Theorem mplsubglem 21777

Description: If 𝐴 is an ideal of sets (a nonempty collection closed under subset and binary union) of the set 𝐷 of finite bags (the primary applications being 𝐴 = Fin and 𝐴 = 𝒫 𝐵 for some 𝐵), then the set of all power series whose coefficient functions are supported on an element of 𝐴 is a subgroup of the set of all power series. (Contributed by Mario Carneiro, 12-Jan-2015.) (Revised by AV, 16-Jul-2019.)

Hypotheses

Ref	Expression
mplsubglem.s	⊢ 𝑆 = (𝐼 mPwSer 𝑅)
mplsubglem.b	⊢ 𝐵 = (Base‘𝑆)
mplsubglem.z	⊢ 0 = (0g‘𝑅)
mplsubglem.d	⊢ 𝐷 = {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin}
mplsubglem.i	⊢ (𝜑 → 𝐼 ∈ 𝑊)
mplsubglem.0	⊢ (𝜑 → ∅ ∈ 𝐴)
mplsubglem.a	⊢ ((𝜑 ∧ (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐴)) → (𝑥 ∪ 𝑦) ∈ 𝐴)
mplsubglem.y	⊢ ((𝜑 ∧ (𝑥 ∈ 𝐴 ∧ 𝑦 ⊆ 𝑥)) → 𝑦 ∈ 𝐴)
mplsubglem.u	⊢ (𝜑 → 𝑈 = {𝑔 ∈ 𝐵 ∣ (𝑔 supp 0 ) ∈ 𝐴})
mplsubglem.r	⊢ (𝜑 → 𝑅 ∈ Grp)

Assertion

Ref	Expression
mplsubglem	⊢ (𝜑 → 𝑈 ∈ (SubGrp‘𝑆))

Distinct variable groups:   𝑓,𝑔,𝑥,𝑦, 0   𝐴,𝑓,𝑔,𝑥,𝑦   𝐵,𝑓,𝑔   𝐷,𝑔   𝑓,𝐼   𝜑,𝑥,𝑦   𝑆,𝑓,𝑔,𝑦

Allowed substitution hints:   𝜑(𝑓,𝑔)   𝐵(𝑥,𝑦)   𝐷(𝑥,𝑦,𝑓)   𝑅(𝑥,𝑦,𝑓,𝑔)   𝑆(𝑥)   𝑈(𝑥,𝑦,𝑓,𝑔)   𝐼(𝑥,𝑦,𝑔)   𝑊(𝑥,𝑦,𝑓,𝑔)

Proof of Theorem mplsubglem

Dummy variables 𝑘 𝑢 𝑣 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		mplsubglem.u	. . 3 ⊢ (𝜑 → 𝑈 = {𝑔 ∈ 𝐵 ∣ (𝑔 supp 0 ) ∈ 𝐴})
2		ssrab2 4076	. . 3 ⊢ {𝑔 ∈ 𝐵 ∣ (𝑔 supp 0 ) ∈ 𝐴} ⊆ 𝐵
3	1, 2	eqsstrdi 4035	. 2 ⊢ (𝜑 → 𝑈 ⊆ 𝐵)
4		mplsubglem.s	. . . . 5 ⊢ 𝑆 = (𝐼 mPwSer 𝑅)
5		mplsubglem.i	. . . . 5 ⊢ (𝜑 → 𝐼 ∈ 𝑊)
6		mplsubglem.r	. . . . 5 ⊢ (𝜑 → 𝑅 ∈ Grp)
7		mplsubglem.d	. . . . 5 ⊢ 𝐷 = {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin}
8		mplsubglem.z	. . . . 5 ⊢ 0 = (0g‘𝑅)
9		mplsubglem.b	. . . . 5 ⊢ 𝐵 = (Base‘𝑆)
10	4, 5, 6, 7, 8, 9	psr0cl 21732	. . . 4 ⊢ (𝜑 → (𝐷 × { 0 }) ∈ 𝐵)
11		eqid 2730	. . . . . . . . 9 ⊢ (Base‘𝑅) = (Base‘𝑅)
12	11, 8	grpidcl 18886	. . . . . . . 8 ⊢ (𝑅 ∈ Grp → 0 ∈ (Base‘𝑅))
13		fconst6g 6779	. . . . . . . 8 ⊢ ( 0 ∈ (Base‘𝑅) → (𝐷 × { 0 }):𝐷⟶(Base‘𝑅))
14	6, 12, 13	3syl 18	. . . . . . 7 ⊢ (𝜑 → (𝐷 × { 0 }):𝐷⟶(Base‘𝑅))
15		eldifi 4125	. . . . . . . . 9 ⊢ (𝑢 ∈ (𝐷 ∖ ∅) → 𝑢 ∈ 𝐷)
16	8	fvexi 6904	. . . . . . . . . 10 ⊢ 0 ∈ V
17	16	fvconst2 7206	. . . . . . . . 9 ⊢ (𝑢 ∈ 𝐷 → ((𝐷 × { 0 })‘𝑢) = 0 )
18	15, 17	syl 17	. . . . . . . 8 ⊢ (𝑢 ∈ (𝐷 ∖ ∅) → ((𝐷 × { 0 })‘𝑢) = 0 )
19	18	adantl 480	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑢 ∈ (𝐷 ∖ ∅)) → ((𝐷 × { 0 })‘𝑢) = 0 )
20	14, 19	suppss 8181	. . . . . 6 ⊢ (𝜑 → ((𝐷 × { 0 }) supp 0 ) ⊆ ∅)
21		ss0 4397	. . . . . 6 ⊢ (((𝐷 × { 0 }) supp 0 ) ⊆ ∅ → ((𝐷 × { 0 }) supp 0 ) = ∅)
22	20, 21	syl 17	. . . . 5 ⊢ (𝜑 → ((𝐷 × { 0 }) supp 0 ) = ∅)
23		mplsubglem.0	. . . . 5 ⊢ (𝜑 → ∅ ∈ 𝐴)
