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Theorem evlsgsummul 22035

Description: Polynomial evaluation maps (multiplicative) group sums to group sums. (Contributed by SN, 13-Feb-2024.)

**Hypotheses**
Ref	Expression
evlsgsummul.q	⊢ 𝑄 = ((𝐼 evalSub 𝑆)‘𝑅)
evlsgsummul.w	⊢ 𝑊 = (𝐼 mPoly 𝑈)
evlsgsummul.g	⊢ 𝐺 = (mulGrp‘𝑊)
evlsgsummul.1	⊢ 1 = (1_r‘𝑊)
evlsgsummul.u	⊢ 𝑈 = (𝑆 ↾_s 𝑅)
evlsgsummul.p	⊢ 𝑃 = (𝑆 ↑_s (𝐾 ↑_m 𝐼))
evlsgsummul.h	⊢ 𝐻 = (mulGrp‘𝑃)
evlsgsummul.k	⊢ 𝐾 = (Base‘𝑆)
evlsgsummul.b	⊢ 𝐵 = (Base‘𝑊)
evlsgsummul.i	⊢ (𝜑 → 𝐼 ∈ 𝑉)
evlsgsummul.s	⊢ (𝜑 → 𝑆 ∈ CRing)
evlsgsummul.r	⊢ (𝜑 → 𝑅 ∈ (SubRing‘𝑆))
evlsgsummul.y	⊢ ((𝜑 ∧ 𝑥 ∈ 𝑁) → 𝑌 ∈ 𝐵)
evlsgsummul.n	⊢ (𝜑 → 𝑁 ⊆ ℕ₀)
evlsgsummul.f	⊢ (𝜑 → (𝑥 ∈ 𝑁 ↦ 𝑌) finSupp 1 )

**Assertion**
Ref	Expression
evlsgsummul	⊢ (𝜑 → (𝑄‘(𝐺 Σ_g (𝑥 ∈ 𝑁 ↦ 𝑌))) = (𝐻 Σ_g (𝑥 ∈ 𝑁 ↦ (𝑄‘𝑌))))

Distinct variable groups: 𝑥,𝐵 𝑥,𝑁 𝑥,𝑄 𝜑,𝑥 Allowed substitution hints: 𝑃(𝑥) 𝑅(𝑥) 𝑆(𝑥) 𝑈(𝑥) 1 (𝑥) 𝐺(𝑥) 𝐻(𝑥) 𝐼(𝑥) 𝐾(𝑥) 𝑉(𝑥) 𝑊(𝑥) 𝑌(𝑥)

