mnringmulrd - Mathbox for Rohan Ridenour

	Mathbox for Rohan Ridenour		< Previous Next > Nearby theorems
Mirrors > Home > MPE Home > Th. List > Mathboxes > mnringmulrd		Structured version Visualization version GIF version

Theorem mnringmulrd 43722

Description: The ring product of a monoid ring. (Contributed by Rohan Ridenour, 14-May-2024.)

**Hypotheses**
Ref	Expression
mnringmulrd.1	⊢ 𝐹 = (𝑅 MndRing 𝑀)
mnringmulrd.2	⊢ 𝐵 = (Base‘𝐹)
mnringmulrd.3	⊢ · = (._r‘𝑅)
mnringmulrd.4	⊢ 0 = (0_g‘𝑅)
mnringmulrd.5	⊢ 𝐴 = (Base‘𝑀)
mnringmulrd.6	⊢ + = (+_g‘𝑀)
mnringmulrd.7	⊢ (𝜑 → 𝑅 ∈ 𝑈)
mnringmulrd.8	⊢ (𝜑 → 𝑀 ∈ 𝑊)

**Assertion**
Ref	Expression
mnringmulrd	⊢ (𝜑 → (𝑥 ∈ 𝐵, 𝑦 ∈ 𝐵 ↦ (𝐹 Σ_g (𝑎 ∈ 𝐴, 𝑏 ∈ 𝐴 ↦ (𝑖 ∈ 𝐴 ↦ if(𝑖 = (𝑎 + 𝑏), ((𝑥‘𝑎) · (𝑦‘𝑏)), 0 ))))) = (._r‘𝐹))

Distinct variable groups: 𝜑,𝑥,𝑦 𝐴,𝑎,𝑏,𝑥,𝑦 𝑅,𝑎,𝑏,𝑖,𝑥,𝑦 𝑀,𝑎,𝑏,𝑖,𝑥,𝑦 Allowed substitution hints: 𝜑(𝑖,𝑎,𝑏) 𝐴(𝑖) 𝐵(𝑥,𝑦,𝑖,𝑎,𝑏) + (𝑥,𝑦,𝑖,𝑎,𝑏) · (𝑥,𝑦,𝑖,𝑎,𝑏) 𝑈(𝑥,𝑦,𝑖,𝑎,𝑏) 𝐹(𝑥,𝑦,𝑖,𝑎,𝑏) 𝑊(𝑥,𝑦,𝑖,𝑎,𝑏) 0 (𝑥,𝑦,𝑖,𝑎,𝑏)

