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Theorem yonedalem3a 18251

Description: Lemma for yoneda 18260. (Contributed by Mario Carneiro, 29-Jan-2017.)

**Hypotheses**
Ref	Expression
yoneda.y	⊢ 𝑌 = (Yon‘𝐶)
yoneda.b	⊢ 𝐵 = (Base‘𝐶)
yoneda.1	⊢ 1 = (Id‘𝐶)
yoneda.o	⊢ 𝑂 = (oppCat‘𝐶)
yoneda.s	⊢ 𝑆 = (SetCat‘𝑈)
yoneda.t	⊢ 𝑇 = (SetCat‘𝑉)
yoneda.q	⊢ 𝑄 = (𝑂 FuncCat 𝑆)
yoneda.h	⊢ 𝐻 = (Hom_F‘𝑄)
yoneda.r	⊢ 𝑅 = ((𝑄 ×_c 𝑂) FuncCat 𝑇)
yoneda.e	⊢ 𝐸 = (𝑂 eval_F 𝑆)
yoneda.z	⊢ 𝑍 = (𝐻 ∘_func ((⟨(1^st ‘𝑌), tpos (2^nd ‘𝑌)⟩ ∘_func (𝑄 2^nd_F 𝑂)) ⟨,⟩_F (𝑄 1^st_F 𝑂)))
yoneda.c	⊢ (𝜑 → 𝐶 ∈ Cat)
yoneda.w	⊢ (𝜑 → 𝑉 ∈ 𝑊)
yoneda.u	⊢ (𝜑 → ran (Hom_f ‘𝐶) ⊆ 𝑈)
yoneda.v	⊢ (𝜑 → (ran (Hom_f ‘𝑄) ∪ 𝑈) ⊆ 𝑉)
yonedalem21.f	⊢ (𝜑 → 𝐹 ∈ (𝑂 Func 𝑆))
yonedalem21.x	⊢ (𝜑 → 𝑋 ∈ 𝐵)
yonedalem3a.m	⊢ 𝑀 = (𝑓 ∈ (𝑂 Func 𝑆), 𝑥 ∈ 𝐵 ↦ (𝑎 ∈ (((1^st ‘𝑌)‘𝑥)(𝑂 Nat 𝑆)𝑓) ↦ ((𝑎‘𝑥)‘( 1 ‘𝑥))))

**Assertion**
Ref	Expression
yonedalem3a	⊢ (𝜑 → ((𝐹𝑀𝑋) = (𝑎 ∈ (((1^st ‘𝑌)‘𝑋)(𝑂 Nat 𝑆)𝐹) ↦ ((𝑎‘𝑋)‘( 1 ‘𝑋))) ∧ (𝐹𝑀𝑋):(𝐹(1^st ‘𝑍)𝑋)⟶(𝐹(1^st ‘𝐸)𝑋)))

Distinct variable groups: 𝑓,𝑎,𝑥, 1 𝐶,𝑎,𝑓,𝑥 𝐸,𝑎,𝑓 𝐹,𝑎,𝑓,𝑥 𝐵,𝑎,𝑓,𝑥 𝑂,𝑎,𝑓,𝑥 𝑆,𝑎,𝑓,𝑥 𝑄,𝑎,𝑓,𝑥 𝑇,𝑓 𝜑,𝑎,𝑓,𝑥 𝑌,𝑎,𝑓,𝑥 𝑍,𝑎,𝑓,𝑥 𝑋,𝑎,𝑓,𝑥 Allowed substitution hints: 𝑅(𝑥,𝑓,𝑎) 𝑇(𝑥,𝑎) 𝑈(𝑥,𝑓,𝑎) 𝐸(𝑥) 𝐻(𝑥,𝑓,𝑎) 𝑀(𝑥,𝑓,𝑎) 𝑉(𝑥,𝑓,𝑎) 𝑊(𝑥,𝑓,𝑎)

**Proof of Theorem yonedalem3a**
Step	Hyp	Ref	Expression
1		yonedalem21.f	. . 3 ⊢ (𝜑 → 𝐹 ∈ (𝑂 Func 𝑆))
2		yonedalem21.x	. . 3 ⊢ (𝜑 → 𝑋 ∈ 𝐵)
3		simpr 484	. . . . . . 7 ⊢ ((𝑓 = 𝐹 ∧ 𝑥 = 𝑋) → 𝑥 = 𝑋)
4	3	fveq2d 6895	. . . . . 6 ⊢ ((𝑓 = 𝐹 ∧ 𝑥 = 𝑋) → ((1^st ‘𝑌)‘𝑥) = ((1^st ‘𝑌)‘𝑋))
5		simpl 482	. . . . . 6 ⊢ ((𝑓 = 𝐹 ∧ 𝑥 = 𝑋) → 𝑓 = 𝐹)
6	4, 5	oveq12d 7432	. . . . 5 ⊢ ((𝑓 = 𝐹 ∧ 𝑥 = 𝑋) → (((1^st ‘𝑌)‘𝑥)(𝑂 Nat 𝑆)𝑓) = (((1^st ‘𝑌)‘𝑋)(𝑂 Nat 𝑆)𝐹))
7	3	fveq2d 6895	. . . . . 6 ⊢ ((𝑓 = 𝐹 ∧ 𝑥 = 𝑋) → (𝑎‘𝑥) = (𝑎‘𝑋))