**Proof of Theorem evlsgsummul**
Step	Hyp	Ref	Expression
1		evlsgsummul.g	. . . 4 ⊢ 𝐺 = (mulGrp‘𝑊)
2		evlsgsummul.b	. . . 4 ⊢ 𝐵 = (Base‘𝑊)
3	1, 2	mgpbas 20090	. . 3 ⊢ 𝐵 = (Base‘𝐺)
4		evlsgsummul.1	. . . 4 ⊢ 1 = (1_r‘𝑊)
5	1, 4	ringidval 20128	. . 3 ⊢ 1 = (0_g‘𝐺)
6		evlsgsummul.i	. . . . 5 ⊢ (𝜑 → 𝐼 ∈ 𝑉)
7		evlsgsummul.s	. . . . . 6 ⊢ (𝜑 → 𝑆 ∈ CRing)
8		evlsgsummul.r	. . . . . 6 ⊢ (𝜑 → 𝑅 ∈ (SubRing‘𝑆))
9		evlsgsummul.u	. . . . . . 7 ⊢ 𝑈 = (𝑆 ↾_s 𝑅)
10	9	subrgcrng 20520	. . . . . 6 ⊢ ((𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆)) → 𝑈 ∈ CRing)
11	7, 8, 10	syl2anc 584	. . . . 5 ⊢ (𝜑 → 𝑈 ∈ CRing)
12		evlsgsummul.w	. . . . . 6 ⊢ 𝑊 = (𝐼 mPoly 𝑈)
13	12	mplcrng 21966	. . . . 5 ⊢ ((𝐼 ∈ 𝑉 ∧ 𝑈 ∈ CRing) → 𝑊 ∈ CRing)
14	6, 11, 13	syl2anc 584	. . . 4 ⊢ (𝜑 → 𝑊 ∈ CRing)
15	1	crngmgp 20186	. . . 4 ⊢ (𝑊 ∈ CRing → 𝐺 ∈ CMnd)
16	14, 15	syl 17	. . 3 ⊢ (𝜑 → 𝐺 ∈ CMnd)
17		crngring 20190	. . . . . 6 ⊢ (𝑆 ∈ CRing → 𝑆 ∈ Ring)
18	7, 17	syl 17	. . . . 5 ⊢ (𝜑 → 𝑆 ∈ Ring)
19		ovex 7432	. . . . 5 ⊢ (𝐾 ↑_m 𝐼) ∈ V
20	18, 19	jctir 520	. . . 4 ⊢ (𝜑 → (𝑆 ∈ Ring ∧ (𝐾 ↑_m 𝐼) ∈ V))
21		evlsgsummul.p	. . . . 5 ⊢ 𝑃 = (𝑆 ↑_s (𝐾 ↑_m 𝐼))
22	21	pwsring 20269	. . . 4 ⊢ ((𝑆 ∈ Ring ∧ (𝐾 ↑_m 𝐼) ∈ V) → 𝑃 ∈ Ring)
23		evlsgsummul.h	. . . . 5 ⊢ 𝐻 = (mulGrp‘𝑃)
24	23	ringmgp 20184	. . . 4 ⊢ (𝑃 ∈ Ring → 𝐻 ∈ Mnd)
25	20, 22, 24	3syl 18	. . 3 ⊢ (𝜑 → 𝐻 ∈ Mnd)
26		nn0ex 12499	. . . . 5 ⊢ ℕ₀ ∈ V
27	26	a1i 11	. . . 4 ⊢ (𝜑 → ℕ₀ ∈ V)
28		evlsgsummul.n	. . . 4 ⊢ (𝜑 → 𝑁 ⊆ ℕ₀)
29	27, 28	ssexd 5291	. . 3 ⊢ (𝜑 → 𝑁 ∈ V)
30		evlsgsummul.q	. . . . . 6 ⊢ 𝑄 = ((𝐼 evalSub 𝑆)‘𝑅)
31		evlsgsummul.k	. . . . . 6 ⊢ 𝐾 = (Base‘𝑆)
32	30, 12, 9, 21, 31	evlsrhm 22031	. . . . 5 ⊢ ((𝐼 ∈ 𝑉 ∧ 𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆)) → 𝑄 ∈ (𝑊 RingHom 𝑃))
33	6, 7, 8, 32	syl3anc 1372	. . . 4 ⊢ (𝜑 → 𝑄 ∈ (𝑊 RingHom 𝑃))
34	1, 23	rhmmhm 20424	. . . 4 ⊢ (𝑄 ∈ (𝑊 RingHom 𝑃) → 𝑄 ∈ (𝐺 MndHom 𝐻))
35	33, 34	syl 17	. . 3 ⊢ (𝜑 → 𝑄 ∈ (𝐺 MndHom 𝐻))
36		evlsgsummul.y	. . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑁) → 𝑌 ∈ 𝐵)
37		evlsgsummul.f	. . 3 ⊢ (𝜑 → (𝑥 ∈ 𝑁 ↦ 𝑌) finSupp 1 )
38	3, 5, 16, 25, 29, 35, 36, 37	gsummptmhm 19906	. 2 ⊢ (𝜑 → (𝐻 Σ_g (𝑥 ∈ 𝑁 ↦ (𝑄‘𝑌))) = (𝑄‘(𝐺 Σ_g (𝑥 ∈ 𝑁 ↦ 𝑌))))
39	38	eqcomd 2740	1 ⊢ (𝜑 → (𝑄‘(𝐺 Σ_g (𝑥 ∈ 𝑁 ↦ 𝑌))) = (𝐻 Σ_g (𝑥 ∈ 𝑁 ↦ (𝑄‘𝑌))))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ∧ wa 395 = wceq 1539 ∈ wcel 2107 Vcvv 3457 ⊆ wss 3924 class class class wbr 5116 ↦ cmpt 5198 ‘cfv 6527 (class class class)co 7399 ↑_m cmap 8834 finSupp cfsupp 9367 ℕ₀cn0 12493 Basecbs 17213 ↾_s cress 17236 Σ_g cgsu 17439 ↑_s cpws 17445 Mndcmnd 18697 MndHom cmhm 18744 CMndccmn 19746 mulGrpcmgp 20085 1_rcur 20126 Ringcrg 20178 CRingccrg 20179 RingHom crh 20414 SubRingcsubrg 20514 mPoly cmpl 21851 evalSub ces 22015

