pm2mprhm - Metamath Proof Explorer

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Theorem pm2mprhm 22741

Description: The transformation of polynomial matrices into polynomials over matrices is a ring homomorphism. (Contributed by AV, 22-Oct-2019.)

**Hypotheses**
Ref	Expression
pm2mpmhm.p	⊢ 𝑃 = (Poly₁‘𝑅)
pm2mpmhm.c	⊢ 𝐶 = (𝑁 Mat 𝑃)
pm2mpmhm.a	⊢ 𝐴 = (𝑁 Mat 𝑅)
pm2mpmhm.q	⊢ 𝑄 = (Poly₁‘𝐴)
pm2mpmhm.t	⊢ 𝑇 = (𝑁 pMatToMatPoly 𝑅)

**Assertion**
Ref	Expression
pm2mprhm	⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → 𝑇 ∈ (𝐶 RingHom 𝑄))

**Proof of Theorem pm2mprhm**
Step	Hyp	Ref	Expression
1		pm2mpmhm.p	. . 3 ⊢ 𝑃 = (Poly₁‘𝑅)
2		pm2mpmhm.c	. . 3 ⊢ 𝐶 = (𝑁 Mat 𝑃)
3	1, 2	pmatring 22612	. 2 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → 𝐶 ∈ Ring)
4		pm2mpmhm.a	. . . 4 ⊢ 𝐴 = (𝑁 Mat 𝑅)
5	4	matring 22363	. . 3 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → 𝐴 ∈ Ring)
6		pm2mpmhm.q	. . . 4 ⊢ 𝑄 = (Poly₁‘𝐴)
7	6	ply1ring 22175	. . 3 ⊢ (𝐴 ∈ Ring → 𝑄 ∈ Ring)
8	5, 7	syl 17	. 2 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → 𝑄 ∈ Ring)
9		eqid 2725	. . . 4 ⊢ (Base‘𝐶) = (Base‘𝐶)
10		eqid 2725	. . . 4 ⊢ ( ·_𝑠 ‘𝑄) = ( ·_𝑠 ‘𝑄)
11		eqid 2725	. . . 4 ⊢ (._g‘(mulGrp‘𝑄)) = (._g‘(mulGrp‘𝑄))
12		eqid 2725	. . . 4 ⊢ (var₁‘𝐴) = (var₁‘𝐴)
13		eqid 2725	. . . 4 ⊢ (Base‘𝑄) = (Base‘𝑄)
14		pm2mpmhm.t	. . . 4 ⊢ 𝑇 = (𝑁 pMatToMatPoly 𝑅)
15	1, 2, 9, 10, 11, 12, 4, 6, 13, 14	pm2mpghm 22736	. . 3 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → 𝑇 ∈ (𝐶 GrpHom 𝑄))
16	1, 2, 4, 6, 14	pm2mpmhm 22740	. . 3 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → 𝑇 ∈ ((mulGrp‘𝐶) MndHom (mulGrp‘𝑄)))
17	15, 16	jca 510	. 2 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → (𝑇 ∈ (𝐶 GrpHom 𝑄) ∧ 𝑇 ∈ ((mulGrp‘𝐶) MndHom (mulGrp‘𝑄))))
18		eqid 2725	. . 3 ⊢ (mulGrp‘𝐶) = (mulGrp‘𝐶)
19		eqid 2725	. . 3 ⊢ (mulGrp‘𝑄) = (mulGrp‘𝑄)
20	18, 19	isrhm 20421	. 2 ⊢ (𝑇 ∈ (𝐶 RingHom 𝑄) ↔ ((𝐶 ∈ Ring ∧ 𝑄 ∈ Ring) ∧ (𝑇 ∈ (𝐶 GrpHom 𝑄) ∧ 𝑇 ∈ ((mulGrp‘𝐶) MndHom (mulGrp‘𝑄)))))
21	3, 8, 17, 20	syl21anbrc 1341	1 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → 𝑇 ∈ (𝐶 RingHom 𝑄))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ∧ wa 394 = wceq 1533 ∈ wcel 2098 ‘cfv 6543 (class class class)co 7416 Fincfn 8962 Basecbs 17179 ·_𝑠 cvsca 17236 MndHom cmhm 18737 ._gcmg 19027 GrpHom cghm 19171 mulGrpcmgp 20078 Ringcrg 20177 RingHom crh 20412 var₁cv1 22103 Poly₁cpl1 22104 Mat cmat 22325 pMatToMatPoly cpm2mp 22712