8	3	fveq2d 6895	. . . . . 6 ⊢ ((𝑓 = 𝐹 ∧ 𝑥 = 𝑋) → ( 1 ‘𝑥) = ( 1 ‘𝑋))
9	7, 8	fveq12d 6898	. . . . 5 ⊢ ((𝑓 = 𝐹 ∧ 𝑥 = 𝑋) → ((𝑎‘𝑥)‘( 1 ‘𝑥)) = ((𝑎‘𝑋)‘( 1 ‘𝑋)))
10	6, 9	mpteq12dv 5233	. . . 4 ⊢ ((𝑓 = 𝐹 ∧ 𝑥 = 𝑋) → (𝑎 ∈ (((1^st ‘𝑌)‘𝑥)(𝑂 Nat 𝑆)𝑓) ↦ ((𝑎‘𝑥)‘( 1 ‘𝑥))) = (𝑎 ∈ (((1^st ‘𝑌)‘𝑋)(𝑂 Nat 𝑆)𝐹) ↦ ((𝑎‘𝑋)‘( 1 ‘𝑋))))
11		yonedalem3a.m	. . . 4 ⊢ 𝑀 = (𝑓 ∈ (𝑂 Func 𝑆), 𝑥 ∈ 𝐵 ↦ (𝑎 ∈ (((1^st ‘𝑌)‘𝑥)(𝑂 Nat 𝑆)𝑓) ↦ ((𝑎‘𝑥)‘( 1 ‘𝑥))))
12		ovex 7447	. . . . 5 ⊢ (((1^st ‘𝑌)‘𝑋)(𝑂 Nat 𝑆)𝐹) ∈ V
13	12	mptex 7229	. . . 4 ⊢ (𝑎 ∈ (((1^st ‘𝑌)‘𝑋)(𝑂 Nat 𝑆)𝐹) ↦ ((𝑎‘𝑋)‘( 1 ‘𝑋))) ∈ V
14	10, 11, 13	ovmpoa 7568	. . 3 ⊢ ((𝐹 ∈ (𝑂 Func 𝑆) ∧ 𝑋 ∈ 𝐵) → (𝐹𝑀𝑋) = (𝑎 ∈ (((1^st ‘𝑌)‘𝑋)(𝑂 Nat 𝑆)𝐹) ↦ ((𝑎‘𝑋)‘( 1 ‘𝑋))))
15	1, 2, 14	syl2anc 583	. 2 ⊢ (𝜑 → (𝐹𝑀𝑋) = (𝑎 ∈ (((1^st ‘𝑌)‘𝑋)(𝑂 Nat 𝑆)𝐹) ↦ ((𝑎‘𝑋)‘( 1 ‘𝑋))))
16		eqid 2727	. . . . . . 7 ⊢ (𝑂 Nat 𝑆) = (𝑂 Nat 𝑆)
17		simpr 484	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑎 ∈ (((1^st ‘𝑌)‘𝑋)(𝑂 Nat 𝑆)𝐹)) → 𝑎 ∈ (((1^st ‘𝑌)‘𝑋)(𝑂 Nat 𝑆)𝐹))
18	16, 17	nat1st2nd 17926	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑎 ∈ (((1^st ‘𝑌)‘𝑋)(𝑂 Nat 𝑆)𝐹)) → 𝑎 ∈ (⟨(1^st ‘((1^st ‘𝑌)‘𝑋)), (2^nd ‘((1^st ‘𝑌)‘𝑋))⟩(𝑂 Nat 𝑆)⟨(1^st ‘𝐹), (2^nd ‘𝐹)⟩))
19		yoneda.o	. . . . . . . 8 ⊢ 𝑂 = (oppCat‘𝐶)
20		yoneda.b	. . . . . . . 8 ⊢ 𝐵 = (Base‘𝐶)
21	19, 20	oppcbas 17684	. . . . . . 7 ⊢ 𝐵 = (Base‘𝑂)
22		eqid 2727	. . . . . . 7 ⊢ (Hom ‘𝑆) = (Hom ‘𝑆)
23	2	adantr 480	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑎 ∈ (((1^st ‘𝑌)‘𝑋)(𝑂 Nat 𝑆)𝐹)) → 𝑋 ∈ 𝐵)
24	16, 18, 21, 22, 23	natcl 17928	. . . . . 6 ⊢ ((𝜑 ∧ 𝑎 ∈ (((1^st ‘𝑌)‘𝑋)(𝑂 Nat 𝑆)𝐹)) → (𝑎‘𝑋) ∈ (((1^st ‘((1^st ‘𝑌)‘𝑋))‘𝑋)(Hom ‘𝑆)((1^st ‘𝐹)‘𝑋)))
25		yoneda.s	. . . . . . 7 ⊢ 𝑆 = (SetCat‘𝑈)
26		yoneda.w	. . . . . . . . 9 ⊢ (𝜑 → 𝑉 ∈ 𝑊)