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1794 ax-4 1808 ax-5 1909 ax-6 1966 ax-7 2006 ax-8 2109 ax-9 2117 ax-10 2140 ax-11 2156 ax-12 2176 ax-ext 2706 ax-rep 5246 ax-sep 5263 ax-nul 5273 ax-pow 5332 ax-pr 5399 ax-un 7723 ax-cnex 11177 ax-resscn 11178 ax-1cn 11179 ax-icn 11180 ax-addcl 11181 ax-addrcl 11182 ax-mulcl 11183 ax-mulrcl 11184 ax-mulcom 11185 ax-addass 11186 ax-mulass 11187 ax-distr 11188 ax-i2m1 11189 ax-1ne0 11190 ax-1rid 11191 ax-rnegex 11192 ax-rrecex 11193 ax-cnre 11194 ax-pre-lttri 11195 ax-pre-lttrn 11196 ax-pre-ltadd 11197 ax-pre-mulgt0 11198

This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1779 df-nf 1783 df-sb 2064 df-mo 2538 df-eu 2567 df-clab 2713 df-cleq 2726 df-clel 2808 df-nfc 2884 df-ne 2932 df-nel 3036 df-ral 3051 df-rex 3060 df-rmo 3357 df-reu 3358 df-rab 3414 df-v 3459 df-sbc 3764 df-csb 3873 df-dif 3927 df-un 3929 df-in 3931 df-ss 3941 df-pss 3944 df-nul 4307 df-if 4499 df-pw 4575 df-sn 4600 df-pr 4602 df-tp 4604 df-op 4606 df-uni 4881 df-int 4920 df-iun 4966 df-iin 4967 df-br 5117 df-opab 5179 df-mpt 5199 df-tr 5227 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-se 5604 df-we 5605 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6287 df-ord 6352 df-on 6353 df-lim 6354 df-suc 6355 df-iota 6480 df-fun 6529 df-fn 6530 df-f 6531 df-f1 6532 df-fo 6533 df-f1o 6534 df-fv 6535 df-isom 6536 df-riota 7356 df-ov 7402 df-oprab 7403 df-mpo 7404 df-of 7665 df-ofr 7666 df-om 7856 df-1st 7982 df-2nd 7983 df-supp 8154 df-frecs 8274 df-wrecs 8305 df-recs 8379 df-rdg 8418 df-1o 8474 df-2o 8475 df-er 8713 df-map 8836 df-pm 8837 df-ixp 8906 df-en 8954 df-dom 8955 df-sdom 8956 df-fin 8957 df-fsupp 9368 df-sup 9448 df-oi 9516 df-card 9945 df-pnf 11263 df-mnf 11264 df-xr 11265 df-ltxr 11266 df-le 11267 df-sub 11460 df-neg 11461 df-nn 12233 df-2 12295 df-3 12296 df-4 12297 df-5 12298 df-6 12299 df-7 12300 df-8 12301 df-9 12302 df-n0 12494 df-z 12581 df-dec 12701 df-uz 12845 df-fz 13514 df-fzo 13661 df-seq 14009 df-hash 14337 df-struct 17151 df-sets 17168 df-slot 17186 df-ndx 17198 df-base 17214 df-ress 17237 df-plusg 17269 df-mulr 17270 df-sca 17272 df-vsca 17273 df-ip 17274 df-tset 17275 df-ple 17276 df-ds 17278 df-hom 17280 df-cco 17281 df-0g 17440 df-gsum 17441 df-prds 17446 df-pws 17448 df-mre 17583 df-mrc 17584 df-acs 17586 df-mgm 18603 df-sgrp 18682 df-mnd 18698 df-mhm 18746 df-submnd 18747 df-grp 18904 df-minusg 18905 df-sbg 18906 df-mulg 19036 df-subg 19091 df-ghm 19181 df-cntz 19285 df-cmn 19748 df-abl 19749 df-mgp 20086 df-rng 20098 df-ur 20127 df-srg 20132 df-ring 20180 df-cring 20181 df-rhm 20417 df-subrng 20491 df-subrg 20515 df-lmod 20804 df-lss 20874 df-lsp 20914 df-assa 21798 df-asp 21799 df-ascl 21800 df-psr 21854 df-mvr 21855 df-mpl 21856 df-evls 22017

This theorem is referenced by: (None)

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