**Proof of Theorem mnringmulrd**
Step	Hyp	Ref	Expression
1		mnringmulrd.1	. . . 4 ⊢ 𝐹 = (𝑅 MndRing 𝑀)
2		mnringmulrd.2	. . . 4 ⊢ 𝐵 = (Base‘𝐹)
3		mnringmulrd.5	. . . 4 ⊢ 𝐴 = (Base‘𝑀)
4		eqid 2725	. . . 4 ⊢ (𝑅 freeLMod 𝐴) = (𝑅 freeLMod 𝐴)
5		mnringmulrd.7	. . . 4 ⊢ (𝜑 → 𝑅 ∈ 𝑈)
6		mnringmulrd.8	. . . 4 ⊢ (𝜑 → 𝑀 ∈ 𝑊)
7	1, 2, 3, 4, 5, 6	mnringbaserd 43714	. . 3 ⊢ (𝜑 → 𝐵 = (Base‘(𝑅 freeLMod 𝐴)))
8	3	fvexi 6905	. . . . . 6 ⊢ 𝐴 ∈ V
9	8, 8	mpoex 8080	. . . . 5 ⊢ (𝑎 ∈ 𝐴, 𝑏 ∈ 𝐴 ↦ (𝑖 ∈ 𝐴 ↦ if(𝑖 = (𝑎 + 𝑏), ((𝑥‘𝑎) · (𝑦‘𝑏)), 0 ))) ∈ V
10	9	a1i 11	. . . 4 ⊢ (𝜑 → (𝑎 ∈ 𝐴, 𝑏 ∈ 𝐴 ↦ (𝑖 ∈ 𝐴 ↦ if(𝑖 = (𝑎 + 𝑏), ((𝑥‘𝑎) · (𝑦‘𝑏)), 0 ))) ∈ V)
11	1	ovexi 7449	. . . . 5 ⊢ 𝐹 ∈ V
12	11	a1i 11	. . . 4 ⊢ (𝜑 → 𝐹 ∈ V)
13		ovex 7448	. . . . 5 ⊢ (𝑅 freeLMod 𝐴) ∈ V
14	13	a1i 11	. . . 4 ⊢ (𝜑 → (𝑅 freeLMod 𝐴) ∈ V)
15	2, 7	eqtr3id 2779	. . . 4 ⊢ (𝜑 → (Base‘𝐹) = (Base‘(𝑅 freeLMod 𝐴)))
16	1, 3, 4, 5, 6	mnringaddgd 43718	. . . . 5 ⊢ (𝜑 → (+_g‘(𝑅 freeLMod 𝐴)) = (+_g‘𝐹))
17	16	eqcomd 2731	. . . 4 ⊢ (𝜑 → (+_g‘𝐹) = (+_g‘(𝑅 freeLMod 𝐴)))
18	10, 12, 14, 15, 17	gsumpropd 18635	. . 3 ⊢ (𝜑 → (𝐹 Σ_g (𝑎 ∈ 𝐴, 𝑏 ∈ 𝐴 ↦ (𝑖 ∈ 𝐴 ↦ if(𝑖 = (𝑎 + 𝑏), ((𝑥‘𝑎) · (𝑦‘𝑏)), 0 )))) = ((𝑅 freeLMod 𝐴) Σ_g (𝑎 ∈ 𝐴, 𝑏 ∈ 𝐴 ↦ (𝑖 ∈ 𝐴 ↦ if(𝑖 = (𝑎 + 𝑏), ((𝑥‘𝑎) · (𝑦‘𝑏)), 0 )))))
19	7, 7, 18	mpoeq123dv 7491	. 2 ⊢ (𝜑 → (𝑥 ∈ 𝐵, 𝑦 ∈ 𝐵 ↦ (𝐹 Σ_g (𝑎 ∈ 𝐴, 𝑏 ∈ 𝐴 ↦ (𝑖 ∈ 𝐴 ↦ if(𝑖 = (𝑎 + 𝑏), ((𝑥‘𝑎) · (𝑦‘𝑏)), 0 ))))) = (𝑥 ∈ (Base‘(𝑅 freeLMod 𝐴)), 𝑦 ∈ (Base‘(𝑅 freeLMod 𝐴)) ↦ ((𝑅 freeLMod 𝐴) Σ_g (𝑎 ∈ 𝐴, 𝑏 ∈ 𝐴 ↦ (𝑖 ∈ 𝐴 ↦ if(𝑖 = (𝑎 + 𝑏), ((𝑥‘𝑎) · (𝑦‘𝑏)), 0 ))))))
20		fvex 6904	. . . . 5 ⊢ (Base‘(𝑅 freeLMod 𝐴)) ∈ V
21	20, 20	mpoex 8080	. . . 4 ⊢ (𝑥 ∈ (Base‘(𝑅 freeLMod 𝐴)), 𝑦 ∈ (Base‘(𝑅 freeLMod 𝐴)) ↦ ((𝑅 freeLMod 𝐴) Σ_g (𝑎 ∈ 𝐴, 𝑏 ∈ 𝐴 ↦ (𝑖 ∈ 𝐴 ↦ if(𝑖 = (𝑎 + 𝑏), ((𝑥‘𝑎) · (𝑦‘𝑏)), 0 ))))) ∈ V
22		mulridx 17272	. . . . 5 ⊢ ._r = Slot (._r‘ndx)
