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Theorem ecgrtg 28674

Description: The congruence relation used in the Tarski structure for the Euclidean geometry is the same as Cgr. (Contributed by Thierry Arnoux, 15-Mar-2019.)

**Hypotheses**
Ref	Expression
ecgrtg.1	⊢ (𝜑 → 𝑁 ∈ ℕ)
ecgrtg.2	⊢ 𝑃 = (Base‘(EEG‘𝑁))
ecgrtg.3	⊢ − = (dist‘(EEG‘𝑁))
ecgrtg.a	⊢ (𝜑 → 𝐴 ∈ 𝑃)
ecgrtg.b	⊢ (𝜑 → 𝐵 ∈ 𝑃)
ecgrtg.c	⊢ (𝜑 → 𝐶 ∈ 𝑃)
ecgrtg.d	⊢ (𝜑 → 𝐷 ∈ 𝑃)

**Assertion**
Ref	Expression
ecgrtg	⊢ (𝜑 → (⟨𝐴, 𝐵⟩Cgr⟨𝐶, 𝐷⟩ ↔ (𝐴 − 𝐵) = (𝐶 − 𝐷)))

Proof of Theorem ecgrtg Dummy variables 𝑥 𝑖 𝑦 𝑧 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		ecgrtg.a	. . . 4 ⊢ (𝜑 → 𝐴 ∈ 𝑃)
2		ecgrtg.1	. . . . . 6 ⊢ (𝜑 → 𝑁 ∈ ℕ)
3		eengbas 28672	. . . . . 6 ⊢ (𝑁 ∈ ℕ → (𝔼‘𝑁) = (Base‘(EEG‘𝑁)))
4	2, 3	syl 17	. . . . 5 ⊢ (𝜑 → (𝔼‘𝑁) = (Base‘(EEG‘𝑁)))
5		ecgrtg.2	. . . . 5 ⊢ 𝑃 = (Base‘(EEG‘𝑁))
6	4, 5	eqtr4di 2789	. . . 4 ⊢ (𝜑 → (𝔼‘𝑁) = 𝑃)
7	1, 6	eleqtrrd 2835	. . 3 ⊢ (𝜑 → 𝐴 ∈ (𝔼‘𝑁))
8		ecgrtg.b	. . . 4 ⊢ (𝜑 → 𝐵 ∈ 𝑃)
9	8, 6	eleqtrrd 2835	. . 3 ⊢ (𝜑 → 𝐵 ∈ (𝔼‘𝑁))
10		ecgrtg.c	. . . 4 ⊢ (𝜑 → 𝐶 ∈ 𝑃)
11	10, 6	eleqtrrd 2835	. . 3 ⊢ (𝜑 → 𝐶 ∈ (𝔼‘𝑁))
12		ecgrtg.d	. . . 4 ⊢ (𝜑 → 𝐷 ∈ 𝑃)
13	12, 6	eleqtrrd 2835	. . 3 ⊢ (𝜑 → 𝐷 ∈ (𝔼‘𝑁))
14		brcgr 28591	. . 3 ⊢ (((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁))) → (⟨𝐴, 𝐵⟩Cgr⟨𝐶, 𝐷⟩ ↔ Σ𝑖 ∈ (1...𝑁)(((𝐴‘𝑖) − (𝐵‘𝑖))↑2) = Σ𝑖 ∈ (1...𝑁)(((𝐶‘𝑖) − (𝐷‘𝑖))↑2)))
15	7, 9, 11, 13, 14	syl22anc 836	. 2 ⊢ (𝜑 → (⟨𝐴, 𝐵⟩Cgr⟨𝐶, 𝐷⟩ ↔ Σ𝑖 ∈ (1...𝑁)(((𝐴‘𝑖) − (𝐵‘𝑖))↑2) = Σ𝑖 ∈ (1...𝑁)(((𝐶‘𝑖) − (𝐷‘𝑖))↑2)))
16		ecgrtg.3	. . . . . 6 ⊢ − = (dist‘(EEG‘𝑁))
17		dsid 17338	. . . . . . 7 ⊢ dist = Slot (dist‘ndx)
