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Theorem numclwwlk1lem2fo 29600

Description: 𝑇 is an onto function. (Contributed by Alexander van der Vekens, 20-Sep-2018.) (Revised by AV, 29-May-2021.) (Proof shortened by AV, 13-Feb-2022.) (Revised by AV, 31-Oct-2022.)

**Hypotheses**
Ref	Expression
extwwlkfab.v	⊢ 𝑉 = (Vtx‘𝐺)
extwwlkfab.c	⊢ 𝐶 = (𝑣 ∈ 𝑉, 𝑛 ∈ (ℤ_≥‘2) ↦ {𝑤 ∈ (𝑣(ClWWalksNOn‘𝐺)𝑛) ∣ (𝑤‘(𝑛 − 2)) = 𝑣})
extwwlkfab.f	⊢ 𝐹 = (𝑋(ClWWalksNOn‘𝐺)(𝑁 − 2))
numclwwlk.t	⊢ 𝑇 = (𝑢 ∈ (𝑋𝐶𝑁) ↦ ⟨(𝑢 prefix (𝑁 − 2)), (𝑢‘(𝑁 − 1))⟩)

**Assertion**
Ref	Expression
numclwwlk1lem2fo	⊢ ((𝐺 ∈ USGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)) → 𝑇:(𝑋𝐶𝑁)–onto→(𝐹 × (𝐺 NeighbVtx 𝑋)))

Distinct variable groups: 𝑛,𝐺,𝑣,𝑤 𝑛,𝑁,𝑣,𝑤 𝑛,𝑉,𝑣,𝑤 𝑛,𝑋,𝑣,𝑤 𝑤,𝐹 𝑢,𝐶 𝑢,𝐹 𝑢,𝐺,𝑤 𝑢,𝑁 𝑢,𝑉 𝑢,𝑋 𝑢,𝑇 Allowed substitution hints: 𝐶(𝑤,𝑣,𝑛) 𝑇(𝑤,𝑣,𝑛) 𝐹(𝑣,𝑛)

Proof of Theorem numclwwlk1lem2fo Dummy variables 𝑖 𝑎 𝑝 𝑏 𝑥 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		extwwlkfab.v	. . 3 ⊢ 𝑉 = (Vtx‘𝐺)
2		extwwlkfab.c	. . 3 ⊢ 𝐶 = (𝑣 ∈ 𝑉, 𝑛 ∈ (ℤ_≥‘2) ↦ {𝑤 ∈ (𝑣(ClWWalksNOn‘𝐺)𝑛) ∣ (𝑤‘(𝑛 − 2)) = 𝑣})
3		extwwlkfab.f	. . 3 ⊢ 𝐹 = (𝑋(ClWWalksNOn‘𝐺)(𝑁 − 2))
4		numclwwlk.t	. . 3 ⊢ 𝑇 = (𝑢 ∈ (𝑋𝐶𝑁) ↦ ⟨(𝑢 prefix (𝑁 − 2)), (𝑢‘(𝑁 − 1))⟩)
5	1, 2, 3, 4	numclwwlk1lem2f 29597	. 2 ⊢ ((𝐺 ∈ USGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)) → 𝑇:(𝑋𝐶𝑁)⟶(𝐹 × (𝐺 NeighbVtx 𝑋)))
6		elxp 5698	. . . . 5 ⊢ (𝑝 ∈ (𝐹 × (𝐺 NeighbVtx 𝑋)) ↔ ∃𝑎∃𝑏(𝑝 = ⟨𝑎, 𝑏⟩ ∧ (𝑎 ∈ 𝐹 ∧ 𝑏 ∈ (𝐺 NeighbVtx 𝑋))))
7	1, 2, 3	numclwwlk1lem2foa 29596	. . . . . . . . . . 11 ⊢ ((𝐺 ∈ USGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)) → ((𝑎 ∈ 𝐹 ∧ 𝑏 ∈ (𝐺 NeighbVtx 𝑋)) → ((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) ∈ (𝑋𝐶𝑁)))
8	7	com12 32	. . . . . . . . . 10 ⊢ ((𝑎 ∈ 𝐹 ∧ 𝑏 ∈ (𝐺 NeighbVtx 𝑋)) → ((𝐺 ∈ USGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)) → ((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) ∈ (𝑋𝐶𝑁)))
9	8	adantl 482	. . . . . . . . 9 ⊢ ((𝑝 = ⟨𝑎, 𝑏⟩ ∧ (𝑎 ∈ 𝐹 ∧ 𝑏 ∈ (𝐺 NeighbVtx 𝑋))) → ((𝐺 ∈ USGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)) → ((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) ∈ (𝑋𝐶𝑁)))
10	9	imp 407	. . . . . . . 8 ⊢ (((𝑝 = ⟨𝑎, 𝑏⟩ ∧ (𝑎 ∈ 𝐹 ∧ 𝑏 ∈ (𝐺 NeighbVtx 𝑋))) ∧ (𝐺 ∈ USGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3))) → ((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) ∈ (𝑋𝐶𝑁))
11		simpl 483	. . . . . . . . 9 ⊢ ((((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) ∈ (𝑋𝐶𝑁) ∧ ((𝑝 = ⟨𝑎, 𝑏⟩ ∧ (𝑎 ∈ 𝐹 ∧ 𝑏 ∈ (𝐺 NeighbVtx 𝑋))) ∧ (𝐺 ∈ USGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)))) → ((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) ∈ (𝑋𝐶𝑁))
12		fveq2 6888	. . . . . . . . . . 11 ⊢ (𝑥 = ((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) → (𝑇‘𝑥) = (𝑇‘((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩)))
