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Theorem numclwwlk1lem2fo 30224

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 30221	. 2 ⊢ ((𝐺 ∈ USGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)) → 𝑇:(𝑋𝐶𝑁)⟶(𝐹 × (𝐺 NeighbVtx 𝑋)))
6		elxp 5700	. . . . 5 ⊢ (𝑝 ∈ (𝐹 × (𝐺 NeighbVtx 𝑋)) ↔ ∃𝑎∃𝑏(𝑝 = ⟨𝑎, 𝑏⟩ ∧ (𝑎 ∈ 𝐹 ∧ 𝑏 ∈ (𝐺 NeighbVtx 𝑋))))
7	1, 2, 3	numclwwlk1lem2foa 30220	. . . . . . . . . . 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 480	. . . . . . . . 9 ⊢ ((𝑝 = ⟨𝑎, 𝑏⟩ ∧ (𝑎 ∈ 𝐹 ∧ 𝑏 ∈ (𝐺 NeighbVtx 𝑋))) → ((𝐺 ∈ USGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)) → ((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) ∈ (𝑋𝐶𝑁)))
10	9	imp 405	. . . . . . . 8 ⊢ (((𝑝 = ⟨𝑎, 𝑏⟩ ∧ (𝑎 ∈ 𝐹 ∧ 𝑏 ∈ (𝐺 NeighbVtx 𝑋))) ∧ (𝐺 ∈ USGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3))) → ((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) ∈ (𝑋𝐶𝑁))
11		simpl 481	. . . . . . . . 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 6894	. . . . . . . . . . 11 ⊢ (𝑥 = ((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) → (𝑇‘𝑥) = (𝑇‘((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩)))
13	12	eqeq2d 2736	. . . . . . . . . 10 ⊢ (𝑥 = ((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) → (𝑝 = (𝑇‘𝑥) ↔ 𝑝 = (𝑇‘((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩))))
14	1, 2, 3, 4	numclwwlk1lem2fv 30222	. . . . . . . . . . . 12 ⊢ (((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) ∈ (𝑋𝐶𝑁) → (𝑇‘((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩)) = ⟨(((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) prefix (𝑁 − 2)), (((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩)‘(𝑁 − 1))⟩)
15	14	adantr 479	. . . . . . . . . . 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 2736	. . . . . . . . . 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 509	. . . . . . . . 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 29210	. . . . . . . . . . . . . . . 16 ⊢ (𝑏 ∈ (𝐺 NeighbVtx 𝑋) → 𝑏 ∈ 𝑉)
20	3	eleq2i 2817	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑎 ∈ 𝐹 ↔ 𝑎 ∈ (𝑋(ClWWalksNOn‘𝐺)(𝑁 − 2)))
21		uz3m2nn 12905	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (𝑁 ∈ (ℤ_≥‘3) → (𝑁 − 2) ∈ ℕ)
22	21	nnne0d 12292	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (𝑁 ∈ (ℤ_≥‘3) → (𝑁 − 2) ≠ 0)
23	22	3ad2ant3 1132	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((𝐺 ∈ USGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)) → (𝑁 − 2) ≠ 0)
24		eqid 2725	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (Edg‘𝐺) = (Edg‘𝐺)
25	1, 24	clwwlknonel 29961	. . . . . . . . . . . . . . . . . . . . 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 1086	. . . . . . . . . . . . . . . . . . 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 14584	. . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 ⊢ (𝑋 ∈ 𝑉 → ⟨“𝑋”⟩ ∈ Word 𝑉)
32	31	adantr 479	. . . . . . . . . . . . . . . . . . . . . . . . . . . 28 ⊢ ((𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)) → ⟨“𝑋”⟩ ∈ Word 𝑉)
