Theorem quslsm 33342

Description: Express the image by the quotient map in terms of direct sum. (Contributed by Thierry Arnoux, 27-Jul-2024.)

Hypotheses

Ref	Expression
quslsm.b	⊢ 𝐵 = (Base‘𝐺)
quslsm.p	⊢ ⊕ = (LSSum‘𝐺)
quslsm.n	⊢ (𝜑 → 𝑆 ∈ (SubGrp‘𝐺))
quslsm.s	⊢ (𝜑 → 𝑋 ∈ 𝐵)

Assertion

Ref	Expression
quslsm	⊢ (𝜑 → [𝑋](𝐺 ~QG 𝑆) = ({𝑋} ⊕ 𝑆))

Proof of Theorem quslsm

Dummy variables 𝑖 𝑗 𝑘 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		quslsm.n	. . . . . 6 ⊢ (𝜑 → 𝑆 ∈ (SubGrp‘𝐺))
2		subgrcl 19010	. . . . . 6 ⊢ (𝑆 ∈ (SubGrp‘𝐺) → 𝐺 ∈ Grp)
3	1, 2	syl 17	. . . . 5 ⊢ (𝜑 → 𝐺 ∈ Grp)
4		quslsm.b	. . . . . . 7 ⊢ 𝐵 = (Base‘𝐺)
5	4	subgss 19006	. . . . . 6 ⊢ (𝑆 ∈ (SubGrp‘𝐺) → 𝑆 ⊆ 𝐵)
6	1, 5	syl 17	. . . . 5 ⊢ (𝜑 → 𝑆 ⊆ 𝐵)
7		eqid 2729	. . . . . 6 ⊢ (invg‘𝐺) = (invg‘𝐺)
8		eqid 2729	. . . . . 6 ⊢ (+g‘𝐺) = (+g‘𝐺)
9		eqid 2729	. . . . . 6 ⊢ (𝐺 ~QG 𝑆) = (𝐺 ~QG 𝑆)
10	4, 7, 8, 9	eqgfval 19055	. . . . 5 ⊢ ((𝐺 ∈ Grp ∧ 𝑆 ⊆ 𝐵) → (𝐺 ~QG 𝑆) = {⟨𝑖, 𝑗⟩ ∣ ({𝑖, 𝑗} ⊆ 𝐵 ∧ (((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑗) ∈ 𝑆)})
11	3, 6, 10	syl2anc 584	. . . 4 ⊢ (𝜑 → (𝐺 ~QG 𝑆) = {⟨𝑖, 𝑗⟩ ∣ ({𝑖, 𝑗} ⊆ 𝐵 ∧ (((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑗) ∈ 𝑆)})
12		simpr 484	. . . . . . . 8 ⊢ (((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) ∧ (((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑗) ∈ 𝑆) → (((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑗) ∈ 𝑆)
13		oveq2 7357	. . . . . . . . . 10 ⊢ (𝑘 = (((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑗) → (𝑖(+g‘𝐺)𝑘) = (𝑖(+g‘𝐺)(((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑗)))
14	13	eqeq1d 2731	. . . . . . . . 9 ⊢ (𝑘 = (((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑗) → ((𝑖(+g‘𝐺)𝑘) = 𝑗 ↔ (𝑖(+g‘𝐺)(((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑗)) = 𝑗))
15	14	adantl 481	. . . . . . . 8 ⊢ ((((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) ∧ (((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑗) ∈ 𝑆) ∧ 𝑘 = (((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑗)) → ((𝑖(+g‘𝐺)𝑘) = 𝑗 ↔ (𝑖(+g‘𝐺)(((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑗)) = 𝑗))
16	3	adantr 480	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) → 𝐺 ∈ Grp)
17		vex 3440	. . . . . . . . . . . . . . . 16 ⊢ 𝑖 ∈ V
18		vex 3440	. . . . . . . . . . . . . . . 16 ⊢ 𝑗 ∈ V