13	12	eqeq2d 2743	. . . . . . . . . 10 ⊢ (𝑥 = ((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) → (𝑝 = (𝑇‘𝑥) ↔ 𝑝 = (𝑇‘((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩))))
14	1, 2, 3, 4	numclwwlk1lem2fv 29598	. . . . . . . . . . . 12 ⊢ (((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) ∈ (𝑋𝐶𝑁) → (𝑇‘((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩)) = ⟨(((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) prefix (𝑁 − 2)), (((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩)‘(𝑁 − 1))⟩)
15	14	adantr 481	. . . . . . . . . . 11 ⊢ ((((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) ∈ (𝑋𝐶𝑁) ∧ ((𝑝 = ⟨𝑎, 𝑏⟩ ∧ (𝑎 ∈ 𝐹 ∧ 𝑏 ∈ (𝐺 NeighbVtx 𝑋))) ∧ (𝐺 ∈ USGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)))) → (𝑇‘((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩)) = ⟨(((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) prefix (𝑁 − 2)), (((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩)‘(𝑁 − 1))⟩)
16	15	eqeq2d 2743	. . . . . . . . . 10 ⊢ ((((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) ∈ (𝑋𝐶𝑁) ∧ ((𝑝 = ⟨𝑎, 𝑏⟩ ∧ (𝑎 ∈ 𝐹 ∧ 𝑏 ∈ (𝐺 NeighbVtx 𝑋))) ∧ (𝐺 ∈ USGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)))) → (𝑝 = (𝑇‘((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩)) ↔ 𝑝 = ⟨(((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) prefix (𝑁 − 2)), (((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩)‘(𝑁 − 1))⟩))
17	13, 16	sylan9bbr 511	. . . . . . . . 9 ⊢ (((((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) ∈ (𝑋𝐶𝑁) ∧ ((𝑝 = ⟨𝑎, 𝑏⟩ ∧ (𝑎 ∈ 𝐹 ∧ 𝑏 ∈ (𝐺 NeighbVtx 𝑋))) ∧ (𝐺 ∈ USGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)))) ∧ 𝑥 = ((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩)) → (𝑝 = (𝑇‘𝑥) ↔ 𝑝 = ⟨(((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) prefix (𝑁 − 2)), (((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩)‘(𝑁 − 1))⟩))
18		simprll 777	. . . . . . . . . 10 ⊢ ((((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) ∈ (𝑋𝐶𝑁) ∧ ((𝑝 = ⟨𝑎, 𝑏⟩ ∧ (𝑎 ∈ 𝐹 ∧ 𝑏 ∈ (𝐺 NeighbVtx 𝑋))) ∧ (𝐺 ∈ USGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)))) → 𝑝 = ⟨𝑎, 𝑏⟩)
19	1	nbgrisvtx 28587	. . . . . . . . . . . . . . . 16 ⊢ (𝑏 ∈ (𝐺 NeighbVtx 𝑋) → 𝑏 ∈ 𝑉)
20	3	eleq2i 2825	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑎 ∈ 𝐹 ↔ 𝑎 ∈ (𝑋(ClWWalksNOn‘𝐺)(𝑁 − 2)))
21		uz3m2nn 12871	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (𝑁 ∈ (ℤ_≥‘3) → (𝑁 − 2) ∈ ℕ)
22	21	nnne0d 12258	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (𝑁 ∈ (ℤ_≥‘3) → (𝑁 − 2) ≠ 0)
23	22	3ad2ant3 1135	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((𝐺 ∈ USGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)) → (𝑁 − 2) ≠ 0)
24		eqid 2732	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (Edg‘𝐺) = (Edg‘𝐺)
25	1, 24	clwwlknonel 29337	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((𝑁 − 2) ≠ 0 → (𝑎 ∈ (𝑋(ClWWalksNOn‘𝐺)(𝑁 − 2)) ↔ ((𝑎 ∈ Word 𝑉 ∧ ∀𝑖 ∈ (0..^((♯‘𝑎) − 1)){(𝑎‘𝑖), (𝑎‘(𝑖 + 1))} ∈ (Edg‘𝐺) ∧ {(lastS‘𝑎), (𝑎‘0)} ∈ (Edg‘𝐺)) ∧ (♯‘𝑎) = (𝑁 − 2) ∧ (𝑎‘0) = 𝑋)))