27		yoneda.v	. . . . . . . . . 10 ⊢ (𝜑 → (ran (Hom_f ‘𝑄) ∪ 𝑈) ⊆ 𝑉)
28	27	unssbd 4184	. . . . . . . . 9 ⊢ (𝜑 → 𝑈 ⊆ 𝑉)
29	26, 28	ssexd 5318	. . . . . . . 8 ⊢ (𝜑 → 𝑈 ∈ V)
30	29	adantr 480	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑎 ∈ (((1^st ‘𝑌)‘𝑋)(𝑂 Nat 𝑆)𝐹)) → 𝑈 ∈ V)
31		eqid 2727	. . . . . . . . . . 11 ⊢ (Base‘𝑆) = (Base‘𝑆)
32		relfunc 17833	. . . . . . . . . . . 12 ⊢ Rel (𝑂 Func 𝑆)
33		yoneda.y	. . . . . . . . . . . . 13 ⊢ 𝑌 = (Yon‘𝐶)
34		yoneda.c	. . . . . . . . . . . . 13 ⊢ (𝜑 → 𝐶 ∈ Cat)
35		yoneda.u	. . . . . . . . . . . . 13 ⊢ (𝜑 → ran (Hom_f ‘𝐶) ⊆ 𝑈)
36	33, 20, 34, 2, 19, 25, 29, 35	yon1cl 18240	. . . . . . . . . . . 12 ⊢ (𝜑 → ((1^st ‘𝑌)‘𝑋) ∈ (𝑂 Func 𝑆))
37		1st2ndbr 8038	. . . . . . . . . . . 12 ⊢ ((Rel (𝑂 Func 𝑆) ∧ ((1^st ‘𝑌)‘𝑋) ∈ (𝑂 Func 𝑆)) → (1^st ‘((1^st ‘𝑌)‘𝑋))(𝑂 Func 𝑆)(2^nd ‘((1^st ‘𝑌)‘𝑋)))
38	32, 36, 37	sylancr 586	. . . . . . . . . . 11 ⊢ (𝜑 → (1^st ‘((1^st ‘𝑌)‘𝑋))(𝑂 Func 𝑆)(2^nd ‘((1^st ‘𝑌)‘𝑋)))
39	21, 31, 38	funcf1 17837	. . . . . . . . . 10 ⊢ (𝜑 → (1^st ‘((1^st ‘𝑌)‘𝑋)):𝐵⟶(Base‘𝑆))
40	39, 2	ffvelcdmd 7089	. . . . . . . . 9 ⊢ (𝜑 → ((1^st ‘((1^st ‘𝑌)‘𝑋))‘𝑋) ∈ (Base‘𝑆))
41	25, 29	setcbas 18052	. . . . . . . . 9 ⊢ (𝜑 → 𝑈 = (Base‘𝑆))
42	40, 41	eleqtrrd 2831	. . . . . . . 8 ⊢ (𝜑 → ((1^st ‘((1^st ‘𝑌)‘𝑋))‘𝑋) ∈ 𝑈)
43	42	adantr 480	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑎 ∈ (((1^st ‘𝑌)‘𝑋)(𝑂 Nat 𝑆)𝐹)) → ((1^st ‘((1^st ‘𝑌)‘𝑋))‘𝑋) ∈ 𝑈)
44		1st2ndbr 8038	. . . . . . . . . . . 12 ⊢ ((Rel (𝑂 Func 𝑆) ∧ 𝐹 ∈ (𝑂 Func 𝑆)) → (1^st ‘𝐹)(𝑂 Func 𝑆)(2^nd ‘𝐹))
45	32, 1, 44	sylancr 586	. . . . . . . . . . 11 ⊢ (𝜑 → (1^st ‘𝐹)(𝑂 Func 𝑆)(2^nd ‘𝐹))
46	21, 31, 45	funcf1 17837	. . . . . . . . . 10 ⊢ (𝜑 → (1^st ‘𝐹):𝐵⟶(Base‘𝑆))
47	46, 2	ffvelcdmd 7089	. . . . . . . . 9 ⊢ (𝜑 → ((1^st ‘𝐹)‘𝑋) ∈ (Base‘𝑆))
