Theorem quslsm 33657

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 19196	. . . . . 6 ⊢ (𝑆 ∈ (SubGrp‘𝐺) → 𝐺 ∈ Grp)
3	1, 2	syl 18	. . . . 5 ⊢ (𝜑 → 𝐺 ∈ Grp)
4		quslsm.b	. . . . . . 7 ⊢ 𝐵 = (Base‘𝐺)
5	4	subgss 19192	. . . . . 6 ⊢ (𝑆 ∈ (SubGrp‘𝐺) → 𝑆 ⊆ 𝐵)
6	1, 5	syl 18	. . . . 5 ⊢ (𝜑 → 𝑆 ⊆ 𝐵)
7		eqid 2769	. . . . . 6 ⊢ (invg‘𝐺) = (invg‘𝐺)
8		eqid 2769	. . . . . 6 ⊢ (+g‘𝐺) = (+g‘𝐺)
9		eqid 2769	. . . . . 6 ⊢ (𝐺 ~QG 𝑆) = (𝐺 ~QG 𝑆)
10	4, 7, 8, 9	eqgfval 19243	. . . . 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 595	. . . 4 ⊢ (𝜑 → (𝐺 ~QG 𝑆) = {⟨𝑖, 𝑗⟩ ∣ ({𝑖, 𝑗} ⊆ 𝐵 ∧ (((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑗) ∈ 𝑆)})
12		simpr 489	. . . . . . . 8 ⊢ (((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) ∧ (((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑗) ∈ 𝑆) → (((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑗) ∈ 𝑆)
13		oveq2 7419	. . . . . . . . . 10 ⊢ (𝑘 = (((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑗) → (𝑖(+g‘𝐺)𝑘) = (𝑖(+g‘𝐺)(((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑗)))
14	13	eqeq1d 2771	. . . . . . . . 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 486	. . . . . . . 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 485	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) → 𝐺 ∈ Grp)
17		vex 3467	. . . . . . . . . . . . . . . 16 ⊢ 𝑖 ∈ V
18		vex 3467	. . . . . . . . . . . . . . . 16 ⊢ 𝑗 ∈ V
19	17, 18	prss 4790	. . . . . . . . . . . . . . 15 ⊢ ((𝑖 ∈ 𝐵 ∧ 𝑗 ∈ 𝐵) ↔ {𝑖, 𝑗} ⊆ 𝐵)
20	19	bicomi 227	. . . . . . . . . . . . . 14 ⊢ ({𝑖, 𝑗} ⊆ 𝐵 ↔ (𝑖 ∈ 𝐵 ∧ 𝑗 ∈ 𝐵))
21	20	simplbi 501	. . . . . . . . . . . . 13 ⊢ ({𝑖, 𝑗} ⊆ 𝐵 → 𝑖 ∈ 𝐵)
22	21	adantl 486	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) → 𝑖 ∈ 𝐵)
23		eqid 2769	. . . . . . . . . . . . 13 ⊢ (0g‘𝐺) = (0g‘𝐺)
24	4, 8, 23, 7	grprinv 19056	. . . . . . . . . . . 12 ⊢ ((𝐺 ∈ Grp ∧ 𝑖 ∈ 𝐵) → (𝑖(+g‘𝐺)((invg‘𝐺)‘𝑖)) = (0g‘𝐺))
25	16, 22, 24	syl2anc 595	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) → (𝑖(+g‘𝐺)((invg‘𝐺)‘𝑖)) = (0g‘𝐺))
26	25	oveq1d 7426	. . . . . . . . . 10 ⊢ ((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) → ((𝑖(+g‘𝐺)((invg‘𝐺)‘𝑖))(+g‘𝐺)𝑗) = ((0g‘𝐺)(+g‘𝐺)𝑗))
27	4, 7	grpinvcl 19053	. . . . . . . . . . . 12 ⊢ ((𝐺 ∈ Grp ∧ 𝑖 ∈ 𝐵) → ((invg‘𝐺)‘𝑖) ∈ 𝐵)
28	16, 22, 27	syl2anc 595	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) → ((invg‘𝐺)‘𝑖) ∈ 𝐵)
29	20	simprbi 502	. . . . . . . . . . . 12 ⊢ ({𝑖, 𝑗} ⊆ 𝐵 → 𝑗 ∈ 𝐵)
30	29	adantl 486	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) → 𝑗 ∈ 𝐵)
31	4, 8	grpass 19008	. . . . . . . . . . 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 1397	. . . . . . . . . 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 19033	. . . . . . . . . . 11 ⊢ ((𝐺 ∈ Grp ∧ 𝑗 ∈ 𝐵) → ((0g‘𝐺)(+g‘𝐺)𝑗) = 𝑗)
34	16, 30, 33	syl2anc 595	. . . . . . . . . 10 ⊢ ((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) → ((0g‘𝐺)(+g‘𝐺)𝑗) = 𝑗)
35	26, 32, 34	3eqtr3d 2812	. . . . . . . . 9 ⊢ ((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) → (𝑖(+g‘𝐺)(((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑗)) = 𝑗)
36	35	adantr 485	. . . . . . . 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 3592	. . . . . . 7 ⊢ (((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) ∧ (((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑗) ∈ 𝑆) → ∃𝑘 ∈ 𝑆 (𝑖(+g‘𝐺)𝑘) = 𝑗)
38		oveq2 7419	. . . . . . . . . . 11 ⊢ ((𝑖(+g‘𝐺)𝑘) = 𝑗 → (((invg‘𝐺)‘𝑖)(+g‘𝐺)(𝑖(+g‘𝐺)𝑘)) = (((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑗))