18		fvexd 6906	. . . . . . 7 ⊢ (𝜑 → (EEG‘𝑁) ∈ V)
19		eengstr 28671	. . . . . . . . . 10 ⊢ (𝑁 ∈ ℕ → (EEG‘𝑁) Struct ⟨1, ;17⟩)
20	2, 19	syl 17	. . . . . . . . 9 ⊢ (𝜑 → (EEG‘𝑁) Struct ⟨1, ;17⟩)
21		structn0fun 17091	. . . . . . . . 9 ⊢ ((EEG‘𝑁) Struct ⟨1, ;17⟩ → Fun ((EEG‘𝑁) ∖ {∅}))
22	20, 21	syl 17	. . . . . . . 8 ⊢ (𝜑 → Fun ((EEG‘𝑁) ∖ {∅}))
23		structcnvcnv 17093	. . . . . . . . . 10 ⊢ ((EEG‘𝑁) Struct ⟨1, ;17⟩ → ^◡^◡(EEG‘𝑁) = ((EEG‘𝑁) ∖ {∅}))
24	20, 23	syl 17	. . . . . . . . 9 ⊢ (𝜑 → ^◡^◡(EEG‘𝑁) = ((EEG‘𝑁) ∖ {∅}))
25	24	funeqd 6570	. . . . . . . 8 ⊢ (𝜑 → (Fun ^◡^◡(EEG‘𝑁) ↔ Fun ((EEG‘𝑁) ∖ {∅})))
26	22, 25	mpbird 257	. . . . . . 7 ⊢ (𝜑 → Fun ^◡^◡(EEG‘𝑁))
27		opex 5464	. . . . . . . . . 10 ⊢ ⟨(dist‘ndx), (𝑥 ∈ (𝔼‘𝑁), 𝑦 ∈ (𝔼‘𝑁) ↦ Σ𝑖 ∈ (1...𝑁)(((𝑥‘𝑖) − (𝑦‘𝑖))↑2))⟩ ∈ V
28	27	prid2 4767	. . . . . . . . 9 ⊢ ⟨(dist‘ndx), (𝑥 ∈ (𝔼‘𝑁), 𝑦 ∈ (𝔼‘𝑁) ↦ Σ𝑖 ∈ (1...𝑁)(((𝑥‘𝑖) − (𝑦‘𝑖))↑2))⟩ ∈ {⟨(Base‘ndx), (𝔼‘𝑁)⟩, ⟨(dist‘ndx), (𝑥 ∈ (𝔼‘𝑁), 𝑦 ∈ (𝔼‘𝑁) ↦ Σ𝑖 ∈ (1...𝑁)(((𝑥‘𝑖) − (𝑦‘𝑖))↑2))⟩}
29		elun1 4176	. . . . . . . . 9 ⊢ (⟨(dist‘ndx), (𝑥 ∈ (𝔼‘𝑁), 𝑦 ∈ (𝔼‘𝑁) ↦ Σ𝑖 ∈ (1...𝑁)(((𝑥‘𝑖) − (𝑦‘𝑖))↑2))⟩ ∈ {⟨(Base‘ndx), (𝔼‘𝑁)⟩, ⟨(dist‘ndx), (𝑥 ∈ (𝔼‘𝑁), 𝑦 ∈ (𝔼‘𝑁) ↦ Σ𝑖 ∈ (1...𝑁)(((𝑥‘𝑖) − (𝑦‘𝑖))↑2))⟩} → ⟨(dist‘ndx), (𝑥 ∈ (𝔼‘𝑁), 𝑦 ∈ (𝔼‘𝑁) ↦ Σ𝑖 ∈ (1...𝑁)(((𝑥‘𝑖) − (𝑦‘𝑖))↑2))⟩ ∈ ({⟨(Base‘ndx), (𝔼‘𝑁)⟩, ⟨(dist‘ndx), (𝑥 ∈ (𝔼‘𝑁), 𝑦 ∈ (𝔼‘𝑁) ↦ Σ𝑖 ∈ (1...𝑁)(((𝑥‘𝑖) − (𝑦‘𝑖))↑2))⟩} ∪ {⟨(Itv‘ndx), (𝑥 ∈ (𝔼‘𝑁), 𝑦 ∈ (𝔼‘𝑁) ↦ {𝑧 ∈ (𝔼‘𝑁) ∣ 𝑧 Btwn ⟨𝑥, 𝑦⟩})⟩, ⟨(LineG‘ndx), (𝑥 ∈ (𝔼‘𝑁), 𝑦 ∈ ((𝔼‘𝑁) ∖ {𝑥}) ↦ {𝑧 ∈ (𝔼‘𝑁) ∣ (𝑧 Btwn ⟨𝑥, 𝑦⟩ ∨ 𝑥 Btwn ⟨𝑧, 𝑦⟩ ∨ 𝑦 Btwn ⟨𝑥, 𝑧⟩)})⟩}))