48	47, 41	eleqtrrd 2831	. . . . . . . 8 ⊢ (𝜑 → ((1^st ‘𝐹)‘𝑋) ∈ 𝑈)
49	48	adantr 480	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑎 ∈ (((1^st ‘𝑌)‘𝑋)(𝑂 Nat 𝑆)𝐹)) → ((1^st ‘𝐹)‘𝑋) ∈ 𝑈)
50	25, 30, 22, 43, 49	elsetchom 18055	. . . . . 6 ⊢ ((𝜑 ∧ 𝑎 ∈ (((1^st ‘𝑌)‘𝑋)(𝑂 Nat 𝑆)𝐹)) → ((𝑎‘𝑋) ∈ (((1^st ‘((1^st ‘𝑌)‘𝑋))‘𝑋)(Hom ‘𝑆)((1^st ‘𝐹)‘𝑋)) ↔ (𝑎‘𝑋):((1^st ‘((1^st ‘𝑌)‘𝑋))‘𝑋)⟶((1^st ‘𝐹)‘𝑋)))
51	24, 50	mpbid 231	. . . . 5 ⊢ ((𝜑 ∧ 𝑎 ∈ (((1^st ‘𝑌)‘𝑋)(𝑂 Nat 𝑆)𝐹)) → (𝑎‘𝑋):((1^st ‘((1^st ‘𝑌)‘𝑋))‘𝑋)⟶((1^st ‘𝐹)‘𝑋))
52		eqid 2727	. . . . . . . 8 ⊢ (Hom ‘𝐶) = (Hom ‘𝐶)
53		yoneda.1	. . . . . . . 8 ⊢ 1 = (Id‘𝐶)
54	20, 52, 53, 34, 2	catidcl 17647	. . . . . . 7 ⊢ (𝜑 → ( 1 ‘𝑋) ∈ (𝑋(Hom ‘𝐶)𝑋))
55	33, 20, 34, 2, 52, 2	yon11 18241	. . . . . . 7 ⊢ (𝜑 → ((1^st ‘((1^st ‘𝑌)‘𝑋))‘𝑋) = (𝑋(Hom ‘𝐶)𝑋))
56	54, 55	eleqtrrd 2831	. . . . . 6 ⊢ (𝜑 → ( 1 ‘𝑋) ∈ ((1^st ‘((1^st ‘𝑌)‘𝑋))‘𝑋))
57	56	adantr 480	. . . . 5 ⊢ ((𝜑 ∧ 𝑎 ∈ (((1^st ‘𝑌)‘𝑋)(𝑂 Nat 𝑆)𝐹)) → ( 1 ‘𝑋) ∈ ((1^st ‘((1^st ‘𝑌)‘𝑋))‘𝑋))
58	51, 57	ffvelcdmd 7089	. . . 4 ⊢ ((𝜑 ∧ 𝑎 ∈ (((1^st ‘𝑌)‘𝑋)(𝑂 Nat 𝑆)𝐹)) → ((𝑎‘𝑋)‘( 1 ‘𝑋)) ∈ ((1^st ‘𝐹)‘𝑋))
59	58	fmpttd 7119	. . 3 ⊢ (𝜑 → (𝑎 ∈ (((1^st ‘𝑌)‘𝑋)(𝑂 Nat 𝑆)𝐹) ↦ ((𝑎‘𝑋)‘( 1 ‘𝑋))):(((1^st ‘𝑌)‘𝑋)(𝑂 Nat 𝑆)𝐹)⟶((1^st ‘𝐹)‘𝑋))
60		yoneda.t	. . . . 5 ⊢ 𝑇 = (SetCat‘𝑉)
61		yoneda.q	. . . . 5 ⊢ 𝑄 = (𝑂 FuncCat 𝑆)
62		yoneda.h	. . . . 5 ⊢ 𝐻 = (Hom_F‘𝑄)
63		yoneda.r	. . . . 5 ⊢ 𝑅 = ((𝑄 ×_c 𝑂) FuncCat 𝑇)
64		yoneda.e	. . . . 5 ⊢ 𝐸 = (𝑂 eval_F 𝑆)
65		yoneda.z	. . . . 5 ⊢ 𝑍 = (𝐻 ∘_func ((⟨(1^st ‘𝑌), tpos (2^nd ‘𝑌)⟩ ∘_func (𝑄 2^nd_F 𝑂)) ⟨,⟩_F (𝑄 1^st_F 𝑂)))
66	33, 20, 53, 19, 25, 60, 61, 62, 63, 64, 65, 34, 26, 35, 27, 1, 2	yonedalem21 18250	. . . 4 ⊢ (𝜑 → (𝐹(1^st ‘𝑍)𝑋) = (((1^st ‘𝑌)‘𝑋)(𝑂 Nat 𝑆)𝐹))
