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Theorem mplneg 21935

Description: The negative function on multivariate polynomials. (Contributed by SN, 25-May-2024.)

**Hypotheses**
Ref	Expression
mplneg.p	⊢ 𝑃 = (𝐼 mPoly 𝑅)
mplneg.b	⊢ 𝐵 = (Base‘𝑃)
mplneg.n	⊢ 𝑁 = (inv_g‘𝑅)
mplneg.m	⊢ 𝑀 = (inv_g‘𝑃)
mplneg.i	⊢ (𝜑 → 𝐼 ∈ 𝑉)
mplneg.r	⊢ (𝜑 → 𝑅 ∈ Grp)
mplneg.x	⊢ (𝜑 → 𝑋 ∈ 𝐵)

**Assertion**
Ref	Expression
mplneg	⊢ (𝜑 → (𝑀‘𝑋) = (𝑁 ∘ 𝑋))

Proof of Theorem mplneg Dummy variable 𝑓 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		eqid 2729	. . . 4 ⊢ (𝐼 mPwSer 𝑅) = (𝐼 mPwSer 𝑅)
2		mplneg.p	. . . 4 ⊢ 𝑃 = (𝐼 mPoly 𝑅)
3		mplneg.b	. . . 4 ⊢ 𝐵 = (Base‘𝑃)
4		mplneg.i	. . . 4 ⊢ (𝜑 → 𝐼 ∈ 𝑉)
5		mplneg.r	. . . 4 ⊢ (𝜑 → 𝑅 ∈ Grp)
6	1, 2, 3, 4, 5	mplsubg 21927	. . 3 ⊢ (𝜑 → 𝐵 ∈ (SubGrp‘(𝐼 mPwSer 𝑅)))
7		mplneg.x	. . 3 ⊢ (𝜑 → 𝑋 ∈ 𝐵)
8	2, 1, 3	mplval2 21921	. . . 4 ⊢ 𝑃 = ((𝐼 mPwSer 𝑅) ↾_s 𝐵)
9		eqid 2729	. . . 4 ⊢ (inv_g‘(𝐼 mPwSer 𝑅)) = (inv_g‘(𝐼 mPwSer 𝑅))
10		mplneg.m	. . . 4 ⊢ 𝑀 = (inv_g‘𝑃)
11	8, 9, 10	subginv 19030	. . 3 ⊢ ((𝐵 ∈ (SubGrp‘(𝐼 mPwSer 𝑅)) ∧ 𝑋 ∈ 𝐵) → ((inv_g‘(𝐼 mPwSer 𝑅))‘𝑋) = (𝑀‘𝑋))
12	6, 7, 11	syl2anc 584	. 2 ⊢ (𝜑 → ((inv_g‘(𝐼 mPwSer 𝑅))‘𝑋) = (𝑀‘𝑋))
13		eqid 2729	. . 3 ⊢ {𝑓 ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡𝑓 “ ℕ) ∈ Fin} = {𝑓 ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡𝑓 “ ℕ) ∈ Fin}
14		mplneg.n	. . 3 ⊢ 𝑁 = (inv_g‘𝑅)
15		eqid 2729	. . 3 ⊢ (Base‘(𝐼 mPwSer 𝑅)) = (Base‘(𝐼 mPwSer 𝑅))
16	2, 1, 3, 15	mplbasss 21922	. . . . 5 ⊢ 𝐵 ⊆ (Base‘(𝐼 mPwSer 𝑅))
17	16	sseli 3933	. . . 4 ⊢ (𝑋 ∈ 𝐵 → 𝑋 ∈ (Base‘(𝐼 mPwSer 𝑅)))
18	7, 17	syl 17	. . 3 ⊢ (𝜑 → 𝑋 ∈ (Base‘(𝐼 mPwSer 𝑅)))
19	1, 4, 5, 13, 14, 15, 9, 18	psrneg 21884	. 2 ⊢ (𝜑 → ((inv_g‘(𝐼 mPwSer 𝑅))‘𝑋) = (𝑁 ∘ 𝑋))
20	12, 19	eqtr3d 2766	1 ⊢ (𝜑 → (𝑀‘𝑋) = (𝑁 ∘ 𝑋))