19	17, 18	prss 4771	. . . . . . . . . . . . . . 15 ⊢ ((𝑖 ∈ 𝐵 ∧ 𝑗 ∈ 𝐵) ↔ {𝑖, 𝑗} ⊆ 𝐵)
20	19	bicomi 224	. . . . . . . . . . . . . 14 ⊢ ({𝑖, 𝑗} ⊆ 𝐵 ↔ (𝑖 ∈ 𝐵 ∧ 𝑗 ∈ 𝐵))
21	20	simplbi 497	. . . . . . . . . . . . 13 ⊢ ({𝑖, 𝑗} ⊆ 𝐵 → 𝑖 ∈ 𝐵)
22	21	adantl 481	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) → 𝑖 ∈ 𝐵)
23		eqid 2729	. . . . . . . . . . . . 13 ⊢ (0g‘𝐺) = (0g‘𝐺)
24	4, 8, 23, 7	grprinv 18869	. . . . . . . . . . . 12 ⊢ ((𝐺 ∈ Grp ∧ 𝑖 ∈ 𝐵) → (𝑖(+g‘𝐺)((invg‘𝐺)‘𝑖)) = (0g‘𝐺))
25	16, 22, 24	syl2anc 584	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) → (𝑖(+g‘𝐺)((invg‘𝐺)‘𝑖)) = (0g‘𝐺))
26	25	oveq1d 7364	. . . . . . . . . 10 ⊢ ((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) → ((𝑖(+g‘𝐺)((invg‘𝐺)‘𝑖))(+g‘𝐺)𝑗) = ((0g‘𝐺)(+g‘𝐺)𝑗))
27	4, 7	grpinvcl 18866	. . . . . . . . . . . 12 ⊢ ((𝐺 ∈ Grp ∧ 𝑖 ∈ 𝐵) → ((invg‘𝐺)‘𝑖) ∈ 𝐵)
28	16, 22, 27	syl2anc 584	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) → ((invg‘𝐺)‘𝑖) ∈ 𝐵)
29	20	simprbi 496	. . . . . . . . . . . 12 ⊢ ({𝑖, 𝑗} ⊆ 𝐵 → 𝑗 ∈ 𝐵)
30	29	adantl 481	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) → 𝑗 ∈ 𝐵)
31	4, 8	grpass 18821	. . . . . . . . . . 11 ⊢ ((𝐺 ∈ Grp ∧ (𝑖 ∈ 𝐵 ∧ ((invg‘𝐺)‘𝑖) ∈ 𝐵 ∧ 𝑗 ∈ 𝐵)) → ((𝑖(+g‘𝐺)((invg‘𝐺)‘𝑖))(+g‘𝐺)𝑗) = (𝑖(+g‘𝐺)(((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑗)))
32	16, 22, 28, 30, 31	syl13anc 1374	. . . . . . . . . 10 ⊢ ((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) → ((𝑖(+g‘𝐺)((invg‘𝐺)‘𝑖))(+g‘𝐺)𝑗) = (𝑖(+g‘𝐺)(((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑗)))
33	4, 8, 23	grplid 18846	. . . . . . . . . . 11 ⊢ ((𝐺 ∈ Grp ∧ 𝑗 ∈ 𝐵) → ((0g‘𝐺)(+g‘𝐺)𝑗) = 𝑗)
34	16, 30, 33	syl2anc 584	. . . . . . . . . 10 ⊢ ((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) → ((0g‘𝐺)(+g‘𝐺)𝑗) = 𝑗)
35	26, 32, 34	3eqtr3d 2772	. . . . . . . . 9 ⊢ ((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) → (𝑖(+g‘𝐺)(((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑗)) = 𝑗)
36	35	adantr 480	. . . . . . . 8 ⊢ (((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) ∧ (((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑗) ∈ 𝑆) → (𝑖(+g‘𝐺)(((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑗)) = 𝑗)
37	12, 15, 36	rspcedvd 3579	. . . . . . 7 ⊢ (((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) ∧ (((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑗) ∈ 𝑆) → ∃𝑘 ∈ 𝑆 (𝑖(+g‘𝐺)𝑘) = 𝑗)