24	22, 23	eqeltrd 2831	. . . 4 ⊢ (𝜑 → ((𝐷 × { 0 }) supp 0 ) ∈ 𝐴)
25	1	eleq2d 2817	. . . . 5 ⊢ (𝜑 → ((𝐷 × { 0 }) ∈ 𝑈 ↔ (𝐷 × { 0 }) ∈ {𝑔 ∈ 𝐵 ∣ (𝑔 supp 0 ) ∈ 𝐴}))
26		oveq1 7418	. . . . . . 7 ⊢ (𝑔 = (𝐷 × { 0 }) → (𝑔 supp 0 ) = ((𝐷 × { 0 }) supp 0 ))
27	26	eleq1d 2816	. . . . . 6 ⊢ (𝑔 = (𝐷 × { 0 }) → ((𝑔 supp 0 ) ∈ 𝐴 ↔ ((𝐷 × { 0 }) supp 0 ) ∈ 𝐴))
28	27	elrab 3682	. . . . 5 ⊢ ((𝐷 × { 0 }) ∈ {𝑔 ∈ 𝐵 ∣ (𝑔 supp 0 ) ∈ 𝐴} ↔ ((𝐷 × { 0 }) ∈ 𝐵 ∧ ((𝐷 × { 0 }) supp 0 ) ∈ 𝐴))
29	25, 28	bitrdi 286	. . . 4 ⊢ (𝜑 → ((𝐷 × { 0 }) ∈ 𝑈 ↔ ((𝐷 × { 0 }) ∈ 𝐵 ∧ ((𝐷 × { 0 }) supp 0 ) ∈ 𝐴)))
30	10, 24, 29	mpbir2and 709	. . 3 ⊢ (𝜑 → (𝐷 × { 0 }) ∈ 𝑈)
31	30	ne0d 4334	. 2 ⊢ (𝜑 → 𝑈 ≠ ∅)
32		eqid 2730	. . . . . . 7 ⊢ (+g‘𝑆) = (+g‘𝑆)
33	6	ad2antrr 722	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) → 𝑅 ∈ Grp)
34	1	eleq2d 2817	. . . . . . . . . . 11 ⊢ (𝜑 → (𝑢 ∈ 𝑈 ↔ 𝑢 ∈ {𝑔 ∈ 𝐵 ∣ (𝑔 supp 0 ) ∈ 𝐴}))
35		oveq1 7418	. . . . . . . . . . . . 13 ⊢ (𝑔 = 𝑢 → (𝑔 supp 0 ) = (𝑢 supp 0 ))
36	35	eleq1d 2816	. . . . . . . . . . . 12 ⊢ (𝑔 = 𝑢 → ((𝑔 supp 0 ) ∈ 𝐴 ↔ (𝑢 supp 0 ) ∈ 𝐴))
37	36	elrab 3682	. . . . . . . . . . 11 ⊢ (𝑢 ∈ {𝑔 ∈ 𝐵 ∣ (𝑔 supp 0 ) ∈ 𝐴} ↔ (𝑢 ∈ 𝐵 ∧ (𝑢 supp 0 ) ∈ 𝐴))
38	34, 37	bitrdi 286	. . . . . . . . . 10 ⊢ (𝜑 → (𝑢 ∈ 𝑈 ↔ (𝑢 ∈ 𝐵 ∧ (𝑢 supp 0 ) ∈ 𝐴)))
39	38	biimpa 475	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝑈) → (𝑢 ∈ 𝐵 ∧ (𝑢 supp 0 ) ∈ 𝐴))
40	39	simpld 493	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝑈) → 𝑢 ∈ 𝐵)
41	40	adantr 479	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) → 𝑢 ∈ 𝐵)
42	1	adantr 479	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝑈) → 𝑈 = {𝑔 ∈ 𝐵 ∣ (𝑔 supp 0 ) ∈ 𝐴})
43	42	eleq2d 2817	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝑈) → (𝑣 ∈ 𝑈 ↔ 𝑣 ∈ {𝑔 ∈ 𝐵 ∣ (𝑔 supp 0 ) ∈ 𝐴}))
44		oveq1 7418	. . . . . . . . . . . 12 ⊢ (𝑔 = 𝑣 → (𝑔 supp 0 ) = (𝑣 supp 0 ))
45	44	eleq1d 2816	. . . . . . . . . . 11 ⊢ (𝑔 = 𝑣 → ((𝑔 supp 0 ) ∈ 𝐴 ↔ (𝑣 supp 0 ) ∈ 𝐴))
46	45	elrab 3682	. . . . . . . . . 10 ⊢ (𝑣 ∈ {𝑔 ∈ 𝐵 ∣ (𝑔 supp 0 ) ∈ 𝐴} ↔ (𝑣 ∈ 𝐵 ∧ (𝑣 supp 0 ) ∈ 𝐴))
47	43, 46	bitrdi 286	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝑈) → (𝑣 ∈ 𝑈 ↔ (𝑣 ∈ 𝐵 ∧ (𝑣 supp 0 ) ∈ 𝐴)))
48	47	biimpa 475	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) → (𝑣 ∈ 𝐵 ∧ (𝑣 supp 0 ) ∈ 𝐴))
49	48	simpld 493	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) → 𝑣 ∈ 𝐵)
50	4, 9, 32, 33, 41, 49	psraddcl 21721	. . . . . 6 ⊢ (((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) → (𝑢(+g‘𝑆)𝑣) ∈ 𝐵)
51		ovexd 7446	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) → ((𝑢(+g‘𝑆)𝑣) supp 0 ) ∈ V)
52		sseq2 4007	. . . . . . . . . 10 ⊢ (𝑥 = ((𝑢 supp 0 ) ∪ (𝑣 supp 0 )) → (𝑦 ⊆ 𝑥 ↔ 𝑦 ⊆ ((𝑢 supp 0 ) ∪ (𝑣 supp 0 ))))