30	28, 29	ax-mp 5	. . . . . . . 8 ⊢ ⟨(dist‘ndx), (𝑥 ∈ (𝔼‘𝑁), 𝑦 ∈ (𝔼‘𝑁) ↦ Σ𝑖 ∈ (1...𝑁)(((𝑥‘𝑖) − (𝑦‘𝑖))↑2))⟩ ∈ ({⟨(Base‘ndx), (𝔼‘𝑁)⟩, ⟨(dist‘ndx), (𝑥 ∈ (𝔼‘𝑁), 𝑦 ∈ (𝔼‘𝑁) ↦ Σ𝑖 ∈ (1...𝑁)(((𝑥‘𝑖) − (𝑦‘𝑖))↑2))⟩} ∪ {⟨(Itv‘ndx), (𝑥 ∈ (𝔼‘𝑁), 𝑦 ∈ (𝔼‘𝑁) ↦ {𝑧 ∈ (𝔼‘𝑁) ∣ 𝑧 Btwn ⟨𝑥, 𝑦⟩})⟩, ⟨(LineG‘ndx), (𝑥 ∈ (𝔼‘𝑁), 𝑦 ∈ ((𝔼‘𝑁) ∖ {𝑥}) ↦ {𝑧 ∈ (𝔼‘𝑁) ∣ (𝑧 Btwn ⟨𝑥, 𝑦⟩ ∨ 𝑥 Btwn ⟨𝑧, 𝑦⟩ ∨ 𝑦 Btwn ⟨𝑥, 𝑧⟩)})⟩})
31		eengv 28670	. . . . . . . . 9 ⊢ (𝑁 ∈ ℕ → (EEG‘𝑁) = ({⟨(Base‘ndx), (𝔼‘𝑁)⟩, ⟨(dist‘ndx), (𝑥 ∈ (𝔼‘𝑁), 𝑦 ∈ (𝔼‘𝑁) ↦ Σ𝑖 ∈ (1...𝑁)(((𝑥‘𝑖) − (𝑦‘𝑖))↑2))⟩} ∪ {⟨(Itv‘ndx), (𝑥 ∈ (𝔼‘𝑁), 𝑦 ∈ (𝔼‘𝑁) ↦ {𝑧 ∈ (𝔼‘𝑁) ∣ 𝑧 Btwn ⟨𝑥, 𝑦⟩})⟩, ⟨(LineG‘ndx), (𝑥 ∈ (𝔼‘𝑁), 𝑦 ∈ ((𝔼‘𝑁) ∖ {𝑥}) ↦ {𝑧 ∈ (𝔼‘𝑁) ∣ (𝑧 Btwn ⟨𝑥, 𝑦⟩ ∨ 𝑥 Btwn ⟨𝑧, 𝑦⟩ ∨ 𝑦 Btwn ⟨𝑥, 𝑧⟩)})⟩}))
32	2, 31	syl 17	. . . . . . . 8 ⊢ (𝜑 → (EEG‘𝑁) = ({⟨(Base‘ndx), (𝔼‘𝑁)⟩, ⟨(dist‘ndx), (𝑥 ∈ (𝔼‘𝑁), 𝑦 ∈ (𝔼‘𝑁) ↦ Σ𝑖 ∈ (1...𝑁)(((𝑥‘𝑖) − (𝑦‘𝑖))↑2))⟩} ∪ {⟨(Itv‘ndx), (𝑥 ∈ (𝔼‘𝑁), 𝑦 ∈ (𝔼‘𝑁) ↦ {𝑧 ∈ (𝔼‘𝑁) ∣ 𝑧 Btwn ⟨𝑥, 𝑦⟩})⟩, ⟨(LineG‘ndx), (𝑥 ∈ (𝔼‘𝑁), 𝑦 ∈ ((𝔼‘𝑁) ∖ {𝑥}) ↦ {𝑧 ∈ (𝔼‘𝑁) ∣ (𝑧 Btwn ⟨𝑥, 𝑦⟩ ∨ 𝑥 Btwn ⟨𝑧, 𝑦⟩ ∨ 𝑦 Btwn ⟨𝑥, 𝑧⟩)})⟩}))
33	30, 32	eleqtrrid 2839	. . . . . . 7 ⊢ (𝜑 → ⟨(dist‘ndx), (𝑥 ∈ (𝔼‘𝑁), 𝑦 ∈ (𝔼‘𝑁) ↦ Σ𝑖 ∈ (1...𝑁)(((𝑥‘𝑖) − (𝑦‘𝑖))↑2))⟩ ∈ (EEG‘𝑁))
34		fvex 6904	. . . . . . . . 9 ⊢ (𝔼‘𝑁) ∈ V
35	34, 34	mpoex 8070	. . . . . . . 8 ⊢ (𝑥 ∈ (𝔼‘𝑁), 𝑦 ∈ (𝔼‘𝑁) ↦ Σ𝑖 ∈ (1...𝑁)(((𝑥‘𝑖) − (𝑦‘𝑖))↑2)) ∈ V
36	35	a1i 11	. . . . . . 7 ⊢ (𝜑 → (𝑥 ∈ (𝔼‘𝑁), 𝑦 ∈ (𝔼‘𝑁) ↦ Σ𝑖 ∈ (1...𝑁)(((𝑥‘𝑖) − (𝑦‘𝑖))↑2)) ∈ V)
37	17, 18, 26, 33, 36	strfv2d 17142	. . . . . 6 ⊢ (𝜑 → (𝑥 ∈ (𝔼‘𝑁), 𝑦 ∈ (𝔼‘𝑁) ↦ Σ𝑖 ∈ (1...𝑁)(((𝑥‘𝑖) − (𝑦‘𝑖))↑2)) = (dist‘(EEG‘𝑁)))
38	16, 37	eqtr4id 2790	. . . . 5 ⊢ (𝜑 → − = (𝑥 ∈ (𝔼‘𝑁), 𝑦 ∈ (𝔼‘𝑁) ↦ Σ𝑖 ∈ (1...𝑁)(((𝑥‘𝑖) − (𝑦‘𝑖))↑2)))