38		oveq2 7357	. . . . . . . . . . 11 ⊢ ((𝑖(+g‘𝐺)𝑘) = 𝑗 → (((invg‘𝐺)‘𝑖)(+g‘𝐺)(𝑖(+g‘𝐺)𝑘)) = (((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑗))
39	38	adantl 481	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) ∧ 𝑘 ∈ 𝑆) ∧ (𝑖(+g‘𝐺)𝑘) = 𝑗) → (((invg‘𝐺)‘𝑖)(+g‘𝐺)(𝑖(+g‘𝐺)𝑘)) = (((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑗))
40		simpll 766	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) ∧ 𝑘 ∈ 𝑆) → 𝜑)
41	22	adantr 480	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) ∧ 𝑘 ∈ 𝑆) → 𝑖 ∈ 𝐵)
42	6	adantr 480	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) → 𝑆 ⊆ 𝐵)
43	42	sselda 3935	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) ∧ 𝑘 ∈ 𝑆) → 𝑘 ∈ 𝐵)
44	3	3ad2ant1 1133	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑖 ∈ 𝐵 ∧ 𝑘 ∈ 𝐵) → 𝐺 ∈ Grp)
45		simp2 1137	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑖 ∈ 𝐵 ∧ 𝑘 ∈ 𝐵) → 𝑖 ∈ 𝐵)
46	4, 8, 23, 7	grplinv 18868	. . . . . . . . . . . . . . 15 ⊢ ((𝐺 ∈ Grp ∧ 𝑖 ∈ 𝐵) → (((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑖) = (0g‘𝐺))
47	44, 45, 46	syl2anc 584	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑖 ∈ 𝐵 ∧ 𝑘 ∈ 𝐵) → (((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑖) = (0g‘𝐺))
48	47	oveq1d 7364	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑖 ∈ 𝐵 ∧ 𝑘 ∈ 𝐵) → ((((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑖)(+g‘𝐺)𝑘) = ((0g‘𝐺)(+g‘𝐺)𝑘))
49	44, 45, 27	syl2anc 584	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑖 ∈ 𝐵 ∧ 𝑘 ∈ 𝐵) → ((invg‘𝐺)‘𝑖) ∈ 𝐵)
50		simp3 1138	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑖 ∈ 𝐵 ∧ 𝑘 ∈ 𝐵) → 𝑘 ∈ 𝐵)
51	4, 8	grpass 18821	. . . . . . . . . . . . . 14 ⊢ ((𝐺 ∈ Grp ∧ (((invg‘𝐺)‘𝑖) ∈ 𝐵 ∧ 𝑖 ∈ 𝐵 ∧ 𝑘 ∈ 𝐵)) → ((((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑖)(+g‘𝐺)𝑘) = (((invg‘𝐺)‘𝑖)(+g‘𝐺)(𝑖(+g‘𝐺)𝑘)))
52	44, 49, 45, 50, 51	syl13anc 1374	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑖 ∈ 𝐵 ∧ 𝑘 ∈ 𝐵) → ((((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑖)(+g‘𝐺)𝑘) = (((invg‘𝐺)‘𝑖)(+g‘𝐺)(𝑖(+g‘𝐺)𝑘)))
53	4, 8, 23	grplid 18846	. . . . . . . . . . . . . 14 ⊢ ((𝐺 ∈ Grp ∧ 𝑘 ∈ 𝐵) → ((0g‘𝐺)(+g‘𝐺)𝑘) = 𝑘)
54	44, 50, 53	syl2anc 584	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑖 ∈ 𝐵 ∧ 𝑘 ∈ 𝐵) → ((0g‘𝐺)(+g‘𝐺)𝑘) = 𝑘)