53	52	imbi1d 340	. . . . . . . . 9 ⊢ (𝑥 = ((𝑢 supp 0 ) ∪ (𝑣 supp 0 )) → ((𝑦 ⊆ 𝑥 → 𝑦 ∈ 𝐴) ↔ (𝑦 ⊆ ((𝑢 supp 0 ) ∪ (𝑣 supp 0 )) → 𝑦 ∈ 𝐴)))
54	53	albidv 1921	. . . . . . . 8 ⊢ (𝑥 = ((𝑢 supp 0 ) ∪ (𝑣 supp 0 )) → (∀𝑦(𝑦 ⊆ 𝑥 → 𝑦 ∈ 𝐴) ↔ ∀𝑦(𝑦 ⊆ ((𝑢 supp 0 ) ∪ (𝑣 supp 0 )) → 𝑦 ∈ 𝐴)))
55		mplsubglem.y	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐴 ∧ 𝑦 ⊆ 𝑥)) → 𝑦 ∈ 𝐴)
56	55	expr 455	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → (𝑦 ⊆ 𝑥 → 𝑦 ∈ 𝐴))
57	56	alrimiv 1928	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → ∀𝑦(𝑦 ⊆ 𝑥 → 𝑦 ∈ 𝐴))
58	57	ralrimiva 3144	. . . . . . . . 9 ⊢ (𝜑 → ∀𝑥 ∈ 𝐴 ∀𝑦(𝑦 ⊆ 𝑥 → 𝑦 ∈ 𝐴))
59	58	ad2antrr 722	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) → ∀𝑥 ∈ 𝐴 ∀𝑦(𝑦 ⊆ 𝑥 → 𝑦 ∈ 𝐴))
60	39	simprd 494	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝑈) → (𝑢 supp 0 ) ∈ 𝐴)
61	60	adantr 479	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) → (𝑢 supp 0 ) ∈ 𝐴)
62	48	simprd 494	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) → (𝑣 supp 0 ) ∈ 𝐴)
63		mplsubglem.a	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐴)) → (𝑥 ∪ 𝑦) ∈ 𝐴)
64	63	ralrimivva 3198	. . . . . . . . . 10 ⊢ (𝜑 → ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐴 (𝑥 ∪ 𝑦) ∈ 𝐴)
65	64	ad2antrr 722	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) → ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐴 (𝑥 ∪ 𝑦) ∈ 𝐴)
66		uneq1 4155	. . . . . . . . . . 11 ⊢ (𝑥 = (𝑢 supp 0 ) → (𝑥 ∪ 𝑦) = ((𝑢 supp 0 ) ∪ 𝑦))
67	66	eleq1d 2816	. . . . . . . . . 10 ⊢ (𝑥 = (𝑢 supp 0 ) → ((𝑥 ∪ 𝑦) ∈ 𝐴 ↔ ((𝑢 supp 0 ) ∪ 𝑦) ∈ 𝐴))
68		uneq2 4156	. . . . . . . . . . 11 ⊢ (𝑦 = (𝑣 supp 0 ) → ((𝑢 supp 0 ) ∪ 𝑦) = ((𝑢 supp 0 ) ∪ (𝑣 supp 0 )))
69	68	eleq1d 2816	. . . . . . . . . 10 ⊢ (𝑦 = (𝑣 supp 0 ) → (((𝑢 supp 0 ) ∪ 𝑦) ∈ 𝐴 ↔ ((𝑢 supp 0 ) ∪ (𝑣 supp 0 )) ∈ 𝐴))
70	67, 69	rspc2va 3622	. . . . . . . . 9 ⊢ ((((𝑢 supp 0 ) ∈ 𝐴 ∧ (𝑣 supp 0 ) ∈ 𝐴) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐴 (𝑥 ∪ 𝑦) ∈ 𝐴) → ((𝑢 supp 0 ) ∪ (𝑣 supp 0 )) ∈ 𝐴)
71	61, 62, 65, 70	syl21anc 834	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) → ((𝑢 supp 0 ) ∪ (𝑣 supp 0 )) ∈ 𝐴)
72	54, 59, 71	rspcdva 3612	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) → ∀𝑦(𝑦 ⊆ ((𝑢 supp 0 ) ∪ (𝑣 supp 0 )) → 𝑦 ∈ 𝐴))
73	4, 11, 7, 9, 50	psrelbas 21717	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) → (𝑢(+g‘𝑆)𝑣):𝐷⟶(Base‘𝑅))
74		eqid 2730	. . . . . . . . . . . 12 ⊢ (+g‘𝑅) = (+g‘𝑅)
75	4, 9, 74, 32, 41, 49	psradd 21720	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) → (𝑢(+g‘𝑆)𝑣) = (𝑢 ∘f (+g‘𝑅)𝑣))
76	75	fveq1d 6892	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) → ((𝑢(+g‘𝑆)𝑣)‘𝑘) = ((𝑢 ∘f (+g‘𝑅)𝑣)‘𝑘))