33	32	adantl 480	. . . . . . . . . . . . . . . . . . . . . . . . . . 27 ⊢ (((𝑎 ∈ Word 𝑉 ∧ (♯‘𝑎) = (𝑁 − 2)) ∧ (𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3))) → ⟨“𝑋”⟩ ∈ Word 𝑉)
34	33	adantr 479	. . . . . . . . . . . . . . . . . . . . . . . . . 26 ⊢ ((((𝑎 ∈ Word 𝑉 ∧ (♯‘𝑎) = (𝑁 − 2)) ∧ (𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3))) ∧ 𝑏 ∈ 𝑉) → ⟨“𝑋”⟩ ∈ Word 𝑉)
35		s1cl 14584	. . . . . . . . . . . . . . . . . . . . . . . . . . 27 ⊢ (𝑏 ∈ 𝑉 → ⟨“𝑏”⟩ ∈ Word 𝑉)
36	35	adantl 480	. . . . . . . . . . . . . . . . . . . . . . . . . 26 ⊢ ((((𝑎 ∈ Word 𝑉 ∧ (♯‘𝑎) = (𝑁 − 2)) ∧ (𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3))) ∧ 𝑏 ∈ 𝑉) → ⟨“𝑏”⟩ ∈ Word 𝑉)
37		ccatass 14570	. . . . . . . . . . . . . . . . . . . . . . . . . . 27 ⊢ ((𝑎 ∈ Word 𝑉 ∧ ⟨“𝑋”⟩ ∈ Word 𝑉 ∧ ⟨“𝑏”⟩ ∈ Word 𝑉) → ((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) = (𝑎 ++ (⟨“𝑋”⟩ ++ ⟨“𝑏”⟩)))
38	37	oveq1d 7432	. . . . . . . . . . . . . . . . . . . . . . . . . 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 1368	. . . . . . . . . . . . . . . . . . . . . . . . 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 14556	. . . . . . . . . . . . . . . . . . . . . . . . . . 27 ⊢ ((⟨“𝑋”⟩ ∈ Word 𝑉 ∧ ⟨“𝑏”⟩ ∈ Word 𝑉) → (⟨“𝑋”⟩ ++ ⟨“𝑏”⟩) ∈ Word 𝑉)
41	33, 35, 40	syl2an 594	. . . . . . . . . . . . . . . . . . . . . . . . . 26 ⊢ ((((𝑎 ∈ Word 𝑉 ∧ (♯‘𝑎) = (𝑁 − 2)) ∧ (𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3))) ∧ 𝑏 ∈ 𝑉) → (⟨“𝑋”⟩ ++ ⟨“𝑏”⟩) ∈ Word 𝑉)
42		simpr 483	. . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 ⊢ ((𝑎 ∈ Word 𝑉 ∧ (♯‘𝑎) = (𝑁 − 2)) → (♯‘𝑎) = (𝑁 − 2))
43	42	eqcomd 2731	. . . . . . . . . . . . . . . . . . . . . . . . . . . 28 ⊢ ((𝑎 ∈ Word 𝑉 ∧ (♯‘𝑎) = (𝑁 − 2)) → (𝑁 − 2) = (♯‘𝑎))
44	43	adantr 479	. . . . . . . . . . . . . . . . . . . . . . . . . . 27 ⊢ (((𝑎 ∈ Word 𝑉 ∧ (♯‘𝑎) = (𝑁 − 2)) ∧ (𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3))) → (𝑁 − 2) = (♯‘𝑎))
45	44	adantr 479	. . . . . . . . . . . . . . . . . . . . . . . . . 26 ⊢ ((((𝑎 ∈ Word 𝑉 ∧ (♯‘𝑎) = (𝑁 − 2)) ∧ (𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3))) ∧ 𝑏 ∈ 𝑉) → (𝑁 − 2) = (♯‘𝑎))
46		pfxccatid 14723	. . . . . . . . . . . . . . . . . . . . . . . . . 26 ⊢ ((𝑎 ∈ Word 𝑉 ∧ (⟨“𝑋”⟩ ++ ⟨“𝑏”⟩) ∈ Word 𝑉 ∧ (𝑁 − 2) = (♯‘𝑎)) → ((𝑎 ++ (⟨“𝑋”⟩ ++ ⟨“𝑏”⟩)) prefix (𝑁 − 2)) = 𝑎)
47	30, 41, 45, 46	syl3anc 1368	. . . . . . . . . . . . . . . . . . . . . . . . 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 2766	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ ((((𝑎 ∈ Word 𝑉 ∧ (♯‘𝑎) = (𝑁 − 2)) ∧ (𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3))) ∧ 𝑏 ∈ 𝑉) → 𝑎 = (((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩) prefix (𝑁 − 2)))
49		1e2m1 12369	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 ⊢ 1 = (2 − 1)
50	49	a1i 11	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 ⊢ (𝑁 ∈ (ℤ_≥‘3) → 1 = (2 − 1))
51	50	oveq2d 7433	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 ⊢ (𝑁 ∈ (ℤ_≥‘3) → (𝑁 − 1) = (𝑁 − (2 − 1)))
52		eluzelcn 12864	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 ⊢ (𝑁 ∈ (ℤ_≥‘3) → 𝑁 ∈ ℂ)