39		simplrl 774	. . . . . . . . 9 ⊢ (((𝜑 ∧ (𝑥 = 𝐴 ∧ 𝑦 = 𝐵)) ∧ 𝑖 ∈ (1...𝑁)) → 𝑥 = 𝐴)
40	39	fveq1d 6893	. . . . . . . 8 ⊢ (((𝜑 ∧ (𝑥 = 𝐴 ∧ 𝑦 = 𝐵)) ∧ 𝑖 ∈ (1...𝑁)) → (𝑥‘𝑖) = (𝐴‘𝑖))
41		simplrr 775	. . . . . . . . 9 ⊢ (((𝜑 ∧ (𝑥 = 𝐴 ∧ 𝑦 = 𝐵)) ∧ 𝑖 ∈ (1...𝑁)) → 𝑦 = 𝐵)
42	41	fveq1d 6893	. . . . . . . 8 ⊢ (((𝜑 ∧ (𝑥 = 𝐴 ∧ 𝑦 = 𝐵)) ∧ 𝑖 ∈ (1...𝑁)) → (𝑦‘𝑖) = (𝐵‘𝑖))
43	40, 42	oveq12d 7430	. . . . . . 7 ⊢ (((𝜑 ∧ (𝑥 = 𝐴 ∧ 𝑦 = 𝐵)) ∧ 𝑖 ∈ (1...𝑁)) → ((𝑥‘𝑖) − (𝑦‘𝑖)) = ((𝐴‘𝑖) − (𝐵‘𝑖)))
44	43	oveq1d 7427	. . . . . 6 ⊢ (((𝜑 ∧ (𝑥 = 𝐴 ∧ 𝑦 = 𝐵)) ∧ 𝑖 ∈ (1...𝑁)) → (((𝑥‘𝑖) − (𝑦‘𝑖))↑2) = (((𝐴‘𝑖) − (𝐵‘𝑖))↑2))
45	44	sumeq2dv 15656	. . . . 5 ⊢ ((𝜑 ∧ (𝑥 = 𝐴 ∧ 𝑦 = 𝐵)) → Σ𝑖 ∈ (1...𝑁)(((𝑥‘𝑖) − (𝑦‘𝑖))↑2) = Σ𝑖 ∈ (1...𝑁)(((𝐴‘𝑖) − (𝐵‘𝑖))↑2))
46		sumex 15641	. . . . . 6 ⊢ Σ𝑖 ∈ (1...𝑁)(((𝐴‘𝑖) − (𝐵‘𝑖))↑2) ∈ V
47	46	a1i 11	. . . . 5 ⊢ (𝜑 → Σ𝑖 ∈ (1...𝑁)(((𝐴‘𝑖) − (𝐵‘𝑖))↑2) ∈ V)
48	38, 45, 7, 9, 47	ovmpod 7563	. . . 4 ⊢ (𝜑 → (𝐴 − 𝐵) = Σ𝑖 ∈ (1...𝑁)(((𝐴‘𝑖) − (𝐵‘𝑖))↑2))
49	48	eqcomd 2737	. . 3 ⊢ (𝜑 → Σ𝑖 ∈ (1...𝑁)(((𝐴‘𝑖) − (𝐵‘𝑖))↑2) = (𝐴 − 𝐵))
50		simplrl 774	. . . . . . . . 9 ⊢ (((𝜑 ∧ (𝑥 = 𝐶 ∧ 𝑦 = 𝐷)) ∧ 𝑖 ∈ (1...𝑁)) → 𝑥 = 𝐶)
51	50	fveq1d 6893	. . . . . . . 8 ⊢ (((𝜑 ∧ (𝑥 = 𝐶 ∧ 𝑦 = 𝐷)) ∧ 𝑖 ∈ (1...𝑁)) → (𝑥‘𝑖) = (𝐶‘𝑖))
52		simplrr 775	. . . . . . . . 9 ⊢ (((𝜑 ∧ (𝑥 = 𝐶 ∧ 𝑦 = 𝐷)) ∧ 𝑖 ∈ (1...𝑁)) → 𝑦 = 𝐷)
53	52	fveq1d 6893	. . . . . . . 8 ⊢ (((𝜑 ∧ (𝑥 = 𝐶 ∧ 𝑦 = 𝐷)) ∧ 𝑖 ∈ (1...𝑁)) → (𝑦‘𝑖) = (𝐷‘𝑖))
54	51, 53	oveq12d 7430	. . . . . . 7 ⊢ (((𝜑 ∧ (𝑥 = 𝐶 ∧ 𝑦 = 𝐷)) ∧ 𝑖 ∈ (1...𝑁)) → ((𝑥‘𝑖) − (𝑦‘𝑖)) = ((𝐶‘𝑖) − (𝐷‘𝑖)))
55	54	oveq1d 7427	. . . . . 6 ⊢ (((𝜑 ∧ (𝑥 = 𝐶 ∧ 𝑦 = 𝐷)) ∧ 𝑖 ∈ (1...𝑁)) → (((𝑥‘𝑖) − (𝑦‘𝑖))↑2) = (((𝐶‘𝑖) − (𝐷‘𝑖))↑2))