77	76	adantr 479	. . . . . . . . 9 ⊢ ((((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) ∧ 𝑘 ∈ (𝐷 ∖ ((𝑢 supp 0 ) ∪ (𝑣 supp 0 )))) → ((𝑢(+g‘𝑆)𝑣)‘𝑘) = ((𝑢 ∘f (+g‘𝑅)𝑣)‘𝑘))
78		eldifi 4125	. . . . . . . . . 10 ⊢ (𝑘 ∈ (𝐷 ∖ ((𝑢 supp 0 ) ∪ (𝑣 supp 0 ))) → 𝑘 ∈ 𝐷)
79	4, 11, 7, 9, 40	psrelbas 21717	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝑈) → 𝑢:𝐷⟶(Base‘𝑅))
80	79	adantr 479	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) → 𝑢:𝐷⟶(Base‘𝑅))
81	80	ffnd 6717	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) → 𝑢 Fn 𝐷)
82	4, 11, 7, 9, 49	psrelbas 21717	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) → 𝑣:𝐷⟶(Base‘𝑅))
83	82	ffnd 6717	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) → 𝑣 Fn 𝐷)
84		ovex 7444	. . . . . . . . . . . . 13 ⊢ (ℕ0 ↑m 𝐼) ∈ V
85	7, 84	rabex2 5333	. . . . . . . . . . . 12 ⊢ 𝐷 ∈ V
86	85	a1i 11	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) → 𝐷 ∈ V)
87		inidm 4217	. . . . . . . . . . 11 ⊢ (𝐷 ∩ 𝐷) = 𝐷
88		eqidd 2731	. . . . . . . . . . 11 ⊢ ((((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) ∧ 𝑘 ∈ 𝐷) → (𝑢‘𝑘) = (𝑢‘𝑘))
89		eqidd 2731	. . . . . . . . . . 11 ⊢ ((((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) ∧ 𝑘 ∈ 𝐷) → (𝑣‘𝑘) = (𝑣‘𝑘))
90	81, 83, 86, 86, 87, 88, 89	ofval 7683	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) ∧ 𝑘 ∈ 𝐷) → ((𝑢 ∘f (+g‘𝑅)𝑣)‘𝑘) = ((𝑢‘𝑘)(+g‘𝑅)(𝑣‘𝑘)))
91	78, 90	sylan2 591	. . . . . . . . 9 ⊢ ((((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) ∧ 𝑘 ∈ (𝐷 ∖ ((𝑢 supp 0 ) ∪ (𝑣 supp 0 )))) → ((𝑢 ∘f (+g‘𝑅)𝑣)‘𝑘) = ((𝑢‘𝑘)(+g‘𝑅)(𝑣‘𝑘)))
92		ssun1 4171	. . . . . . . . . . . . . 14 ⊢ (𝑢 supp 0 ) ⊆ ((𝑢 supp 0 ) ∪ (𝑣 supp 0 ))
93		sscon 4137	. . . . . . . . . . . . . 14 ⊢ ((𝑢 supp 0 ) ⊆ ((𝑢 supp 0 ) ∪ (𝑣 supp 0 )) → (𝐷 ∖ ((𝑢 supp 0 ) ∪ (𝑣 supp 0 ))) ⊆ (𝐷 ∖ (𝑢 supp 0 )))
94	92, 93	ax-mp 5	. . . . . . . . . . . . 13 ⊢ (𝐷 ∖ ((𝑢 supp 0 ) ∪ (𝑣 supp 0 ))) ⊆ (𝐷 ∖ (𝑢 supp 0 ))
95	94	sseli 3977	. . . . . . . . . . . 12 ⊢ (𝑘 ∈ (𝐷 ∖ ((𝑢 supp 0 ) ∪ (𝑣 supp 0 ))) → 𝑘 ∈ (𝐷 ∖ (𝑢 supp 0 )))
96		ssidd 4004	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝑈) → (𝑢 supp 0 ) ⊆ (𝑢 supp 0 ))
97	85	a1i 11	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝑈) → 𝐷 ∈ V)
98	16	a1i 11	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝑈) → 0 ∈ V)
99	79, 96, 97, 98	suppssr 8183	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑘 ∈ (𝐷 ∖ (𝑢 supp 0 ))) → (𝑢‘𝑘) = 0 )
100	99	adantlr 711	. . . . . . . . . . . 12 ⊢ ((((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) ∧ 𝑘 ∈ (𝐷 ∖ (𝑢 supp 0 ))) → (𝑢‘𝑘) = 0 )
101	95, 100	sylan2 591	. . . . . . . . . . 11 ⊢ ((((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) ∧ 𝑘 ∈ (𝐷 ∖ ((𝑢 supp 0 ) ∪ (𝑣 supp 0 )))) → (𝑢‘𝑘) = 0 )
102		ssun2 4172	. . . . . . . . . . . . . 14 ⊢ (𝑣 supp 0 ) ⊆ ((𝑢 supp 0 ) ∪ (𝑣 supp 0 ))