55	48, 52, 54	3eqtr3d 2772	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑖 ∈ 𝐵 ∧ 𝑘 ∈ 𝐵) → (((invg‘𝐺)‘𝑖)(+g‘𝐺)(𝑖(+g‘𝐺)𝑘)) = 𝑘)
56	40, 41, 43, 55	syl3anc 1373	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) ∧ 𝑘 ∈ 𝑆) → (((invg‘𝐺)‘𝑖)(+g‘𝐺)(𝑖(+g‘𝐺)𝑘)) = 𝑘)
57	56	adantr 480	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) ∧ 𝑘 ∈ 𝑆) ∧ (𝑖(+g‘𝐺)𝑘) = 𝑗) → (((invg‘𝐺)‘𝑖)(+g‘𝐺)(𝑖(+g‘𝐺)𝑘)) = 𝑘)
58	39, 57	eqtr3d 2766	. . . . . . . . 9 ⊢ ((((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) ∧ 𝑘 ∈ 𝑆) ∧ (𝑖(+g‘𝐺)𝑘) = 𝑗) → (((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑗) = 𝑘)
59		simplr 768	. . . . . . . . 9 ⊢ ((((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) ∧ 𝑘 ∈ 𝑆) ∧ (𝑖(+g‘𝐺)𝑘) = 𝑗) → 𝑘 ∈ 𝑆)
60	58, 59	eqeltrd 2828	. . . . . . . 8 ⊢ ((((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) ∧ 𝑘 ∈ 𝑆) ∧ (𝑖(+g‘𝐺)𝑘) = 𝑗) → (((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑗) ∈ 𝑆)
61	60	r19.29an 3133	. . . . . . 7 ⊢ (((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) ∧ ∃𝑘 ∈ 𝑆 (𝑖(+g‘𝐺)𝑘) = 𝑗) → (((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑗) ∈ 𝑆)
62	37, 61	impbida 800	. . . . . 6 ⊢ ((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) → ((((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑗) ∈ 𝑆 ↔ ∃𝑘 ∈ 𝑆 (𝑖(+g‘𝐺)𝑘) = 𝑗))
63	62	pm5.32da 579	. . . . 5 ⊢ (𝜑 → (({𝑖, 𝑗} ⊆ 𝐵 ∧ (((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑗) ∈ 𝑆) ↔ ({𝑖, 𝑗} ⊆ 𝐵 ∧ ∃𝑘 ∈ 𝑆 (𝑖(+g‘𝐺)𝑘) = 𝑗)))
64	63	opabbidv 5158	. . . 4 ⊢ (𝜑 → {⟨𝑖, 𝑗⟩ ∣ ({𝑖, 𝑗} ⊆ 𝐵 ∧ (((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑗) ∈ 𝑆)} = {⟨𝑖, 𝑗⟩ ∣ ({𝑖, 𝑗} ⊆ 𝐵 ∧ ∃𝑘 ∈ 𝑆 (𝑖(+g‘𝐺)𝑘) = 𝑗)})
65	11, 64	eqtrd 2764	. . 3 ⊢ (𝜑 → (𝐺 ~QG 𝑆) = {⟨𝑖, 𝑗⟩ ∣ ({𝑖, 𝑗} ⊆ 𝐵 ∧ ∃𝑘 ∈ 𝑆 (𝑖(+g‘𝐺)𝑘) = 𝑗)})
66	65	eceq2d 8668	. 2 ⊢ (𝜑 → [𝑋](𝐺 ~QG 𝑆) = [𝑋]{⟨𝑖, 𝑗⟩ ∣ ({𝑖, 𝑗} ⊆ 𝐵 ∧ ∃𝑘 ∈ 𝑆 (𝑖(+g‘𝐺)𝑘) = 𝑗)})
67		quslsm.p	. . 3 ⊢ ⊕ = (LSSum‘𝐺)
68		eqid 2729	. . 3 ⊢ {⟨𝑖, 𝑗⟩ ∣ ({𝑖, 𝑗} ⊆ 𝐵 ∧ ∃𝑘 ∈ 𝑆 (𝑖(+g‘𝐺)𝑘) = 𝑗)} = {⟨𝑖, 𝑗⟩ ∣ ({𝑖, 𝑗} ⊆ 𝐵 ∧ ∃𝑘 ∈ 𝑆 (𝑖(+g‘𝐺)𝑘) = 𝑗)}
69	3	grpmndd 18825	. . 3 ⊢ (𝜑 → 𝐺 ∈ Mnd)
70		quslsm.s	. . 3 ⊢ (𝜑 → 𝑋 ∈ 𝐵)
71	4, 8, 67, 68, 69, 6, 70	lsmsnorb2 33329	. 2 ⊢ (𝜑 → ({𝑋} ⊕ 𝑆) = [𝑋]{⟨𝑖, 𝑗⟩ ∣ ({𝑖, 𝑗} ⊆ 𝐵 ∧ ∃𝑘 ∈ 𝑆 (𝑖(+g‘𝐺)𝑘) = 𝑗)})
72	66, 71	eqtr4d 2767	1 ⊢ (𝜑 → [𝑋](𝐺 ~QG 𝑆) = ({𝑋} ⊕ 𝑆))