26	23, 25	syl 17	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((𝐺 ∈ USGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)) → (𝑎 ∈ (𝑋(ClWWalksNOn‘𝐺)(𝑁 − 2)) ↔ ((𝑎 ∈ Word 𝑉 ∧ ∀𝑖 ∈ (0..^((♯‘𝑎) − 1)){(𝑎‘𝑖), (𝑎‘(𝑖 + 1))} ∈ (Edg‘𝐺) ∧ {(lastS‘𝑎), (𝑎‘0)} ∈ (Edg‘𝐺)) ∧ (♯‘𝑎) = (𝑁 − 2) ∧ (𝑎‘0) = 𝑋)))
27	20, 26	bitrid 282	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝐺 ∈ USGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)) → (𝑎 ∈ 𝐹 ↔ ((𝑎 ∈ Word 𝑉 ∧ ∀𝑖 ∈ (0..^((♯‘𝑎) − 1)){(𝑎‘𝑖), (𝑎‘(𝑖 + 1))} ∈ (Edg‘𝐺) ∧ {(lastS‘𝑎), (𝑎‘0)} ∈ (Edg‘𝐺)) ∧ (♯‘𝑎) = (𝑁 − 2) ∧ (𝑎‘0) = 𝑋)))
28		df-3an 1089	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝑎 ∈ Word 𝑉 ∧ ∀𝑖 ∈ (0..^((♯‘𝑎) − 1)){(𝑎‘𝑖), (𝑎‘(𝑖 + 1))} ∈ (Edg‘𝐺) ∧ {(lastS‘𝑎), (𝑎‘0)} ∈ (Edg‘𝐺)) ∧ (♯‘𝑎) = (𝑁 − 2) ∧ (𝑎‘0) = 𝑋) ↔ (((𝑎 ∈ Word 𝑉 ∧ ∀𝑖 ∈ (0..^((♯‘𝑎) − 1)){(𝑎‘𝑖), (𝑎‘(𝑖 + 1))} ∈ (Edg‘𝐺) ∧ {(lastS‘𝑎), (𝑎‘0)} ∈ (Edg‘𝐺)) ∧ (♯‘𝑎) = (𝑁 − 2)) ∧ (𝑎‘0) = 𝑋))
29	27, 28	bitrdi 286	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝐺 ∈ USGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)) → (𝑎 ∈ 𝐹 ↔ (((𝑎 ∈ Word 𝑉 ∧ ∀𝑖 ∈ (0..^((♯‘𝑎) − 1)){(𝑎‘𝑖), (𝑎‘(𝑖 + 1))} ∈ (Edg‘𝐺) ∧ {(lastS‘𝑎), (𝑎‘0)} ∈ (Edg‘𝐺)) ∧ (♯‘𝑎) = (𝑁 − 2)) ∧ (𝑎‘0) = 𝑋)))
30		simplll 773	. . . . . . . . . . . . . . . . . . . . . . . . . 26 ⊢ ((((𝑎 ∈ Word 𝑉 ∧ (♯‘𝑎) = (𝑁 − 2)) ∧ (𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3))) ∧ 𝑏 ∈ 𝑉) → 𝑎 ∈ Word 𝑉)
31		s1cl 14548	. . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 ⊢ (𝑋 ∈ 𝑉 → ⟨“𝑋”⟩ ∈ Word 𝑉)
32	31	adantr 481	. . . . . . . . . . . . . . . . . . . . . . . . . . . 28 ⊢ ((𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)) → ⟨“𝑋”⟩ ∈ Word 𝑉)
33	32	adantl 482	. . . . . . . . . . . . . . . . . . . . . . . . . . 27 ⊢ (((𝑎 ∈ Word 𝑉 ∧ (♯‘𝑎) = (𝑁 − 2)) ∧ (𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3))) → ⟨“𝑋”⟩ ∈ Word 𝑉)
34	33	adantr 481	. . . . . . . . . . . . . . . . . . . . . . . . . 26 ⊢ ((((𝑎 ∈ Word 𝑉 ∧ (♯‘𝑎) = (𝑁 − 2)) ∧ (𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3))) ∧ 𝑏 ∈ 𝑉) → ⟨“𝑋”⟩ ∈ Word 𝑉)
35		s1cl 14548	. . . . . . . . . . . . . . . . . . . . . . . . . . 27 ⊢ (𝑏 ∈ 𝑉 → ⟨“𝑏”⟩ ∈ Word 𝑉)
36	35	adantl 482	. . . . . . . . . . . . . . . . . . . . . . . . . 26 ⊢ ((((𝑎 ∈ Word 𝑉 ∧ (♯‘𝑎) = (𝑁 − 2)) ∧ (𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3))) ∧ 𝑏 ∈ 𝑉) → ⟨“𝑏”⟩ ∈ Word 𝑉)
37		ccatass 14534	. . . . . . . . . . . . . . . . . . . . . . . . . . 27 ⊢ ((𝑎 ∈ Word 𝑉 ∧ ⟨“𝑋”⟩ ∈ Word 𝑉 ∧ ⟨“𝑏”⟩ ∈ Word 𝑉) → ((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) = (𝑎 ++ (⟨“𝑋”⟩ ++ ⟨“𝑏”⟩)))
38	37	oveq1d 7420	. . . . . . . . . . . . . . . . . . . . . . . . . 26 ⊢ ((𝑎 ∈ Word 𝑉 ∧ ⟨“𝑋”⟩ ∈ Word 𝑉 ∧ ⟨“𝑏”⟩ ∈ Word 𝑉) → (((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) prefix (𝑁 − 2)) = ((𝑎 ++ (⟨“𝑋”⟩ ++ ⟨“𝑏”⟩)) prefix (𝑁 − 2)))