67	19	oppccat 17689	. . . . . 6 ⊢ (𝐶 ∈ Cat → 𝑂 ∈ Cat)
68	34, 67	syl 17	. . . . 5 ⊢ (𝜑 → 𝑂 ∈ Cat)
69	25	setccat 18059	. . . . . 6 ⊢ (𝑈 ∈ V → 𝑆 ∈ Cat)
70	29, 69	syl 17	. . . . 5 ⊢ (𝜑 → 𝑆 ∈ Cat)
71	64, 68, 70, 21, 1, 2	evlf1 18197	. . . 4 ⊢ (𝜑 → (𝐹(1^st ‘𝐸)𝑋) = ((1^st ‘𝐹)‘𝑋))
72	15, 66, 71	feq123d 6705	. . 3 ⊢ (𝜑 → ((𝐹𝑀𝑋):(𝐹(1^st ‘𝑍)𝑋)⟶(𝐹(1^st ‘𝐸)𝑋) ↔ (𝑎 ∈ (((1^st ‘𝑌)‘𝑋)(𝑂 Nat 𝑆)𝐹) ↦ ((𝑎‘𝑋)‘( 1 ‘𝑋))):(((1^st ‘𝑌)‘𝑋)(𝑂 Nat 𝑆)𝐹)⟶((1^st ‘𝐹)‘𝑋)))
73	59, 72	mpbird 257	. 2 ⊢ (𝜑 → (𝐹𝑀𝑋):(𝐹(1^st ‘𝑍)𝑋)⟶(𝐹(1^st ‘𝐸)𝑋))
74	15, 73	jca 511	1 ⊢ (𝜑 → ((𝐹𝑀𝑋) = (𝑎 ∈ (((1^st ‘𝑌)‘𝑋)(𝑂 Nat 𝑆)𝐹) ↦ ((𝑎‘𝑋)‘( 1 ‘𝑋))) ∧ (𝐹𝑀𝑋):(𝐹(1^st ‘𝑍)𝑋)⟶(𝐹(1^st ‘𝐸)𝑋)))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ∧ wa 395 = wceq 1534 ∈ wcel 2099 Vcvv 3469 ∪ cun 3942 ⊆ wss 3944 ⟨cop 4630 class class class wbr 5142 ↦ cmpt 5225 ran crn 5673 Rel wrel 5677 ⟶wf 6538 ‘cfv 6542 (class class class)co 7414 ∈ cmpo 7416 1^st c1st 7983 2^nd c2nd 7984 tpos ctpos 8222 Basecbs 17165 Hom chom 17229 Catccat 17629 Idccid 17630 Hom_f chomf 17631 oppCatcoppc 17676 Func cfunc 17825 ∘_func ccofu 17827 Nat cnat 17916 FuncCat cfuc 17917 SetCatcsetc 18049 ×_c cxpc 18144 1^st_F c1stf 18145 2^nd_F c2ndf 18146 ⟨,⟩_F cprf 18147 eval_F cevlf 18186 Hom_Fchof 18225 Yoncyon 18226

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1790 ax-4 1804 ax-5 1906 ax-6 1964 ax-7 2004 ax-8 2101 ax-9 2109 ax-10 2130 ax-11 2147 ax-12 2164 ax-ext 2698 ax-rep 5279 ax-sep 5293 ax-nul 5300 ax-pow 5359 ax-pr 5423 ax-un 7732 ax-cnex 11180 ax-resscn 11181 ax-1cn 11182 ax-icn 11183 ax-addcl 11184 ax-addrcl 11185 ax-mulcl 11186 ax-mulrcl 11187 ax-mulcom 11188 ax-addass 11189 ax-mulass 11190 ax-distr 11191 ax-i2m1 11192 ax-1ne0 11193 ax-1rid 11194 ax-rnegex 11195 ax-rrecex 11196 ax-cnre 11197 ax-pre-lttri 11198 ax-pre-lttrn 11199 ax-pre-ltadd 11200 ax-pre-mulgt0 11201