103		sscon 4137	. . . . . . . . . . . . . 14 ⊢ ((𝑣 supp 0 ) ⊆ ((𝑢 supp 0 ) ∪ (𝑣 supp 0 )) → (𝐷 ∖ ((𝑢 supp 0 ) ∪ (𝑣 supp 0 ))) ⊆ (𝐷 ∖ (𝑣 supp 0 )))
104	102, 103	ax-mp 5	. . . . . . . . . . . . 13 ⊢ (𝐷 ∖ ((𝑢 supp 0 ) ∪ (𝑣 supp 0 ))) ⊆ (𝐷 ∖ (𝑣 supp 0 ))
105	104	sseli 3977	. . . . . . . . . . . 12 ⊢ (𝑘 ∈ (𝐷 ∖ ((𝑢 supp 0 ) ∪ (𝑣 supp 0 ))) → 𝑘 ∈ (𝐷 ∖ (𝑣 supp 0 )))
106		ssidd 4004	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) → (𝑣 supp 0 ) ⊆ (𝑣 supp 0 ))
107	16	a1i 11	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) → 0 ∈ V)
108	82, 106, 86, 107	suppssr 8183	. . . . . . . . . . . 12 ⊢ ((((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) ∧ 𝑘 ∈ (𝐷 ∖ (𝑣 supp 0 ))) → (𝑣‘𝑘) = 0 )
109	105, 108	sylan2 591	. . . . . . . . . . 11 ⊢ ((((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) ∧ 𝑘 ∈ (𝐷 ∖ ((𝑢 supp 0 ) ∪ (𝑣 supp 0 )))) → (𝑣‘𝑘) = 0 )
110	101, 109	oveq12d 7429	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) ∧ 𝑘 ∈ (𝐷 ∖ ((𝑢 supp 0 ) ∪ (𝑣 supp 0 )))) → ((𝑢‘𝑘)(+g‘𝑅)(𝑣‘𝑘)) = ( 0 (+g‘𝑅) 0 ))
111	11, 74, 8	grplid 18888	. . . . . . . . . . . 12 ⊢ ((𝑅 ∈ Grp ∧ 0 ∈ (Base‘𝑅)) → ( 0 (+g‘𝑅) 0 ) = 0 )
112	33, 12, 111	syl2anc2 583	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) → ( 0 (+g‘𝑅) 0 ) = 0 )
113	112	adantr 479	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) ∧ 𝑘 ∈ (𝐷 ∖ ((𝑢 supp 0 ) ∪ (𝑣 supp 0 )))) → ( 0 (+g‘𝑅) 0 ) = 0 )
114	110, 113	eqtrd 2770	. . . . . . . . 9 ⊢ ((((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) ∧ 𝑘 ∈ (𝐷 ∖ ((𝑢 supp 0 ) ∪ (𝑣 supp 0 )))) → ((𝑢‘𝑘)(+g‘𝑅)(𝑣‘𝑘)) = 0 )
115	77, 91, 114	3eqtrd 2774	. . . . . . . 8 ⊢ ((((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) ∧ 𝑘 ∈ (𝐷 ∖ ((𝑢 supp 0 ) ∪ (𝑣 supp 0 )))) → ((𝑢(+g‘𝑆)𝑣)‘𝑘) = 0 )
116	73, 115	suppss 8181	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) → ((𝑢(+g‘𝑆)𝑣) supp 0 ) ⊆ ((𝑢 supp 0 ) ∪ (𝑣 supp 0 )))
117		sseq1 4006	. . . . . . . . 9 ⊢ (𝑦 = ((𝑢(+g‘𝑆)𝑣) supp 0 ) → (𝑦 ⊆ ((𝑢 supp 0 ) ∪ (𝑣 supp 0 )) ↔ ((𝑢(+g‘𝑆)𝑣) supp 0 ) ⊆ ((𝑢 supp 0 ) ∪ (𝑣 supp 0 ))))
118		eleq1 2819	. . . . . . . . 9 ⊢ (𝑦 = ((𝑢(+g‘𝑆)𝑣) supp 0 ) → (𝑦 ∈ 𝐴 ↔ ((𝑢(+g‘𝑆)𝑣) supp 0 ) ∈ 𝐴))
119	117, 118	imbi12d 343	. . . . . . . 8 ⊢ (𝑦 = ((𝑢(+g‘𝑆)𝑣) supp 0 ) → ((𝑦 ⊆ ((𝑢 supp 0 ) ∪ (𝑣 supp 0 )) → 𝑦 ∈ 𝐴) ↔ (((𝑢(+g‘𝑆)𝑣) supp 0 ) ⊆ ((𝑢 supp 0 ) ∪ (𝑣 supp 0 )) → ((𝑢(+g‘𝑆)𝑣) supp 0 ) ∈ 𝐴)))
120	119	spcgv 3585	. . . . . . 7 ⊢ (((𝑢(+g‘𝑆)𝑣) supp 0 ) ∈ V → (∀𝑦(𝑦 ⊆ ((𝑢 supp 0 ) ∪ (𝑣 supp 0 )) → 𝑦 ∈ 𝐴) → (((𝑢(+g‘𝑆)𝑣) supp 0 ) ⊆ ((𝑢 supp 0 ) ∪ (𝑣 supp 0 )) → ((𝑢(+g‘𝑆)𝑣) supp 0 ) ∈ 𝐴)))
121	51, 72, 116, 120	syl3c 66	. . . . . 6 ⊢ (((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) → ((𝑢(+g‘𝑆)𝑣) supp 0 ) ∈ 𝐴)