39	30, 34, 36, 38	syl3anc 1371	. . . . . . . . . . . . . . . . . . . . . . . . 25 ⊢ ((((𝑎 ∈ Word 𝑉 ∧ (♯‘𝑎) = (𝑁 − 2)) ∧ (𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3))) ∧ 𝑏 ∈ 𝑉) → (((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) prefix (𝑁 − 2)) = ((𝑎 ++ (⟨“𝑋”⟩ ++ ⟨“𝑏”⟩)) prefix (𝑁 − 2)))
40		ccatcl 14520	. . . . . . . . . . . . . . . . . . . . . . . . . . 27 ⊢ ((⟨“𝑋”⟩ ∈ Word 𝑉 ∧ ⟨“𝑏”⟩ ∈ Word 𝑉) → (⟨“𝑋”⟩ ++ ⟨“𝑏”⟩) ∈ Word 𝑉)
41	33, 35, 40	syl2an 596	. . . . . . . . . . . . . . . . . . . . . . . . . 26 ⊢ ((((𝑎 ∈ Word 𝑉 ∧ (♯‘𝑎) = (𝑁 − 2)) ∧ (𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3))) ∧ 𝑏 ∈ 𝑉) → (⟨“𝑋”⟩ ++ ⟨“𝑏”⟩) ∈ Word 𝑉)
42		simpr 485	. . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 ⊢ ((𝑎 ∈ Word 𝑉 ∧ (♯‘𝑎) = (𝑁 − 2)) → (♯‘𝑎) = (𝑁 − 2))
43	42	eqcomd 2738	. . . . . . . . . . . . . . . . . . . . . . . . . . . 28 ⊢ ((𝑎 ∈ Word 𝑉 ∧ (♯‘𝑎) = (𝑁 − 2)) → (𝑁 − 2) = (♯‘𝑎))
44	43	adantr 481	. . . . . . . . . . . . . . . . . . . . . . . . . . 27 ⊢ (((𝑎 ∈ Word 𝑉 ∧ (♯‘𝑎) = (𝑁 − 2)) ∧ (𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3))) → (𝑁 − 2) = (♯‘𝑎))
45	44	adantr 481	. . . . . . . . . . . . . . . . . . . . . . . . . 26 ⊢ ((((𝑎 ∈ Word 𝑉 ∧ (♯‘𝑎) = (𝑁 − 2)) ∧ (𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3))) ∧ 𝑏 ∈ 𝑉) → (𝑁 − 2) = (♯‘𝑎))
46		pfxccatid 14687	. . . . . . . . . . . . . . . . . . . . . . . . . 26 ⊢ ((𝑎 ∈ Word 𝑉 ∧ (⟨“𝑋”⟩ ++ ⟨“𝑏”⟩) ∈ Word 𝑉 ∧ (𝑁 − 2) = (♯‘𝑎)) → ((𝑎 ++ (⟨“𝑋”⟩ ++ ⟨“𝑏”⟩)) prefix (𝑁 − 2)) = 𝑎)
47	30, 41, 45, 46	syl3anc 1371	. . . . . . . . . . . . . . . . . . . . . . . . 25 ⊢ ((((𝑎 ∈ Word 𝑉 ∧ (♯‘𝑎) = (𝑁 − 2)) ∧ (𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3))) ∧ 𝑏 ∈ 𝑉) → ((𝑎 ++ (⟨“𝑋”⟩ ++ ⟨“𝑏”⟩)) prefix (𝑁 − 2)) = 𝑎)
48	39, 47	eqtr2d 2773	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ ((((𝑎 ∈ Word 𝑉 ∧ (♯‘𝑎) = (𝑁 − 2)) ∧ (𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3))) ∧ 𝑏 ∈ 𝑉) → 𝑎 = (((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) prefix (𝑁 − 2)))
49		1e2m1 12335	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 ⊢ 1 = (2 − 1)
50	49	a1i 11	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 ⊢ (𝑁 ∈ (ℤ_≥‘3) → 1 = (2 − 1))
51	50	oveq2d 7421	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 ⊢ (𝑁 ∈ (ℤ_≥‘3) → (𝑁 − 1) = (𝑁 − (2 − 1)))
52		eluzelcn 12830	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 ⊢ (𝑁 ∈ (ℤ_≥‘3) → 𝑁 ∈ ℂ)
53		2cnd 12286	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 ⊢ (𝑁 ∈ (ℤ_≥‘3) → 2 ∈ ℂ)
54		1cnd 11205	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 ⊢ (𝑁 ∈ (ℤ_≥‘3) → 1 ∈ ℂ)
55	52, 53, 54	subsubd 11595	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 ⊢ (𝑁 ∈ (ℤ_≥‘3) → (𝑁 − (2 − 1)) = ((𝑁 − 2) + 1))
56	51, 55	eqtrd 2772	. . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 ⊢ (𝑁 ∈ (ℤ_≥‘3) → (𝑁 − 1) = ((𝑁 − 2) + 1))