39	38	adantl 486	. . . . . . . . . 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 778	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) ∧ 𝑘 ∈ 𝑆) → 𝜑)
41	22	adantr 485	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) ∧ 𝑘 ∈ 𝑆) → 𝑖 ∈ 𝐵)
42	6	adantr 485	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) → 𝑆 ⊆ 𝐵)
43	42	sselda 3945	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) ∧ 𝑘 ∈ 𝑆) → 𝑘 ∈ 𝐵)
44	3	3ad2ant1 1149	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑖 ∈ 𝐵 ∧ 𝑘 ∈ 𝐵) → 𝐺 ∈ Grp)
45		simp2 1153	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑖 ∈ 𝐵 ∧ 𝑘 ∈ 𝐵) → 𝑖 ∈ 𝐵)
46	4, 8, 23, 7	grplinv 19055	. . . . . . . . . . . . . . 15 ⊢ ((𝐺 ∈ Grp ∧ 𝑖 ∈ 𝐵) → (((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑖) = (0g‘𝐺))
47	44, 45, 46	syl2anc 595	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑖 ∈ 𝐵 ∧ 𝑘 ∈ 𝐵) → (((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑖) = (0g‘𝐺))
48	47	oveq1d 7426	. . . . . . . . . . . . 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 595	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑖 ∈ 𝐵 ∧ 𝑘 ∈ 𝐵) → ((invg‘𝐺)‘𝑖) ∈ 𝐵)
50		simp3 1154	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑖 ∈ 𝐵 ∧ 𝑘 ∈ 𝐵) → 𝑘 ∈ 𝐵)
51	4, 8	grpass 19008	. . . . . . . . . . . . . 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 1397	. . . . . . . . . . . . 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 19033	. . . . . . . . . . . . . 14 ⊢ ((𝐺 ∈ Grp ∧ 𝑘 ∈ 𝐵) → ((0g‘𝐺)(+g‘𝐺)𝑘) = 𝑘)
54	44, 50, 53	syl2anc 595	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑖 ∈ 𝐵 ∧ 𝑘 ∈ 𝐵) → ((0g‘𝐺)(+g‘𝐺)𝑘) = 𝑘)
55	48, 52, 54	3eqtr3d 2812	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑖 ∈ 𝐵 ∧ 𝑘 ∈ 𝐵) → (((invg‘𝐺)‘𝑖)(+g‘𝐺)(𝑖(+g‘𝐺)𝑘)) = 𝑘)
56	40, 41, 43, 55	syl3anc 1396	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) ∧ 𝑘 ∈ 𝑆) → (((invg‘𝐺)‘𝑖)(+g‘𝐺)(𝑖(+g‘𝐺)𝑘)) = 𝑘)
57	56	adantr 485	. . . . . . . . . 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 2806	. . . . . . . . 9 ⊢ ((((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) ∧ 𝑘 ∈ 𝑆) ∧ (𝑖(+g‘𝐺)𝑘) = 𝑗) → (((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑗) = 𝑘)
59		simplr 780	. . . . . . . . 9 ⊢ ((((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) ∧ 𝑘 ∈ 𝑆) ∧ (𝑖(+g‘𝐺)𝑘) = 𝑗) → 𝑘 ∈ 𝑆)
60	58, 59	eqeltrd 2869	. . . . . . . 8 ⊢ ((((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) ∧ 𝑘 ∈ 𝑆) ∧ (𝑖(+g‘𝐺)𝑘) = 𝑗) → (((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑗) ∈ 𝑆)
61	60	r19.29an 3175	. . . . . . 7 ⊢ (((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) ∧ ∃𝑘 ∈ 𝑆 (𝑖(+g‘𝐺)𝑘) = 𝑗) → (((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑗) ∈ 𝑆)
62	37, 61	impbida 812	. . . . . 6 ⊢ ((𝜑 ∧ {𝑖, 𝑗} ⊆ 𝐵) → ((((invg‘𝐺)‘𝑖)(+g‘𝐺)𝑗) ∈ 𝑆 ↔ ∃𝑘 ∈ 𝑆 (𝑖(+g‘𝐺)𝑘) = 𝑗))
63	62	pm5.32da 589	. . . . 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 5181	. . . 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 2804	. . 3 ⊢ (𝜑 → (𝐺 ~QG 𝑆) = {⟨𝑖, 𝑗⟩ ∣ ({𝑖, 𝑗} ⊆ 𝐵 ∧ ∃𝑘 ∈ 𝑆 (𝑖(+g‘𝐺)𝑘) = 𝑗)})
66	65	eceq2d 8737	. 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 2769	. . 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 19012	. . 3 ⊢ (𝜑 → 𝐺 ∈ Mnd)
70		quslsm.s	. . 3 ⊢ (𝜑 → 𝑋 ∈ 𝐵)
71	4, 8, 67, 68, 69, 6, 70	lsmsnorb2 33648	. 2 ⊢ (𝜑 → ({𝑋} ⊕ 𝑆) = [𝑋]{⟨𝑖, 𝑗⟩ ∣ ({𝑖, 𝑗} ⊆ 𝐵 ∧ ∃𝑘 ∈ 𝑆 (𝑖(+g‘𝐺)𝑘) = 𝑗)})
72	66, 71	eqtr4d 2807	1 ⊢ (𝜑 → [𝑋](𝐺 ~QG 𝑆) = ({𝑋} ⊕ 𝑆))