122	1	ad2antrr 722	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) → 𝑈 = {𝑔 ∈ 𝐵 ∣ (𝑔 supp 0 ) ∈ 𝐴})
123	122	eleq2d 2817	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) → ((𝑢(+g‘𝑆)𝑣) ∈ 𝑈 ↔ (𝑢(+g‘𝑆)𝑣) ∈ {𝑔 ∈ 𝐵 ∣ (𝑔 supp 0 ) ∈ 𝐴}))
124		oveq1 7418	. . . . . . . . 9 ⊢ (𝑔 = (𝑢(+g‘𝑆)𝑣) → (𝑔 supp 0 ) = ((𝑢(+g‘𝑆)𝑣) supp 0 ))
125	124	eleq1d 2816	. . . . . . . 8 ⊢ (𝑔 = (𝑢(+g‘𝑆)𝑣) → ((𝑔 supp 0 ) ∈ 𝐴 ↔ ((𝑢(+g‘𝑆)𝑣) supp 0 ) ∈ 𝐴))
126	125	elrab 3682	. . . . . . 7 ⊢ ((𝑢(+g‘𝑆)𝑣) ∈ {𝑔 ∈ 𝐵 ∣ (𝑔 supp 0 ) ∈ 𝐴} ↔ ((𝑢(+g‘𝑆)𝑣) ∈ 𝐵 ∧ ((𝑢(+g‘𝑆)𝑣) supp 0 ) ∈ 𝐴))
127	123, 126	bitrdi 286	. . . . . 6 ⊢ (((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) → ((𝑢(+g‘𝑆)𝑣) ∈ 𝑈 ↔ ((𝑢(+g‘𝑆)𝑣) ∈ 𝐵 ∧ ((𝑢(+g‘𝑆)𝑣) supp 0 ) ∈ 𝐴)))
128	50, 121, 127	mpbir2and 709	. . . . 5 ⊢ (((𝜑 ∧ 𝑢 ∈ 𝑈) ∧ 𝑣 ∈ 𝑈) → (𝑢(+g‘𝑆)𝑣) ∈ 𝑈)
129	128	ralrimiva 3144	. . . 4 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝑈) → ∀𝑣 ∈ 𝑈 (𝑢(+g‘𝑆)𝑣) ∈ 𝑈)
130	4, 5, 6	psrgrp 21736	. . . . . 6 ⊢ (𝜑 → 𝑆 ∈ Grp)
131		eqid 2730	. . . . . . 7 ⊢ (invg‘𝑆) = (invg‘𝑆)
132	9, 131	grpinvcl 18908	. . . . . 6 ⊢ ((𝑆 ∈ Grp ∧ 𝑢 ∈ 𝐵) → ((invg‘𝑆)‘𝑢) ∈ 𝐵)
133	130, 40, 132	syl2an2r 681	. . . . 5 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝑈) → ((invg‘𝑆)‘𝑢) ∈ 𝐵)
134		ovexd 7446	. . . . . 6 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝑈) → (((invg‘𝑆)‘𝑢) supp 0 ) ∈ V)
135		sseq2 4007	. . . . . . . . 9 ⊢ (𝑥 = (𝑢 supp 0 ) → (𝑦 ⊆ 𝑥 ↔ 𝑦 ⊆ (𝑢 supp 0 )))
136	135	imbi1d 340	. . . . . . . 8 ⊢ (𝑥 = (𝑢 supp 0 ) → ((𝑦 ⊆ 𝑥 → 𝑦 ∈ 𝐴) ↔ (𝑦 ⊆ (𝑢 supp 0 ) → 𝑦 ∈ 𝐴)))
137	136	albidv 1921	. . . . . . 7 ⊢ (𝑥 = (𝑢 supp 0 ) → (∀𝑦(𝑦 ⊆ 𝑥 → 𝑦 ∈ 𝐴) ↔ ∀𝑦(𝑦 ⊆ (𝑢 supp 0 ) → 𝑦 ∈ 𝐴)))
138	58	adantr 479	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝑈) → ∀𝑥 ∈ 𝐴 ∀𝑦(𝑦 ⊆ 𝑥 → 𝑦 ∈ 𝐴))
139	137, 138, 60	rspcdva 3612	. . . . . 6 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝑈) → ∀𝑦(𝑦 ⊆ (𝑢 supp 0 ) → 𝑦 ∈ 𝐴))
140	5	adantr 479	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝑈) → 𝐼 ∈ 𝑊)
141	6	adantr 479	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝑈) → 𝑅 ∈ Grp)
142		eqid 2730	. . . . . . . . 9 ⊢ (invg‘𝑅) = (invg‘𝑅)
143	4, 140, 141, 7, 142, 9, 131, 40	psrneg 21739	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝑈) → ((invg‘𝑆)‘𝑢) = ((invg‘𝑅) ∘ 𝑢))
144	143	oveq1d 7426	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝑈) → (((invg‘𝑆)‘𝑢) supp 0 ) = (((invg‘𝑅) ∘ 𝑢) supp 0 ))
145	11, 142	grpinvfn 18902	. . . . . . . . 9 ⊢ (invg‘𝑅) Fn (Base‘𝑅)
146	145	a1i 11	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝑈) → (invg‘𝑅) Fn (Base‘𝑅))
147	8, 142	grpinvid 18920	. . . . . . . . 9 ⊢ (𝑅 ∈ Grp → ((invg‘𝑅)‘ 0 ) = 0 )
148	141, 147	syl 17	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝑈) → ((invg‘𝑅)‘ 0 ) = 0 )