23	22	setsid 17174	. . . 4 ⊢ (((𝑅 freeLMod 𝐴) ∈ V ∧ (𝑥 ∈ (Base‘(𝑅 freeLMod 𝐴)), 𝑦 ∈ (Base‘(𝑅 freeLMod 𝐴)) ↦ ((𝑅 freeLMod 𝐴) Σ_g (𝑎 ∈ 𝐴, 𝑏 ∈ 𝐴 ↦ (𝑖 ∈ 𝐴 ↦ if(𝑖 = (𝑎 + 𝑏), ((𝑥‘𝑎) · (𝑦‘𝑏)), 0 ))))) ∈ V) → (𝑥 ∈ (Base‘(𝑅 freeLMod 𝐴)), 𝑦 ∈ (Base‘(𝑅 freeLMod 𝐴)) ↦ ((𝑅 freeLMod 𝐴) Σ_g (𝑎 ∈ 𝐴, 𝑏 ∈ 𝐴 ↦ (𝑖 ∈ 𝐴 ↦ if(𝑖 = (𝑎 + 𝑏), ((𝑥‘𝑎) · (𝑦‘𝑏)), 0 ))))) = (._r‘((𝑅 freeLMod 𝐴) sSet ⟨(._r‘ndx), (𝑥 ∈ (Base‘(𝑅 freeLMod 𝐴)), 𝑦 ∈ (Base‘(𝑅 freeLMod 𝐴)) ↦ ((𝑅 freeLMod 𝐴) Σ_g (𝑎 ∈ 𝐴, 𝑏 ∈ 𝐴 ↦ (𝑖 ∈ 𝐴 ↦ if(𝑖 = (𝑎 + 𝑏), ((𝑥‘𝑎) · (𝑦‘𝑏)), 0 )))))⟩)))
24	13, 21, 23	mp2an 690	. . 3 ⊢ (𝑥 ∈ (Base‘(𝑅 freeLMod 𝐴)), 𝑦 ∈ (Base‘(𝑅 freeLMod 𝐴)) ↦ ((𝑅 freeLMod 𝐴) Σ_g (𝑎 ∈ 𝐴, 𝑏 ∈ 𝐴 ↦ (𝑖 ∈ 𝐴 ↦ if(𝑖 = (𝑎 + 𝑏), ((𝑥‘𝑎) · (𝑦‘𝑏)), 0 ))))) = (._r‘((𝑅 freeLMod 𝐴) sSet ⟨(._r‘ndx), (𝑥 ∈ (Base‘(𝑅 freeLMod 𝐴)), 𝑦 ∈ (Base‘(𝑅 freeLMod 𝐴)) ↦ ((𝑅 freeLMod 𝐴) Σ_g (𝑎 ∈ 𝐴, 𝑏 ∈ 𝐴 ↦ (𝑖 ∈ 𝐴 ↦ if(𝑖 = (𝑎 + 𝑏), ((𝑥‘𝑎) · (𝑦‘𝑏)), 0 )))))⟩))
25		mnringmulrd.3	. . . . 5 ⊢ · = (._r‘𝑅)
26		mnringmulrd.4	. . . . 5 ⊢ 0 = (0_g‘𝑅)
27		mnringmulrd.6	. . . . 5 ⊢ + = (+_g‘𝑀)
28		eqid 2725	. . . . 5 ⊢ (Base‘(𝑅 freeLMod 𝐴)) = (Base‘(𝑅 freeLMod 𝐴))
29	1, 25, 26, 3, 27, 4, 28, 5, 6	mnringvald 43709	. . . 4 ⊢ (𝜑 → 𝐹 = ((𝑅 freeLMod 𝐴) sSet ⟨(._r‘ndx), (𝑥 ∈ (Base‘(𝑅 freeLMod 𝐴)), 𝑦 ∈ (Base‘(𝑅 freeLMod 𝐴)) ↦ ((𝑅 freeLMod 𝐴) Σ_g (𝑎 ∈ 𝐴, 𝑏 ∈ 𝐴 ↦ (𝑖 ∈ 𝐴 ↦ if(𝑖 = (𝑎 + 𝑏), ((𝑥‘𝑎) · (𝑦‘𝑏)), 0 )))))⟩))
30	29	fveq2d 6895	. . 3 ⊢ (𝜑 → (._r‘𝐹) = (._r‘((𝑅 freeLMod 𝐴) sSet ⟨(._r‘ndx), (𝑥 ∈ (Base‘(𝑅 freeLMod 𝐴)), 𝑦 ∈ (Base‘(𝑅 freeLMod 𝐴)) ↦ ((𝑅 freeLMod 𝐴) Σ_g (𝑎 ∈ 𝐴, 𝑏 ∈ 𝐴 ↦ (𝑖 ∈ 𝐴 ↦ if(𝑖 = (𝑎 + 𝑏), ((𝑥‘𝑎) · (𝑦‘𝑏)), 0 )))))⟩)))
31	24, 30	eqtr4id 2784	. 2 ⊢ (𝜑 → (𝑥 ∈ (Base‘(𝑅 freeLMod 𝐴)), 𝑦 ∈ (Base‘(𝑅 freeLMod 𝐴)) ↦ ((𝑅 freeLMod 𝐴) Σ_g (𝑎 ∈ 𝐴, 𝑏 ∈ 𝐴 ↦ (𝑖 ∈ 𝐴 ↦ if(𝑖 = (𝑎 + 𝑏), ((𝑥‘𝑎) · (𝑦‘𝑏)), 0 ))))) = (._r‘𝐹))
32	19, 31	eqtrd 2765	1 ⊢ (𝜑 → (𝑥 ∈ 𝐵, 𝑦 ∈ 𝐵 ↦ (𝐹 Σ_g (𝑎 ∈ 𝐴, 𝑏 ∈ 𝐴 ↦ (𝑖 ∈ 𝐴 ↦ if(𝑖 = (𝑎 + 𝑏), ((𝑥‘𝑎) · (𝑦‘𝑏)), 0 ))))) = (._r‘𝐹))

