evlsgsumadd - Metamath Proof Explorer

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Theorem evlsgsumadd 22087

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

**Hypotheses**
Ref	Expression
evlsgsumadd.q	⊢ 𝑄 = ((𝐼 evalSub 𝑆)‘𝑅)
evlsgsumadd.w	⊢ 𝑊 = (𝐼 mPoly 𝑈)
evlsgsumadd.0	⊢ 0 = (0_g‘𝑊)
evlsgsumadd.u	⊢ 𝑈 = (𝑆 ↾_s 𝑅)
evlsgsumadd.p	⊢ 𝑃 = (𝑆 ↑_s (𝐾 ↑_m 𝐼))
evlsgsumadd.k	⊢ 𝐾 = (Base‘𝑆)
evlsgsumadd.b	⊢ 𝐵 = (Base‘𝑊)
evlsgsumadd.i	⊢ (𝜑 → 𝐼 ∈ 𝑉)
evlsgsumadd.s	⊢ (𝜑 → 𝑆 ∈ CRing)
evlsgsumadd.r	⊢ (𝜑 → 𝑅 ∈ (SubRing‘𝑆))
evlsgsumadd.y	⊢ ((𝜑 ∧ 𝑥 ∈ 𝑁) → 𝑌 ∈ 𝐵)
evlsgsumadd.n	⊢ (𝜑 → 𝑁 ⊆ ℕ₀)
evlsgsumadd.f	⊢ (𝜑 → (𝑥 ∈ 𝑁 ↦ 𝑌) finSupp 0 )

**Assertion**
Ref	Expression
evlsgsumadd	⊢ (𝜑 → (𝑄‘(𝑊 Σ_g (𝑥 ∈ 𝑁 ↦ 𝑌))) = (𝑃 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) 𝐼(𝑥) 𝐾(𝑥) 𝑉(𝑥) 𝑊(𝑥) 𝑌(𝑥) 0 (𝑥)

**Proof of Theorem evlsgsumadd**
Step	Hyp	Ref	Expression
1		evlsgsumadd.b	. . 3 ⊢ 𝐵 = (Base‘𝑊)
2		evlsgsumadd.0	. . 3 ⊢ 0 = (0_g‘𝑊)
3		evlsgsumadd.w	. . . . 5 ⊢ 𝑊 = (𝐼 mPoly 𝑈)
4		evlsgsumadd.i	. . . . 5 ⊢ (𝜑 → 𝐼 ∈ 𝑉)
5		evlsgsumadd.r	. . . . . 6 ⊢ (𝜑 → 𝑅 ∈ (SubRing‘𝑆))
6		evlsgsumadd.u	. . . . . . 7 ⊢ 𝑈 = (𝑆 ↾_s 𝑅)
7	6	subrgring 20545	. . . . . 6 ⊢ (𝑅 ∈ (SubRing‘𝑆) → 𝑈 ∈ Ring)
8	5, 7	syl 17	. . . . 5 ⊢ (𝜑 → 𝑈 ∈ Ring)
9	3, 4, 8	mplringd 22014	. . . 4 ⊢ (𝜑 → 𝑊 ∈ Ring)
10		ringcmn 20257	. . . 4 ⊢ (𝑊 ∈ Ring → 𝑊 ∈ CMnd)
11	9, 10	syl 17	. . 3 ⊢ (𝜑 → 𝑊 ∈ CMnd)
12		evlsgsumadd.s	. . . . . 6 ⊢ (𝜑 → 𝑆 ∈ CRing)
13		crngring 20220	. . . . . 6 ⊢ (𝑆 ∈ CRing → 𝑆 ∈ Ring)
14	12, 13	syl 17	. . . . 5 ⊢ (𝜑 → 𝑆 ∈ Ring)
15		ovex 7394	. . . . 5 ⊢ (𝐾 ↑_m 𝐼) ∈ V
16	14, 15	jctir 520	. . . 4 ⊢ (𝜑 → (𝑆 ∈ Ring ∧ (𝐾 ↑_m 𝐼) ∈ V))
17		evlsgsumadd.p	. . . . 5 ⊢ 𝑃 = (𝑆 ↑_s (𝐾 ↑_m 𝐼))
18	17	pwsring 20297	. . . 4 ⊢ ((𝑆 ∈ Ring ∧ (𝐾 ↑_m 𝐼) ∈ V) → 𝑃 ∈ Ring)
19		ringmnd 20218	. . . 4 ⊢ (𝑃 ∈ Ring → 𝑃 ∈ Mnd)
20	16, 18, 19	3syl 18	. . 3 ⊢ (𝜑 → 𝑃 ∈ Mnd)
21		nn0ex 12437	. . . . 5 ⊢ ℕ₀ ∈ V
22	21	a1i 11	. . . 4 ⊢ (𝜑 → ℕ₀ ∈ V)
23		evlsgsumadd.n	. . . 4 ⊢ (𝜑 → 𝑁 ⊆ ℕ₀)
24	22, 23	ssexd 5262	. . 3 ⊢ (𝜑 → 𝑁 ∈ V)
25		evlsgsumadd.q	. . . . . 6 ⊢ 𝑄 = ((𝐼 evalSub 𝑆)‘𝑅)
26		evlsgsumadd.k	. . . . . 6 ⊢ 𝐾 = (Base‘𝑆)
27	25, 3, 6, 17, 26	evlsrhm 22079	. . . . 5 ⊢ ((𝐼 ∈ 𝑉 ∧ 𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆)) → 𝑄 ∈ (𝑊 RingHom 𝑃))
28	4, 12, 5, 27	syl3anc 1374	. . . 4 ⊢ (𝜑 → 𝑄 ∈ (𝑊 RingHom 𝑃))
29		rhmghm 20457	. . . 4 ⊢ (𝑄 ∈ (𝑊 RingHom 𝑃) → 𝑄 ∈ (𝑊 GrpHom 𝑃))
30		ghmmhm 19195	. . . 4 ⊢ (𝑄 ∈ (𝑊 GrpHom 𝑃) → 𝑄 ∈ (𝑊 MndHom 𝑃))
31	28, 29, 30	3syl 18	. . 3 ⊢ (𝜑 → 𝑄 ∈ (𝑊 MndHom 𝑃))
32		evlsgsumadd.y	. . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑁) → 𝑌 ∈ 𝐵)
33		evlsgsumadd.f	. . 3 ⊢ (𝜑 → (𝑥 ∈ 𝑁 ↦ 𝑌) finSupp 0 )
34	1, 2, 11, 20, 24, 31, 32, 33	gsummptmhm 19909	. 2 ⊢ (𝜑 → (𝑃 Σ_g (𝑥 ∈ 𝑁 ↦ (𝑄‘𝑌))) = (𝑄‘(𝑊 Σ_g (𝑥 ∈ 𝑁 ↦ 𝑌))))
35	34	eqcomd 2743	1 ⊢ (𝜑 → (𝑄‘(𝑊 Σ_g (𝑥 ∈ 𝑁 ↦ 𝑌))) = (𝑃 Σ_g (𝑥 ∈ 𝑁 ↦ (𝑄‘𝑌))))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ∧ wa 395 = wceq 1542 ∈ wcel 2114 Vcvv 3430 ⊆ wss 3890 class class class wbr 5086 ↦ cmpt 5167 ‘cfv 6493 (class class class)co 7361 ↑_m cmap 8767 finSupp cfsupp 9268 ℕ₀cn0 12431 Basecbs 17173 ↾_s cress 17194 0_gc0g 17396 Σ_g cgsu 17397 ↑_s cpws 17403 Mndcmnd 18696 MndHom cmhm 18743 GrpHom cghm 19181 CMndccmn 19749 Ringcrg 20208 CRingccrg 20209 RingHom crh 20443 SubRingcsubrg 20540 mPoly cmpl 21899 evalSub ces 22063