149	146, 79, 97, 98, 148	suppcoss 8194	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝑈) → (((invg‘𝑅) ∘ 𝑢) supp 0 ) ⊆ (𝑢 supp 0 ))
150	144, 149	eqsstrd 4019	. . . . . 6 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝑈) → (((invg‘𝑆)‘𝑢) supp 0 ) ⊆ (𝑢 supp 0 ))
151		sseq1 4006	. . . . . . . 8 ⊢ (𝑦 = (((invg‘𝑆)‘𝑢) supp 0 ) → (𝑦 ⊆ (𝑢 supp 0 ) ↔ (((invg‘𝑆)‘𝑢) supp 0 ) ⊆ (𝑢 supp 0 )))
152		eleq1 2819	. . . . . . . 8 ⊢ (𝑦 = (((invg‘𝑆)‘𝑢) supp 0 ) → (𝑦 ∈ 𝐴 ↔ (((invg‘𝑆)‘𝑢) supp 0 ) ∈ 𝐴))
153	151, 152	imbi12d 343	. . . . . . 7 ⊢ (𝑦 = (((invg‘𝑆)‘𝑢) supp 0 ) → ((𝑦 ⊆ (𝑢 supp 0 ) → 𝑦 ∈ 𝐴) ↔ ((((invg‘𝑆)‘𝑢) supp 0 ) ⊆ (𝑢 supp 0 ) → (((invg‘𝑆)‘𝑢) supp 0 ) ∈ 𝐴)))
154	153	spcgv 3585	. . . . . 6 ⊢ ((((invg‘𝑆)‘𝑢) supp 0 ) ∈ V → (∀𝑦(𝑦 ⊆ (𝑢 supp 0 ) → 𝑦 ∈ 𝐴) → ((((invg‘𝑆)‘𝑢) supp 0 ) ⊆ (𝑢 supp 0 ) → (((invg‘𝑆)‘𝑢) supp 0 ) ∈ 𝐴)))
155	134, 139, 150, 154	syl3c 66	. . . . 5 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝑈) → (((invg‘𝑆)‘𝑢) supp 0 ) ∈ 𝐴)
156	42	eleq2d 2817	. . . . . 6 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝑈) → (((invg‘𝑆)‘𝑢) ∈ 𝑈 ↔ ((invg‘𝑆)‘𝑢) ∈ {𝑔 ∈ 𝐵 ∣ (𝑔 supp 0 ) ∈ 𝐴}))
157		oveq1 7418	. . . . . . . 8 ⊢ (𝑔 = ((invg‘𝑆)‘𝑢) → (𝑔 supp 0 ) = (((invg‘𝑆)‘𝑢) supp 0 ))
158	157	eleq1d 2816	. . . . . . 7 ⊢ (𝑔 = ((invg‘𝑆)‘𝑢) → ((𝑔 supp 0 ) ∈ 𝐴 ↔ (((invg‘𝑆)‘𝑢) supp 0 ) ∈ 𝐴))
159	158	elrab 3682	. . . . . 6 ⊢ (((invg‘𝑆)‘𝑢) ∈ {𝑔 ∈ 𝐵 ∣ (𝑔 supp 0 ) ∈ 𝐴} ↔ (((invg‘𝑆)‘𝑢) ∈ 𝐵 ∧ (((invg‘𝑆)‘𝑢) supp 0 ) ∈ 𝐴))
160	156, 159	bitrdi 286	. . . . 5 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝑈) → (((invg‘𝑆)‘𝑢) ∈ 𝑈 ↔ (((invg‘𝑆)‘𝑢) ∈ 𝐵 ∧ (((invg‘𝑆)‘𝑢) supp 0 ) ∈ 𝐴)))
161	133, 155, 160	mpbir2and 709	. . . 4 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝑈) → ((invg‘𝑆)‘𝑢) ∈ 𝑈)
162	129, 161	jca 510	. . 3 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝑈) → (∀𝑣 ∈ 𝑈 (𝑢(+g‘𝑆)𝑣) ∈ 𝑈 ∧ ((invg‘𝑆)‘𝑢) ∈ 𝑈))
163	162	ralrimiva 3144	. 2 ⊢ (𝜑 → ∀𝑢 ∈ 𝑈 (∀𝑣 ∈ 𝑈 (𝑢(+g‘𝑆)𝑣) ∈ 𝑈 ∧ ((invg‘𝑆)‘𝑢) ∈ 𝑈))
164	9, 32, 131	issubg2 19057	. . 3 ⊢ (𝑆 ∈ Grp → (𝑈 ∈ (SubGrp‘𝑆) ↔ (𝑈 ⊆ 𝐵 ∧ 𝑈 ≠ ∅ ∧ ∀𝑢 ∈ 𝑈 (∀𝑣 ∈ 𝑈 (𝑢(+g‘𝑆)𝑣) ∈ 𝑈 ∧ ((invg‘𝑆)‘𝑢) ∈ 𝑈))))
165	130, 164	syl 17	. 2 ⊢ (𝜑 → (𝑈 ∈ (SubGrp‘𝑆) ↔ (𝑈 ⊆ 𝐵 ∧ 𝑈 ≠ ∅ ∧ ∀𝑢 ∈ 𝑈 (∀𝑣 ∈ 𝑈 (𝑢(+g‘𝑆)𝑣) ∈ 𝑈 ∧ ((invg‘𝑆)‘𝑢) ∈ 𝑈))))
166	3, 31, 163, 165	mpbir3and 1340	1 ⊢ (𝜑 → 𝑈 ∈ (SubGrp‘𝑆))

Syntax hints:   → wi 4   ↔ wb 205   ∧ wa 394   ∧ w3a 1085  ∀wal 1537   = wceq 1539   ∈ wcel 2104   ≠ wne 2938  ∀wral 3059  {crab 3430  Vcvv 3472   ∖ cdif 3944   ∪ cun 3945   ⊆ wss 3947  ∅c0 4321  {csn 4627   × cxp 5673  ^◡ccnv 5674   “ cima 5678   ∘ ccom 5679   Fn wfn 6537  ⟶wf 6538  ‘cfv 6542  (class class class)co 7411   ∘_f cof 7670   supp csupp 8148   ↑_m cmap 8822  Fincfn 8941  ℕcn 12216  ℕ₀cn0 12476  Basecbs 17148  +_gcplusg 17201  0_gc0g 17389  Grpcgrp 18855  inv_gcminusg 18856  SubGrpcsubg 19036   mPwSer cmps 21676