53		2cnd 12320	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 ⊢ (𝑁 ∈ (ℤ_≥‘3) → 2 ∈ ℂ)
54		1cnd 11239	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 ⊢ (𝑁 ∈ (ℤ_≥‘3) → 1 ∈ ℂ)
55	52, 53, 54	subsubd 11629	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 ⊢ (𝑁 ∈ (ℤ_≥‘3) → (𝑁 − (2 − 1)) = ((𝑁 − 2) + 1))
56	51, 55	eqtrd 2765	. . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 ⊢ (𝑁 ∈ (ℤ_≥‘3) → (𝑁 − 1) = ((𝑁 − 2) + 1))
57	56	adantl 480	. . . . . . . . . . . . . . . . . . . . . . . . . . . 28 ⊢ ((𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)) → (𝑁 − 1) = ((𝑁 − 2) + 1))
58	57	adantl 480	. . . . . . . . . . . . . . . . . . . . . . . . . . 27 ⊢ (((𝑎 ∈ Word 𝑉 ∧ (♯‘𝑎) = (𝑁 − 2)) ∧ (𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3))) → (𝑁 − 1) = ((𝑁 − 2) + 1))
59	58	adantr 479	. . . . . . . . . . . . . . . . . . . . . . . . . 26 ⊢ ((((𝑎 ∈ Word 𝑉 ∧ (♯‘𝑎) = (𝑁 − 2)) ∧ (𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3))) ∧ 𝑏 ∈ 𝑉) → (𝑁 − 1) = ((𝑁 − 2) + 1))
60	59	fveq2d 6898	. . . . . . . . . . . . . . . . . . . . . . . . 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 613	. . . . . . . . . . . . . . . . . . . . . . . . . 26 ⊢ ((((𝑎 ∈ Word 𝑉 ∧ (♯‘𝑎) = (𝑁 − 2)) ∧ (𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3))) ∧ 𝑏 ∈ 𝑉) → (𝑋 ∈ 𝑉 ∧ 𝑏 ∈ 𝑉))
64		ccatw2s1p2 14619	. . . . . . . . . . . . . . . . . . . . . . . . . 26 ⊢ (((𝑎 ∈ Word 𝑉 ∧ (♯‘𝑎) = (𝑁 − 2)) ∧ (𝑋 ∈ 𝑉 ∧ 𝑏 ∈ 𝑉)) → (((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩)‘((𝑁 − 2) + 1)) = 𝑏)
65	61, 63, 64	syl2anc 582	. . . . . . . . . . . . . . . . . . . . . . . . 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 2766	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ ((((𝑎 ∈ Word 𝑉 ∧ (♯‘𝑎) = (𝑁 − 2)) ∧ (𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3))) ∧ 𝑏 ∈ 𝑉) → 𝑏 = (((𝑎 ++ ⟨“𝑋”⟩) ++ ⟨“𝑏”⟩)‘(𝑁 − 1)))
67	48, 66	opeq12d 4882	. . . . . . . . . . . . . . . . . . . . . . 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 418	. . . . . . . . . . . . . . . . . . . . . 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 1182	. . . . . . . . . . . . . . . . . . . . 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 479	. . . . . . . . . . . . . . . . . . . 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 1127	. . . . . . . . . . . . . . . . . 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 405	. . . . . . . . . . . . 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 480	. . . . . . . . . . . 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 405	. . . . . . . . . . 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 480	. . . . . . . . . 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 2765	. . . . . . . . 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 3609	. . . . . . . 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 411	. . . . . 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 1927	. . . . 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 406	. . 3 ⊢ (((𝐺 ∈ USGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)) ∧ 𝑝 ∈ (𝐹 × (𝐺 NeighbVtx 𝑋))) → ∃𝑥 ∈ (𝑋𝐶𝑁)𝑝 = (𝑇‘𝑥))