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5213 ax-sep 5232 ax-nul 5242 ax-pow 5303 ax-pr 5371 ax-un 7683 ax-cnex 11088 ax-resscn 11089 ax-1cn 11090 ax-icn 11091 ax-addcl 11092 ax-addrcl 11093 ax-mulcl 11094 ax-mulrcl 11095 ax-mulcom 11096 ax-addass 11097 ax-mulass 11098 ax-distr 11099 ax-i2m1 11100 ax-1ne0 11101 ax-1rid 11102 ax-rnegex 11103 ax-rrecex 11104 ax-cnre 11105 ax-pre-lttri 11106 ax-pre-lttrn 11107 ax-pre-ltadd 11108 ax-pre-mulgt0 11109

This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rmo 3343 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-tp 4573 df-op 4575 df-uni 4852 df-int 4891 df-iun 4936 df-iin 4937 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5520 df-eprel 5525 df-po 5533 df-so 5534 df-fr 5578 df-se 5579 df-we 5580 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-pred 6260 df-ord 6321 df-on 6322 df-lim 6323 df-suc 6324 df-iota 6449 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-isom 6502 df-riota 7318 df-ov 7364 df-oprab 7365 df-mpo 7366 df-of 7625 df-ofr 7626 df-om 7812 df-1st 7936 df-2nd 7937 df-supp 8105 df-frecs 8225 df-wrecs 8256 df-recs 8305 df-rdg 8343 df-1o 8399 df-2o 8400 df-er 8637 df-map 8769 df-pm 8770 df-ixp 8840 df-en 8888 df-dom 8889 df-sdom 8890 df-fin 8891 df-fsupp 9269 df-sup 9349 df-oi 9419 df-card 9857 df-pnf 11175 df-mnf 11176 df-xr 11177 df-ltxr 11178 df-le 11179 df-sub 11373 df-neg 11374 df-nn 12169 df-2 12238 df-3 12239 df-4 12240 df-5 12241 df-6 12242 df-7 12243 df-8 12244 df-9 12245 df-n0 12432 df-z 12519 df-dec 12639 df-uz 12783 df-fz 13456 df-fzo 13603 df-seq 13958 df-hash 14287 df-struct 17111 df-sets 17128 df-slot 17146 df-ndx 17158 df-base 17174 df-ress 17195 df-plusg 17227 df-mulr 17228 df-sca 17230 df-vsca 17231 df-ip 17232 df-tset 17233 df-ple 17234 df-ds 17236 df-hom 17238 df-cco 17239 df-0g 17398 df-gsum 17399 df-prds 17404 df-pws 17406 df-mre 17542 df-mrc 17543 df-acs 17545 df-mgm 18602 df-sgrp 18681 df-mnd 18697 df-mhm 18745 df-submnd 18746 df-grp 18906 df-minusg 18907 df-sbg 18908 df-mulg 19038 df-subg 19093 df-ghm 19182 df-cntz 19286 df-cmn 19751 df-abl 19752 df-mgp 20116 df-rng 20128 df-ur 20157 df-srg 20162 df-ring 20210 df-cring 20211 df-rhm 20446 df-subrng 20517 df-subrg 20541 df-lmod 20851 df-lss 20921 df-lsp 20961 df-assa 21846 df-asp 21847 df-ascl 21848 df-psr 21902 df-mvr 21903 df-mpl 21904 df-evls 22065

This theorem is referenced by: (None)

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