Syntax hints:   → wi 4   ↔ wb 206   ∧ wa 395   ∧ w3a 1086   = wceq 1540   ∈ wcel 2109  ∃wrex 3053   ⊆ wss 3903  {csn 4577  {cpr 4579  {copab 5154  ‘cfv 6482  (class class class)co 7349  [cec 8623  Basecbs 17120  +_gcplusg 17161  0_gc0g 17343  Grpcgrp 18812  inv_gcminusg 18813  SubGrpcsubg 18999   ~_QG cqg 19001  LSSumclsm 19513

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 5218  ax-sep 5235  ax-nul 5245  ax-pow 5304  ax-pr 5371  ax-un 7671  ax-cnex 11065  ax-resscn 11066  ax-1cn 11067  ax-icn 11068  ax-addcl 11069  ax-addrcl 11070  ax-mulcl 11071  ax-mulrcl 11072  ax-mulcom 11073  ax-addass 11074  ax-mulass 11075  ax-distr 11076  ax-i2m1 11077  ax-1ne0 11078  ax-1rid 11079  ax-rnegex 11080  ax-rrecex 11081  ax-cnre 11082  ax-pre-lttri 11083  ax-pre-lttrn 11084  ax-pre-ltadd 11085  ax-pre-mulgt0 11086

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 3343  df-reu 3344  df-rab 3395  df-v 3438  df-sbc 3743  df-csb 3852  df-dif 3906  df-un 3908  df-in 3910  df-ss 3920  df-pss 3923  df-nul 4285  df-if 4477  df-pw 4553  df-sn 4578  df-pr 4580  df-op 4584  df-uni 4859  df-iun 4943  df-br 5093  df-opab 5155  df-mpt 5174  df-tr 5200  df-id 5514  df-eprel 5519  df-po 5527  df-so 5528  df-fr 5572  df-we 5574  df-xp 5625  df-rel 5626  df-cnv 5627  df-co 5628  df-dm 5629  df-rn 5630  df-res 5631  df-ima 5632  df-pred 6249  df-ord 6310  df-on 6311  df-lim 6312  df-suc 6313  df-iota 6438  df-fun 6484  df-fn 6485  df-f 6486  df-f1 6487  df-fo 6488  df-f1o 6489  df-fv 6490  df-riota 7306  df-ov 7352  df-oprab 7353  df-mpo 7354  df-om 7800  df-1st 7924  df-2nd 7925  df-tpos 8159  df-frecs 8214  df-wrecs 8245  df-recs 8294  df-rdg 8332  df-er 8625  df-ec 8627  df-en 8873  df-dom 8874  df-sdom 8875  df-pnf 11151  df-mnf 11152  df-xr 11153  df-ltxr 11154  df-le 11155  df-sub 11349  df-neg 11350  df-nn 12129  df-2 12191  df-sets 17075  df-slot 17093  df-ndx 17105  df-base 17121  df-plusg 17174  df-0g 17345  df-mgm 18514  df-sgrp 18593  df-mnd 18609  df-grp 18815  df-minusg 18816  df-subg 19002  df-eqg 19004  df-oppg 19225  df-lsm 19515

This theorem is referenced by:  qusbas2  33343  qus0g  33344  qusima  33345  nsgqus0  33347  nsgmgclem  33348  nsgqusf1olem1  33350  nsgqusf1olem2  33351  nsgqusf1olem3  33352