56	55	sumeq2dv 15656	. . . . 5 ⊢ ((𝜑 ∧ (𝑥 = 𝐶 ∧ 𝑦 = 𝐷)) → Σ𝑖 ∈ (1...𝑁)(((𝑥‘𝑖) − (𝑦‘𝑖))↑2) = Σ𝑖 ∈ (1...𝑁)(((𝐶‘𝑖) − (𝐷‘𝑖))↑2))
57		sumex 15641	. . . . . 6 ⊢ Σ𝑖 ∈ (1...𝑁)(((𝐶‘𝑖) − (𝐷‘𝑖))↑2) ∈ V
58	57	a1i 11	. . . . 5 ⊢ (𝜑 → Σ𝑖 ∈ (1...𝑁)(((𝐶‘𝑖) − (𝐷‘𝑖))↑2) ∈ V)
59	38, 56, 11, 13, 58	ovmpod 7563	. . . 4 ⊢ (𝜑 → (𝐶 − 𝐷) = Σ𝑖 ∈ (1...𝑁)(((𝐶‘𝑖) − (𝐷‘𝑖))↑2))
60	59	eqcomd 2737	. . 3 ⊢ (𝜑 → Σ𝑖 ∈ (1...𝑁)(((𝐶‘𝑖) − (𝐷‘𝑖))↑2) = (𝐶 − 𝐷))
61	49, 60	eqeq12d 2747	. 2 ⊢ (𝜑 → (Σ𝑖 ∈ (1...𝑁)(((𝐴‘𝑖) − (𝐵‘𝑖))↑2) = Σ𝑖 ∈ (1...𝑁)(((𝐶‘𝑖) − (𝐷‘𝑖))↑2) ↔ (𝐴 − 𝐵) = (𝐶 − 𝐷)))
62	15, 61	bitrd 279	1 ⊢ (𝜑 → (⟨𝐴, 𝐵⟩Cgr⟨𝐶, 𝐷⟩ ↔ (𝐴 − 𝐵) = (𝐶 − 𝐷)))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 205 ∧ wa 395 ∨ w3o 1085 = wceq 1540 ∈ wcel 2105 {crab 3431 Vcvv 3473 ∖ cdif 3945 ∪ cun 3946 ∅c0 4322 {csn 4628 {cpr 4630 ⟨cop 4634 class class class wbr 5148 ^◡ccnv 5675 Fun wfun 6537 ‘cfv 6543 (class class class)co 7412 ∈ cmpo 7414 1c1 11117 − cmin 11451 ℕcn 12219 2c2 12274 7c7 12279 cdc 12684 ...cfz 13491 ↑cexp 14034 Σcsu 15639 Struct cstr 17086 ndxcnx 17133 Basecbs 17151 distcds 17213 Itvcitv 28117 LineGclng 28118 𝔼cee 28579 Btwn cbtwn 28580 Cgrccgr 28581 EEGceeng 28668

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1912 ax-6 1970 ax-7 2010 ax-8 2107 ax-9 2115 ax-10 2136 ax-11 2153 ax-12 2170 ax-ext 2702 ax-rep 5285 ax-sep 5299 ax-nul 5306 ax-pow 5363 ax-pr 5427 ax-un 7729 ax-cnex 11172 ax-resscn 11173 ax-1cn 11174 ax-icn 11175 ax-addcl 11176 ax-addrcl 11177 ax-mulcl 11178 ax-mulrcl 11179 ax-mulcom 11180 ax-addass 11181 ax-mulass 11182 ax-distr 11183 ax-i2m1 11184 ax-1ne0 11185 ax-1rid 11186 ax-rnegex 11187 ax-rrecex 11188 ax-cnre 11189 ax-pre-lttri 11190 ax-pre-lttrn 11191 ax-pre-ltadd 11192 ax-pre-mulgt0 11193