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 2166 ax-ext 2696 ax-rep 5280 ax-sep 5294 ax-nul 5301 ax-pow 5359 ax-pr 5423 ax-un 7738 ax-cnex 11194 ax-resscn 11195 ax-1cn 11196 ax-icn 11197 ax-addcl 11198 ax-addrcl 11199 ax-mulcl 11200 ax-mulrcl 11201 ax-mulcom 11202 ax-addass 11203 ax-mulass 11204 ax-distr 11205 ax-i2m1 11206 ax-1ne0 11207 ax-1rid 11208 ax-rnegex 11209 ax-rrecex 11210 ax-cnre 11211 ax-pre-lttri 11212 ax-pre-lttrn 11213 ax-pre-ltadd 11214 ax-pre-mulgt0 11215

This theorem depends on definitions: df-bi 206 df-an 395 df-or 846 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 2703 df-cleq 2717 df-clel 2802 df-nfc 2877 df-ne 2931 df-nel 3037 df-ral 3052 df-rex 3061 df-rmo 3364 df-reu 3365 df-rab 3420 df-v 3465 df-sbc 3769 df-csb 3885 df-dif 3942 df-un 3944 df-in 3946 df-ss 3956 df-pss 3959 df-nul 4319 df-if 4525 df-pw 4600 df-sn 4625 df-pr 4627 df-tp 4629 df-op 4631 df-ot 4633 df-uni 4904 df-int 4945 df-iun 4993 df-iin 4994 df-br 5144 df-opab 5206 df-mpt 5227 df-tr 5261 df-id 5570 df-eprel 5576 df-po 5584 df-so 5585 df-fr 5627 df-se 5628 df-we 5629 df-xp 5678 df-rel 5679 df-cnv 5680 df-co 5681 df-dm 5682 df-rn 5683 df-res 5684 df-ima 5685 df-pred 6300 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6495 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-isom 6552 df-riota 7372 df-ov 7419 df-oprab 7420 df-mpo 7421 df-of 7682 df-ofr 7683 df-om 7869 df-1st 7991 df-2nd 7992 df-supp 8164 df-frecs 8285 df-wrecs 8316 df-recs 8390 df-rdg 8429 df-1o 8485 df-er 8723 df-map 8845 df-pm 8846 df-ixp 8915 df-en 8963 df-dom 8964 df-sdom 8965 df-fin 8966 df-fsupp 9386 df-sup 9465 df-oi 9533 df-card 9962 df-pnf 11280 df-mnf 11281 df-xr 11282 df-ltxr 11283 df-le 11284 df-sub 11476 df-neg 11477 df-nn 12243 df-2 12305 df-3 12306 df-4 12307 df-5 12308 df-6 12309 df-7 12310 df-8 12311 df-9 12312 df-n0 12503 df-z 12589 df-dec 12708 df-uz 12853 df-fz 13517 df-fzo 13660 df-seq 13999 df-hash 14322 df-struct 17115 df-sets 17132 df-slot 17150 df-ndx 17162 df-base 17180 df-ress 17209 df-plusg 17245 df-mulr 17246 df-sca 17248 df-vsca 17249 df-ip 17250 df-tset 17251 df-ple 17252 df-ds 17254 df-hom 17256 df-cco 17257 df-0g 17422 df-gsum 17423 df-prds 17428 df-pws 17430 df-mre 17565 df-mrc 17566 df-acs 17568 df-mgm 18599 df-sgrp 18678 df-mnd 18694 df-mhm 18739 df-submnd 18740 df-grp 18897 df-minusg 18898 df-sbg 18899 df-mulg 19028 df-subg 19082 df-ghm 19172 df-cntz 19272 df-cmn 19741 df-abl 19742 df-mgp 20079 df-rng 20097 df-ur 20126 df-srg 20131 df-ring 20179 df-rhm 20415 df-subrng 20487 df-subrg 20512 df-lmod 20749 df-lss 20820 df-sra 21062 df-rgmod 21063 df-dsmm 21670 df-frlm 21685 df-ascl 21793 df-psr 21846 df-mvr 21847 df-mpl 21848 df-opsr 21850 df-psr1 22107 df-vr1 22108 df-ply1 22109 df-coe1 22110 df-mamu 22309 df-mat 22326 df-decpmat 22683 df-pm2mp 22713

This theorem is referenced by: pm2mprngiso 22742

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