Colors of variables: wff setvar class

Syntax hints: → wi 4 = wceq 1533 ∈ wcel 2098 Vcvv 3463 ifcif 4524 ⟨cop 4630 ↦ cmpt 5226 ‘cfv 6542 (class class class)co 7415 ∈ cmpo 7417 sSet csts 17129 ndxcnx 17159 Basecbs 17177 +_gcplusg 17230 ._rcmulr 17231 0_gc0g 17418 Σ_g cgsu 17419 freeLMod cfrlm 21682 MndRing cmnring 43707

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 7737 ax-cnex 11192 ax-resscn 11193 ax-1cn 11194 ax-icn 11195 ax-addcl 11196 ax-addrcl 11197 ax-mulcl 11198 ax-mulrcl 11199 ax-mulcom 11200 ax-addass 11201 ax-mulass 11202 ax-distr 11203 ax-i2m1 11204 ax-1ne0 11205 ax-1rid 11206 ax-rnegex 11207 ax-rrecex 11208 ax-cnre 11209 ax-pre-lttri 11210 ax-pre-lttrn 11211 ax-pre-ltadd 11212 ax-pre-mulgt0 11213

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-reu 3365 df-rab 3420 df-v 3465 df-sbc 3770 df-csb 3886 df-dif 3943 df-un 3945 df-in 3947 df-ss 3957 df-pss 3960 df-nul 4319 df-if 4525 df-pw 4600 df-sn 4625 df-pr 4627 df-op 4631 df-uni 4904 df-iun 4993 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-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 6494 df-fun 6544 df-fn 6545 df-f 6546 df-f1 6547 df-fo 6548 df-f1o 6549 df-fv 6550 df-riota 7371 df-ov 7418 df-oprab 7419 df-mpo 7420 df-om 7868 df-1st 7989 df-2nd 7990 df-frecs 8283 df-wrecs 8314 df-recs 8388 df-rdg 8427 df-er 8721 df-en 8961 df-dom 8962 df-sdom 8963 df-pnf 11278 df-mnf 11279 df-xr 11280 df-ltxr 11281 df-le 11282 df-sub 11474 df-neg 11475 df-nn 12241 df-2 12303 df-3 12304 df-seq 13997 df-sets 17130 df-slot 17148 df-ndx 17160 df-base 17178 df-plusg 17243 df-mulr 17244 df-0g 17420 df-gsum 17421 df-mnring 43708

This theorem is referenced by: mnringmulrvald 43728

W3C validator