Colors of variables: wff setvar class

Syntax hints: → wi 4 = wceq 1540 ∈ wcel 2109 {crab 3396 ^◡ccnv 5622 “ cima 5626 ∘ ccom 5627 ‘cfv 6486 (class class class)co 7353 ↑_m cmap 8760 Fincfn 8879 ℕcn 12146 ℕ₀cn0 12402 Basecbs 17138 Grpcgrp 18830 inv_gcminusg 18831 SubGrpcsubg 19017 mPwSer cmps 21829 mPoly cmpl 21831

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2701 ax-rep 5221 ax-sep 5238 ax-nul 5248 ax-pow 5307 ax-pr 5374 ax-un 7675 ax-cnex 11084 ax-resscn 11085 ax-1cn 11086 ax-icn 11087 ax-addcl 11088 ax-addrcl 11089 ax-mulcl 11090 ax-mulrcl 11091 ax-mulcom 11092 ax-addass 11093 ax-mulass 11094 ax-distr 11095 ax-i2m1 11096 ax-1ne0 11097 ax-1rid 11098 ax-rnegex 11099 ax-rrecex 11100 ax-cnre 11101 ax-pre-lttri 11102 ax-pre-lttrn 11103 ax-pre-ltadd 11104 ax-pre-mulgt0 11105

This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-nel 3030 df-ral 3045 df-rex 3054 df-rmo 3345 df-reu 3346 df-rab 3397 df-v 3440 df-sbc 3745 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-pss 3925 df-nul 4287 df-if 4479 df-pw 4555 df-sn 4580 df-pr 4582 df-tp 4584 df-op 4586 df-uni 4862 df-iun 4946 df-br 5096 df-opab 5158 df-mpt 5177 df-tr 5203 df-id 5518 df-eprel 5523 df-po 5531 df-so 5532 df-fr 5576 df-we 5578 df-xp 5629 df-rel 5630 df-cnv 5631 df-co 5632 df-dm 5633 df-rn 5634 df-res 5635 df-ima 5636 df-pred 6253 df-ord 6314 df-on 6315 df-lim 6316 df-suc 6317 df-iota 6442 df-fun 6488 df-fn 6489 df-f 6490 df-f1 6491 df-fo 6492 df-f1o 6493 df-fv 6494 df-riota 7310 df-ov 7356 df-oprab 7357 df-mpo 7358 df-of 7617 df-om 7807 df-1st 7931 df-2nd 7932 df-supp 8101 df-frecs 8221 df-wrecs 8252 df-recs 8301 df-rdg 8339 df-1o 8395 df-er 8632 df-map 8762 df-ixp 8832 df-en 8880 df-dom 8881 df-sdom 8882 df-fin 8883 df-fsupp 9271 df-sup 9351 df-pnf 11170 df-mnf 11171 df-xr 11172 df-ltxr 11173 df-le 11174 df-sub 11367 df-neg 11368 df-nn 12147 df-2 12209 df-3 12210 df-4 12211 df-5 12212 df-6 12213 df-7 12214 df-8 12215 df-9 12216 df-n0 12403 df-z 12490 df-dec 12610 df-uz 12754 df-fz 13429 df-struct 17076 df-sets 17093 df-slot 17111 df-ndx 17123 df-base 17139 df-ress 17160 df-plusg 17192 df-mulr 17193 df-sca 17195 df-vsca 17196 df-ip 17197 df-tset 17198 df-ple 17199 df-ds 17201 df-hom 17203 df-cco 17204 df-0g 17363 df-prds 17369 df-pws 17371 df-mgm 18532 df-sgrp 18611 df-mnd 18627 df-grp 18833 df-minusg 18834 df-subg 19020 df-psr 21834 df-mpl 21836

This theorem is referenced by: mhpinvcl 22055

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