This theorem depends on definitions: df-bi 206 df-an 396 df-or 845 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1781 df-nf 1785 df-sb 2067 df-mo 2533 df-eu 2562 df-clab 2709 df-cleq 2723 df-clel 2809 df-nfc 2884 df-ne 2940 df-nel 3046 df-ral 3061 df-rex 3070 df-reu 3376 df-rab 3432 df-v 3475 df-sbc 3778 df-csb 3894 df-dif 3951 df-un 3953 df-in 3955 df-ss 3965 df-pss 3967 df-nul 4323 df-if 4529 df-pw 4604 df-sn 4629 df-pr 4631 df-op 4635 df-uni 4909 df-iun 4999 df-br 5149 df-opab 5211 df-mpt 5232 df-tr 5266 df-id 5574 df-eprel 5580 df-po 5588 df-so 5589 df-fr 5631 df-we 5633 df-xp 5682 df-rel 5683 df-cnv 5684 df-co 5685 df-dm 5686 df-rn 5687 df-res 5688 df-ima 5689 df-pred 6300 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6495 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-riota 7368 df-ov 7415 df-oprab 7416 df-mpo 7417 df-om 7860 df-1st 7979 df-2nd 7980 df-frecs 8272 df-wrecs 8303 df-recs 8377 df-rdg 8416 df-1o 8472 df-er 8709 df-map 8828 df-en 8946 df-dom 8947 df-sdom 8948 df-fin 8949 df-pnf 11257 df-mnf 11258 df-xr 11259 df-ltxr 11260 df-le 11261 df-sub 11453 df-neg 11454 df-nn 12220 df-2 12282 df-3 12283 df-4 12284 df-5 12285 df-6 12286 df-7 12287 df-8 12288 df-9 12289 df-n0 12480 df-z 12566 df-dec 12685 df-uz 12830 df-fz 13492 df-seq 13974 df-sum 15640 df-struct 17087 df-slot 17122 df-ndx 17134 df-base 17152 df-ds 17226 df-itv 28119 df-lng 28120 df-ee 28582 df-cgr 28584 df-eeng 28669

This theorem is referenced by: eengtrkg 28677

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