This theorem depends on definitions: df-bi 206 df-an 396 df-or 847 df-3or 1086 df-3an 1087 df-tru 1537 df-fal 1547 df-ex 1775 df-nf 1779 df-sb 2061 df-mo 2529 df-eu 2558 df-clab 2705 df-cleq 2719 df-clel 2805 df-nfc 2880 df-ne 2936 df-nel 3042 df-ral 3057 df-rex 3066 df-rmo 3371 df-reu 3372 df-rab 3428 df-v 3471 df-sbc 3775 df-csb 3890 df-dif 3947 df-un 3949 df-in 3951 df-ss 3961 df-pss 3963 df-nul 4319 df-if 4525 df-pw 4600 df-sn 4625 df-pr 4627 df-tp 4629 df-op 4631 df-uni 4904 df-iun 4993 df-br 5143 df-opab 5205 df-mpt 5226 df-tr 5260 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 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 7370 df-ov 7417 df-oprab 7418 df-mpo 7419 df-om 7863 df-1st 7985 df-2nd 7986 df-tpos 8223 df-frecs 8278 df-wrecs 8309 df-recs 8383 df-rdg 8422 df-1o 8478 df-er 8716 df-map 8836 df-ixp 8906 df-en 8954 df-dom 8955 df-sdom 8956 df-fin 8957 df-pnf 11266 df-mnf 11267 df-xr 11268 df-ltxr 11269 df-le 11270 df-sub 11462 df-neg 11463 df-nn 12229 df-2 12291 df-3 12292 df-4 12293 df-5 12294 df-6 12295 df-7 12296 df-8 12297 df-9 12298 df-n0 12489 df-z 12575 df-dec 12694 df-uz 12839 df-fz 13503 df-struct 17101 df-sets 17118 df-slot 17136 df-ndx 17148 df-base 17166 df-hom 17242 df-cco 17243 df-cat 17633 df-cid 17634 df-homf 17635 df-comf 17636 df-oppc 17677 df-func 17829 df-cofu 17831 df-nat 17918 df-fuc 17919 df-setc 18050 df-xpc 18148 df-1stf 18149 df-2ndf 18150 df-prf 18151 df-evlf 18190 df-curf 18191 df-hof 18227 df-yon 18228

This theorem is referenced by: yonedalem3b 18256 yonedalem3 18257 yonedainv 18258

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