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 1911  ax-6 1969  ax-7 2009  ax-8 2106  ax-9 2114  ax-10 2135  ax-11 2152  ax-12 2169  ax-ext 2701  ax-rep 5284  ax-sep 5298  ax-nul 5305  ax-pow 5362  ax-pr 5426  ax-un 7727  ax-cnex 11168  ax-resscn 11169  ax-1cn 11170  ax-icn 11171  ax-addcl 11172  ax-addrcl 11173  ax-mulcl 11174  ax-mulrcl 11175  ax-mulcom 11176  ax-addass 11177  ax-mulass 11178  ax-distr 11179  ax-i2m1 11180  ax-1ne0 11181  ax-1rid 11182  ax-rnegex 11183  ax-rrecex 11184  ax-cnre 11185  ax-pre-lttri 11186  ax-pre-lttrn 11187  ax-pre-ltadd 11188  ax-pre-mulgt0 11189

This theorem depends on definitions:  df-bi 206  df-an 395  df-or 844  df-3or 1086  df-3an 1087  df-tru 1542  df-fal 1552  df-ex 1780  df-nf 1784  df-sb 2066  df-mo 2532  df-eu 2561  df-clab 2708  df-cleq 2722  df-clel 2808  df-nfc 2883  df-ne 2939  df-nel 3045  df-ral 3060  df-rex 3069  df-rmo 3374  df-reu 3375  df-rab 3431  df-v 3474  df-sbc 3777  df-csb 3893  df-dif 3950  df-un 3952  df-in 3954  df-ss 3964  df-pss 3966  df-nul 4322  df-if 4528  df-pw 4603  df-sn 4628  df-pr 4630  df-tp 4632  df-op 4634  df-uni 4908  df-iun 4998  df-br 5148  df-opab 5210  df-mpt 5231  df-tr 5265  df-id 5573  df-eprel 5579  df-po 5587  df-so 5588  df-fr 5630  df-we 5632  df-xp 5681  df-rel 5682  df-cnv 5683  df-co 5684  df-dm 5685  df-rn 5686  df-res 5687  df-ima 5688  df-pred 6299  df-ord 6366  df-on 6367  df-lim 6368  df-suc 6369  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 7367  df-ov 7414  df-oprab 7415  df-mpo 7416  df-of 7672  df-om 7858  df-1st 7977  df-2nd 7978  df-supp 8149  df-frecs 8268  df-wrecs 8299  df-recs 8373  df-rdg 8412  df-1o 8468  df-er 8705  df-map 8824  df-ixp 8894  df-en 8942  df-dom 8943  df-sdom 8944  df-fin 8945  df-fsupp 9364  df-sup 9439  df-pnf 11254  df-mnf 11255  df-xr 11256  df-ltxr 11257  df-le 11258  df-sub 11450  df-neg 11451  df-nn 12217  df-2 12279  df-3 12280  df-4 12281  df-5 12282  df-6 12283  df-7 12284  df-8 12285  df-9 12286  df-n0 12477  df-z 12563  df-dec 12682  df-uz 12827  df-fz 13489  df-struct 17084  df-sets 17101  df-slot 17119  df-ndx 17131  df-base 17149  df-ress 17178  df-plusg 17214  df-mulr 17215  df-sca 17217  df-vsca 17218  df-ip 17219  df-tset 17220  df-ple 17221  df-ds 17223  df-hom 17225  df-cco 17226  df-0g 17391  df-prds 17397  df-pws 17399  df-mgm 18565  df-sgrp 18644  df-mnd 18660  df-grp 18858  df-minusg 18859  df-subg 19039  df-psr 21681

This theorem is referenced by:  mpllsslem  21778  mplsubg  21780