57	56	adantl 482	. . . . . . . . . . . . . . . . . . . . . . . . . . . 28 ⊢ ((𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)) → (𝑁 − 1) = ((𝑁 − 2) + 1))
58	57	adantl 482	. . . . . . . . . . . . . . . . . . . . . . . . . . 27 ⊢ (((𝑎 ∈ Word 𝑉 ∧ (♯‘𝑎) = (𝑁 − 2)) ∧ (𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3))) → (𝑁 − 1) = ((𝑁 − 2) + 1))
59	58	adantr 481	. . . . . . . . . . . . . . . . . . . . . . . . . 26 ⊢ ((((𝑎 ∈ Word 𝑉 ∧ (♯‘𝑎) = (𝑁 − 2)) ∧ (𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3))) ∧ 𝑏 ∈ 𝑉) → (𝑁 − 1) = ((𝑁 − 2) + 1))
60	59	fveq2d 6892	. . . . . . . . . . . . . . . . . . . . . . . . 25 ⊢ ((((𝑎 ∈ Word 𝑉 ∧ (♯‘𝑎) = (𝑁 − 2)) ∧ (𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3))) ∧ 𝑏 ∈ 𝑉) → (((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩)‘(𝑁 − 1)) = (((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩)‘((𝑁 − 2) + 1)))
61		simpll 765	. . . . . . . . . . . . . . . . . . . . . . . . . 26 ⊢ ((((𝑎 ∈ Word 𝑉 ∧ (♯‘𝑎) = (𝑁 − 2)) ∧ (𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3))) ∧ 𝑏 ∈ 𝑉) → (𝑎 ∈ Word 𝑉 ∧ (♯‘𝑎) = (𝑁 − 2)))
62		simprl 769	. . . . . . . . . . . . . . . . . . . . . . . . . . 27 ⊢ (((𝑎 ∈ Word 𝑉 ∧ (♯‘𝑎) = (𝑁 − 2)) ∧ (𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3))) → 𝑋 ∈ 𝑉)
63	62	anim1i 615	. . . . . . . . . . . . . . . . . . . . . . . . . 26 ⊢ ((((𝑎 ∈ Word 𝑉 ∧ (♯‘𝑎) = (𝑁 − 2)) ∧ (𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3))) ∧ 𝑏 ∈ 𝑉) → (𝑋 ∈ 𝑉 ∧ 𝑏 ∈ 𝑉))
64		ccatw2s1p2 14583	. . . . . . . . . . . . . . . . . . . . . . . . . 26 ⊢ (((𝑎 ∈ Word 𝑉 ∧ (♯‘𝑎) = (𝑁 − 2)) ∧ (𝑋 ∈ 𝑉 ∧ 𝑏 ∈ 𝑉)) → (((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩)‘((𝑁 − 2) + 1)) = 𝑏)
65	61, 63, 64	syl2anc 584	. . . . . . . . . . . . . . . . . . . . . . . . 25 ⊢ ((((𝑎 ∈ Word 𝑉 ∧ (♯‘𝑎) = (𝑁 − 2)) ∧ (𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3))) ∧ 𝑏 ∈ 𝑉) → (((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩)‘((𝑁 − 2) + 1)) = 𝑏)
66	60, 65	eqtr2d 2773	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ ((((𝑎 ∈ Word 𝑉 ∧ (♯‘𝑎) = (𝑁 − 2)) ∧ (𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3))) ∧ 𝑏 ∈ 𝑉) → 𝑏 = (((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩)‘(𝑁 − 1)))
67	48, 66	opeq12d 4880	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ ((((𝑎 ∈ Word 𝑉 ∧ (♯‘𝑎) = (𝑁 − 2)) ∧ (𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3))) ∧ 𝑏 ∈ 𝑉) → ⟨𝑎, 𝑏⟩ = ⟨(((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) prefix (𝑁 − 2)), (((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩)‘(𝑁 − 1))⟩)
68	67	exp31 420	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ ((𝑎 ∈ Word 𝑉 ∧ (♯‘𝑎) = (𝑁 − 2)) → ((𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)) → (𝑏 ∈ 𝑉 → ⟨𝑎, 𝑏⟩ = ⟨(((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) prefix (𝑁 − 2)), (((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩)‘(𝑁 − 1))⟩)))