Syntax hints:   → wi 4   ↔ wb 209   ∧ wa 400   ∧ w3a 1101   = wceq 1567   ∈ wcel 2149  ∃wrex 3095   ⊆ wss 3913  {csn 4594  {cpr 4596  {copab 5177  ‘cfv 6537  (class class class)co 7411  [cec 8691  Basecbs 17268  +_gcplusg 17309  0_gc0g 17491  Grpcgrp 18999  inv_gcminusg 19000  SubGrpcsubg 19185   ~_QG cqg 19187  LSSumclsm 19703

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1822  ax-4 1836  ax-5 1937  ax-6 1994  ax-7 2035  ax-8 2151  ax-9 2159  ax-10 2182  ax-11 2198  ax-12 2219  ax-ext 2741  ax-rep 5242  ax-sep 5261  ax-nul 5271  ax-pow 5337  ax-pr 5405  ax-un 7733  ax-cnex 11155  ax-resscn 11156  ax-1cn 11157  ax-icn 11158  ax-addcl 11159  ax-addrcl 11160  ax-mulcl 11161  ax-mulrcl 11162  ax-mulcom 11163  ax-addass 11164  ax-mulass 11165  ax-distr 11166  ax-i2m1 11167  ax-1ne0 11168  ax-1rid 11169  ax-rnegex 11170  ax-rrecex 11171  ax-cnre 11172  ax-pre-lttri 11173  ax-pre-lttrn 11174  ax-pre-ltadd 11175  ax-pre-mulgt0 11176

This theorem depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3or 1102  df-3an 1103  df-tru 1570  df-fal 1580  df-ex 1807  df-nf 1811  df-sb 2098  df-mo 2573  df-eu 2603  df-clab 2748  df-cleq 2761  df-clel 2844  df-nfc 2918  df-ne 2965  df-nel 3071  df-ral 3086  df-rex 3096  df-rmo 3376  df-reu 3377  df-rab 3424  df-v 3465  df-sbc 3754  df-csb 3862  df-dif 3916  df-un 3918  df-in 3920  df-ss 3930  df-pss 3933  df-nul 4295  df-if 4493  df-pw 4569  df-sn 4595  df-pr 4597  df-op 4601  df-uni 4877  df-iun 4962  df-br 5114  df-opab 5178  df-mpt 5197  df-tr 5223  df-id 5557  df-eprel 5562  df-po 5570  df-so 5571  df-fr 5615  df-we 5617  df-xp 5668  df-rel 5669  df-cnv 5670  df-co 5671  df-dm 5672  df-rn 5673  df-res 5674  df-ima 5675  df-pred 6303  df-ord 6364  df-on 6365  df-lim 6366  df-suc 6367  df-iota 6493  df-fun 6539  df-fn 6540  df-f 6541  df-f1 6542  df-fo 6543  df-f1o 6544  df-fv 6545  df-riota 7368  df-ov 7414  df-oprab 7415  df-mpo 7416  df-om 7862  df-1st 7985  df-2nd 7986  df-tpos 8221  df-frecs 8277  df-wrecs 8308  df-recs 8357  df-rdg 8396  df-er 8693  df-ec 8695  df-en 8943  df-dom 8944  df-sdom 8945  df-pnf 11244  df-mnf 11245  df-xr 11246  df-ltxr 11247  df-le 11248  df-sub 11442  df-neg 11443  df-nn 12233  df-2 12302  df-sets 17223  df-slot 17241  df-ndx 17253  df-base 17269  df-plusg 17322  df-0g 17493  df-mgm 18697  df-sgrp 18776  df-mnd 18792  df-grp 19002  df-minusg 19003  df-subg 19188  df-eqg 19190  df-oppg 19415  df-lsm 19705

This theorem is referenced by:  qusbas2  33658  qus0g  33659  qusima  33660  nsgqus0  33662  nsgmgclem  33663  nsgqusf1olem1  33665  nsgqusf1olem2  33666  nsgqusf1olem3  33667