 2882 df-ne 2930 df-nel 3034 df-ral 3049 df-rex 3058 df-rmo 3347 df-reu 3348 df-rab 3397 df-v 3439 df-sbc 3738 df-csb 3847 df-dif 3901 df-un 3903 df-in 3905 df-ss 3915 df-pss 3918 df-nul 4283 df-if 4477 df-pw 4553 df-sn 4578 df-pr 4580 df-tp 4582 df-op 4584 df-ot 4586 df-uni 4861 df-int 4900 df-iun 4945 df-iin 4946 df-br 5096 df-opab 5158 df-mpt 5177 df-tr 5203 df-id 5516 df-eprel 5521 df-po 5529 df-so 5530 df-fr 5574 df-se 5575 df-we 5576 df-xp 5627 df-rel 5628 df-cnv 5629 df-co 5630 df-dm 5631 df-rn 5632 df-res 5633 df-ima 5634 df-pred 6255 df-ord 6316 df-on 6317 df-lim 6318 df-suc 6319 df-iota 6444 df-fun 6490 df-fn 6491 df-f 6492 df-f1 6493 df-fo 6494 df-f1o 6495 df-fv 6496 df-isom 6497 df-riota 7311 df-ov 7357 df-oprab 7358 df-mpo 7359 df-of 7618 df-ofr 7619 df-om 7805 df-1st 7929 df-2nd 7930 df-supp 8099 df-frecs 8219 df-wrecs 8250 df-recs 8299 df-rdg 8337 df-1o 8393 df-2o 8394 df-er 8630 df-map 8760 df-pm 8761 df-ixp 8830 df-en 8878 df-dom 8879 df-sdom 8880 df-fin 8881 df-fsupp 9255 df-sup 9335 df-oi 9405 df-card 9841 df-pnf 11157 df-mnf 11158 df-xr 11159 df-ltxr 11160 df-le 11161 df-sub 11355 df-neg 11356 df-nn 12135 df-2 12197 df-3 12198 df-4 12199 df-5 12200 df-6 12201 df-7 12202 df-8 12203 df-9 12204 df-n0 12391 df-z 12478 df-dec 12597 df-uz 12741 df-fz 13412 df-fzo 13559 df-seq 13913 df-hash 14242 df-struct 17062 df-sets 17079 df-slot 17097 df-ndx 17109 df-base 17125 df-ress 17146 df-plusg 17178 df-mulr 17179 df-sca 17181 df-vsca 17182 df-ip 17183 df-tset 17184 df-ple 17185 df-ds 17187 df-hom 17189 df-cco 17190 df-0g 17349 df-gsum 17350 df-prds 17355 df-pws 17357 df-mre 17492 df-mrc 17493 df-acs 17495 df-mgm 18552 df-sgrp 18631 df-mnd 18647 df-mhm 18695 df-submnd 18696 df-grp 18853 df-minusg 18854 df-sbg 18855 df-mulg 18985 df-subg 19040 df-ghm 19129 df-cntz 19233 df-cmn 19698 df-abl 19699 df-mgp 20063 df-rng 20075 df-ur 20104 df-srg 20109 df-ring 20157 df-subrng 20465 df-subrg 20489 df-lmod 20799 df-lss 20869 df-sra 21111 df-rgmod 21112 df-dsmm 21673 df-frlm 21688 df-ascl 21796 df-psr 21850 df-mvr 21851 df-mpl 21852 df-opsr 21854 df-psr1 22095 df-vr1 22096 df-ply1 22097 df-coe1 22098 df-mamu 22309 df-mat 22326 df-cpmat 22624 df-mat2pmat 22625

This theorem is referenced by: m2cpmrhm 22664

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