69	68	3ad2antl1 1185	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (((𝑎 ∈ Word 𝑉 ∧ ∀𝑖 ∈ (0..^((♯‘𝑎) − 1)){(𝑎‘𝑖), (𝑎‘(𝑖 + 1))} ∈ (Edg‘𝐺) ∧ {(lastS‘𝑎), (𝑎‘0)} ∈ (Edg‘𝐺)) ∧ (♯‘𝑎) = (𝑁 − 2)) → ((𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)) → (𝑏 ∈ 𝑉 → ⟨𝑎, 𝑏⟩ = ⟨(((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) prefix (𝑁 − 2)), (((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩)‘(𝑁 − 1))⟩)))
70	69	adantr 481	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((((𝑎 ∈ Word 𝑉 ∧ ∀𝑖 ∈ (0..^((♯‘𝑎) − 1)){(𝑎‘𝑖), (𝑎‘(𝑖 + 1))} ∈ (Edg‘𝐺) ∧ {(lastS‘𝑎), (𝑎‘0)} ∈ (Edg‘𝐺)) ∧ (♯‘𝑎) = (𝑁 − 2)) ∧ (𝑎‘0) = 𝑋) → ((𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)) → (𝑏 ∈ 𝑉 → ⟨𝑎, 𝑏⟩ = ⟨(((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) prefix (𝑁 − 2)), (((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩)‘(𝑁 − 1))⟩)))
71	70	com12 32	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)) → ((((𝑎 ∈ Word 𝑉 ∧ ∀𝑖 ∈ (0..^((♯‘𝑎) − 1)){(𝑎‘𝑖), (𝑎‘(𝑖 + 1))} ∈ (Edg‘𝐺) ∧ {(lastS‘𝑎), (𝑎‘0)} ∈ (Edg‘𝐺)) ∧ (♯‘𝑎) = (𝑁 − 2)) ∧ (𝑎‘0) = 𝑋) → (𝑏 ∈ 𝑉 → ⟨𝑎, 𝑏⟩ = ⟨(((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) prefix (𝑁 − 2)), (((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩)‘(𝑁 − 1))⟩)))
72	71	3adant1 1130	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝐺 ∈ USGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)) → ((((𝑎 ∈ Word 𝑉 ∧ ∀𝑖 ∈ (0..^((♯‘𝑎) − 1)){(𝑎‘𝑖), (𝑎‘(𝑖 + 1))} ∈ (Edg‘𝐺) ∧ {(lastS‘𝑎), (𝑎‘0)} ∈ (Edg‘𝐺)) ∧ (♯‘𝑎) = (𝑁 − 2)) ∧ (𝑎‘0) = 𝑋) → (𝑏 ∈ 𝑉 → ⟨𝑎, 𝑏⟩ = ⟨(((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) prefix (𝑁 − 2)), (((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩)‘(𝑁 − 1))⟩)))
73	29, 72	sylbid 239	. . . . . . . . . . . . . . . . 17 ⊢ ((𝐺 ∈ USGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)) → (𝑎 ∈ 𝐹 → (𝑏 ∈ 𝑉 → ⟨𝑎, 𝑏⟩ = ⟨(((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) prefix (𝑁 − 2)), (((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩)‘(𝑁 − 1))⟩)))
74	73	com23 86	. . . . . . . . . . . . . . . 16 ⊢ ((𝐺 ∈ USGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)) → (𝑏 ∈ 𝑉 → (𝑎 ∈ 𝐹 → ⟨𝑎, 𝑏⟩ = ⟨(((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) prefix (𝑁 − 2)), (((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩)‘(𝑁 − 1))⟩)))
75	19, 74	syl5 34	. . . . . . . . . . . . . . 15 ⊢ ((𝐺 ∈ USGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)) → (𝑏 ∈ (𝐺 NeighbVtx 𝑋) → (𝑎 ∈ 𝐹 → ⟨𝑎, 𝑏⟩ = ⟨(((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) prefix (𝑁 − 2)), (((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩)‘(𝑁 − 1))⟩)))
76	75	com13 88	. . . . . . . . . . . . . 14 ⊢ (𝑎 ∈ 𝐹 → (𝑏 ∈ (𝐺 NeighbVtx 𝑋) → ((𝐺 ∈ USGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)) → ⟨𝑎, 𝑏⟩ = ⟨(((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) prefix (𝑁 − 2)), (((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩)‘(𝑁 − 1))⟩)))
77	76	imp 407	. . . . . . . . . . . . 13 ⊢ ((𝑎 ∈ 𝐹 ∧ 𝑏 ∈ (𝐺 NeighbVtx 𝑋)) → ((𝐺 ∈ USGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)) → ⟨𝑎, 𝑏⟩ = ⟨(((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) prefix (𝑁 − 2)), (((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩)‘(𝑁 − 1))⟩))
78	77	adantl 482	. . . . . . . . . . . 12 ⊢ ((𝑝 = ⟨𝑎, 𝑏⟩ ∧ (𝑎 ∈ 𝐹 ∧ 𝑏 ∈ (𝐺 NeighbVtx 𝑋))) → ((𝐺 ∈ USGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)) → ⟨𝑎, 𝑏⟩ = ⟨(((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) prefix (𝑁 − 2)), (((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩)‘(𝑁 − 1))⟩))
79	78	imp 407	. . . . . . . . . . 11 ⊢ (((𝑝 = ⟨𝑎, 𝑏⟩ ∧ (𝑎 ∈ 𝐹 ∧ 𝑏 ∈ (𝐺 NeighbVtx 𝑋))) ∧ (𝐺 ∈ USGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3))) → ⟨𝑎, 𝑏⟩ = ⟨(((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) prefix (𝑁 − 2)), (((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩)‘(𝑁 − 1))⟩)
80	79	adantl 482	. . . . . . . . . 10 ⊢ ((((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) ∈ (𝑋𝐶𝑁) ∧ ((𝑝 = ⟨𝑎, 𝑏⟩ ∧ (𝑎 ∈ 𝐹 ∧ 𝑏 ∈ (𝐺 NeighbVtx 𝑋))) ∧ (𝐺 ∈ USGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)))) → ⟨𝑎, 𝑏⟩ = ⟨(((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) prefix (𝑁 − 2)), (((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩)‘(𝑁 − 1))⟩)
81	18, 80	eqtrd 2772	. . . . . . . . 9 ⊢ ((((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) ∈ (𝑋𝐶𝑁) ∧ ((𝑝 = ⟨𝑎, 𝑏⟩ ∧ (𝑎 ∈ 𝐹 ∧ 𝑏 ∈ (𝐺 NeighbVtx 𝑋))) ∧ (𝐺 ∈ USGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)))) → 𝑝 = ⟨(((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) prefix (𝑁 − 2)), (((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩)‘(𝑁 − 1))⟩)
82	11, 17, 81	rspcedvd 3614	. . . . . . . 8 ⊢ ((((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) ∈ (𝑋𝐶𝑁) ∧ ((𝑝 = ⟨𝑎, 𝑏⟩ ∧ (𝑎 ∈ 𝐹 ∧ 𝑏 ∈ (𝐺 NeighbVtx 𝑋))) ∧ (𝐺 ∈ USGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)))) → ∃𝑥 ∈ (𝑋𝐶𝑁)𝑝 = (𝑇‘𝑥))
83	10, 82	mpancom 686	. . . . . . 7 ⊢ (((𝑝 = ⟨𝑎, 𝑏⟩ ∧ (𝑎 ∈ 𝐹 ∧ 𝑏 ∈ (𝐺 NeighbVtx 𝑋))) ∧ (𝐺 ∈ USGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3))) → ∃𝑥 ∈ (𝑋𝐶𝑁)𝑝 = (𝑇‘𝑥))
84	83	ex 413	. . . . . 6 ⊢ ((𝑝 = ⟨𝑎, 𝑏⟩ ∧ (𝑎 ∈ 𝐹 ∧ 𝑏 ∈ (𝐺 NeighbVtx 𝑋))) → ((𝐺 ∈ USGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)) → ∃𝑥 ∈ (𝑋𝐶𝑁)𝑝 = (𝑇‘𝑥)))
85	84	exlimivv 1935	. . . . 5 ⊢ (∃𝑎∃𝑏(𝑝 = ⟨𝑎, 𝑏⟩ ∧ (𝑎 ∈ 𝐹 ∧ 𝑏 ∈ (𝐺 NeighbVtx 𝑋))) → ((𝐺 ∈ USGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)) → ∃𝑥 ∈ (𝑋𝐶𝑁)𝑝 = (𝑇‘𝑥)))
86	6, 85	sylbi 216	. . . 4 ⊢ (𝑝 ∈ (𝐹 × (𝐺 NeighbVtx 𝑋)) → ((𝐺 ∈ USGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)) → ∃𝑥 ∈ (𝑋𝐶𝑁)𝑝 = (𝑇‘𝑥)))
87	86	impcom 408	. . 3 ⊢ (((𝐺 ∈ USGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)) ∧ 𝑝 ∈ (𝐹 × (𝐺 NeighbVtx 𝑋))) → ∃𝑥 ∈ (𝑋𝐶𝑁)𝑝 = (𝑇‘𝑥))
88	87	ralrimiva 3146	. 2 ⊢ ((𝐺 ∈ USGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)) → ∀𝑝 ∈ (𝐹 × (𝐺 NeighbVtx 𝑋))∃𝑥 ∈ (𝑋𝐶𝑁)𝑝 = (𝑇‘𝑥))
89		dffo3 7100	. 2 ⊢ (𝑇:(𝑋𝐶𝑁)–onto→(𝐹 × (𝐺 NeighbVtx 𝑋)) ↔ (𝑇:(𝑋𝐶𝑁)⟶(𝐹 × (𝐺 NeighbVtx 𝑋)) ∧ ∀𝑝 ∈ (𝐹 × (𝐺 NeighbVtx 𝑋))∃𝑥 ∈ (𝑋𝐶𝑁)𝑝 = (𝑇‘𝑥)))
90	5, 88, 89	sylanbrc 583	1 ⊢ ((𝐺 ∈ USGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)) → 𝑇:(𝑋𝐶𝑁)–onto→(𝐹 × (𝐺 NeighbVtx 𝑋)))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 205 ∧ wa 396 ∧ w3a 1087 = wceq 1541 ∃wex 1781 ∈ wcel 2106 ≠ wne 2940 ∀wral 3061 ∃wrex 3070 {crab 3432 {cpr 4629 ⟨cop 4633 ↦ cmpt 5230 × cxp 5673 ⟶wf 6536 –onto→wfo 6538 ‘cfv 6540 (class class class)co 7405 ∈ cmpo 7407 0cc0 11106 1c1 11107 + caddc 11109 − cmin 11440 2c2 12263 3c3 12264 ℤ_≥cuz 12818 ..^cfzo 13623 ♯chash 14286 Word cword 14460 lastSclsw 14508 ++ cconcat 14516 ⟨“cs1 14541 prefix cpfx 14616 Vtxcvtx 28245 Edgcedg 28296 USGraphcusgr 28398 NeighbVtx cnbgr 28578 ClWWalksNOncclwwlknon 29329

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2703 ax-rep 5284 ax-sep 5298 ax-nul 5305 ax-pow 5362 ax-pr 5426 ax-un 7721 ax-cnex 11162 ax-resscn 11163 ax-1cn 11164 ax-icn 11165 ax-addcl 11166 ax-addrcl 11167 ax-mulcl 11168 ax-mulrcl 11169 ax-mulcom 11170 ax-addass 11171 ax-mulass 11172 ax-distr 11173 ax-i2m1 11174 ax-1ne0 11175 ax-1rid 11176 ax-rnegex 11177 ax-rrecex 11178 ax-cnre 11179 ax-pre-lttri 11180 ax-pre-lttrn 11181 ax-pre-ltadd 11182 ax-pre-mulgt0 11183

This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3or 1088 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2534 df-eu 2563 df-clab 2710 df-cleq 2724 df-clel 2810 df-nfc 2885 df-ne 2941 df-nel 3047 df-ral 3062 df-rex 3071 df-reu 3377 df-rab 3433 df-v 3476 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-op 4634 df-uni 4908 df-int 4950 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 6297 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6492 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-riota 7361 df-ov 7408 df-oprab 7409 df-mpo 7410 df-om 7852 df-1st 7971 df-2nd 7972 df-frecs 8262 df-wrecs 8293 df-recs 8367 df-rdg 8406 df-1o 8462 df-2o 8463 df-oadd 8466 df-er 8699 df-map 8818 df-en 8936 df-dom 8937 df-sdom 8938 df-fin 8939 df-dju 9892 df-card 9930 df-pnf 11246 df-mnf 11247 df-xr 11248 df-ltxr 11249 df-le 11250 df-sub 11442 df-neg 11443 df-nn 12209 df-2 12271 df-3 12272 df-n0 12469 df-xnn0 12541 df-z 12555 df-uz 12819 df-rp 12971 df-fz 13481 df-fzo 13624 df-hash 14287 df-word 14461 df-lsw 14509 df-concat 14517 df-s1 14542 df-substr 14587 df-pfx 14617 df-edg 28297 df-upgr 28331 df-umgr 28332 df-usgr 28400 df-nbgr 28579 df-wwlks 29073 df-wwlksn 29074 df-clwwlk 29224 df-clwwlkn 29267 df-clwwlknon 29330

This theorem is referenced by: numclwwlk1lem2f1o 29601

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