88	87	ralrimiva 3136	. 2 ⊢ ((𝐺 ∈ USGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ (ℤ_≥‘3)) → ∀𝑝 ∈ (𝐹 × (𝐺 NeighbVtx 𝑋))∃𝑥 ∈ (𝑋𝐶𝑁)𝑝 = (𝑇‘𝑥))
89		dffo3 7109	. 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 581	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 394 ∧ w3a 1084 = wceq 1533 ∃wex 1773 ∈ wcel 2098 ≠ wne 2930 ∀wral 3051 ∃wrex 3060 {crab 3419 {cpr 4631 ⟨cop 4635 ↦ cmpt 5231 × cxp 5675 ⟶wf 6543 –onto→wfo 6545 ‘cfv 6547 (class class class)co 7417 ∈ cmpo 7419 0cc0 11138 1c1 11139 + caddc 11141 − cmin 11474 2c2 12297 3c3 12298 ℤ_≥cuz 12852 ..^cfzo 13659 ♯chash 14321 Word cword 14496 lastSclsw 14544 ++ cconcat 14552 ⟨“cs1 14577 prefix cpfx 14652 Vtxcvtx 28865 Edgcedg 28916 USGraphcusgr 29018 NeighbVtx cnbgr 29201 ClWWalksNOncclwwlknon 29953

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1789 ax-4 1803 ax-5 1905 ax-6 1963 ax-7 2003 ax-8 2100 ax-9 2108 ax-10 2129 ax-11 2146 ax-12 2166 ax-ext 2696 ax-rep 5285 ax-sep 5299 ax-nul 5306 ax-pow 5364 ax-pr 5428 ax-un 7739 ax-cnex 11194 ax-resscn 11195 ax-1cn 11196 ax-icn 11197 ax-addcl 11198 ax-addrcl 11199 ax-mulcl 11200 ax-mulrcl 11201 ax-mulcom 11202 ax-addass 11203 ax-mulass 11204 ax-distr 11205 ax-i2m1 11206 ax-1ne0 11207 ax-1rid 11208 ax-rnegex 11209 ax-rrecex 11210 ax-cnre 11211 ax-pre-lttri 11212 ax-pre-lttrn 11213 ax-pre-ltadd 11214 ax-pre-mulgt0 11215

This theorem depends on definitions: df-bi 206 df-an 395 df-or 846 df-3or 1085 df-3an 1086 df-tru 1536 df-fal 1546 df-ex 1774 df-nf 1778 df-sb 2060 df-mo 2528 df-eu 2557 df-clab 2703 df-cleq 2717 df-clel 2802 df-nfc 2877 df-ne 2931 df-nel 3037 df-ral 3052 df-rex 3061 df-reu 3365 df-rab 3420 df-v 3465 df-sbc 3775 df-csb 3891 df-dif 3948 df-un 3950 df-in 3952 df-ss 3962 df-pss 3965 df-nul 4324 df-if 4530 df-pw 4605 df-sn 4630 df-pr 4632 df-op 4636 df-uni 4909 df-int 4950 df-iun 4998 df-br 5149 df-opab 5211 df-mpt 5232 df-tr 5266 df-id 5575 df-eprel 5581 df-po 5589 df-so 5590 df-fr 5632 df-we 5634 df-xp 5683 df-rel 5684 df-cnv 5685 df-co 5686 df-dm 5687 df-rn 5688 df-res 5689 df-ima 5690 df-pred 6305 df-ord 6372 df-on 6373 df-lim 6374 df-suc 6375 df-iota 6499 df-fun 6549 df-fn 6550 df-f 6551 df-f1 6552 df-fo 6553 df-f1o 6554 df-fv 6555 df-riota 7373 df-ov 7420 df-oprab 7421 df-mpo 7422 df-om 7870 df-1st 7992 df-2nd 7993 df-frecs 8285 df-wrecs 8316 df-recs 8390 df-rdg 8429 df-1o 8485 df-2o 8486 df-oadd 8489 df-er 8723 df-map 8845 df-en 8963 df-dom 8964 df-sdom 8965 df-fin 8966 df-dju 9924 df-card 9962 df-pnf 11280 df-mnf 11281 df-xr 11282 df-ltxr 11283 df-le 11284 df-sub 11476 df-neg 11477 df-nn 12243 df-2 12305 df-3 12306 df-n0 12503 df-xnn0 12575 df-z 12589 df-uz 12853 df-rp 13007 df-fz 13517 df-fzo 13660 df-hash 14322 df-word 14497 df-lsw 14545 df-concat 14553 df-s1 14578 df-substr 14623 df-pfx 14653 df-edg 28917 df-upgr 28951 df-umgr 28952 df-usgr 29020 df-nbgr 29202 df-wwlks 29697 df-wwlksn 29698 df-clwwlk 29848 df-clwwlkn 29891 df-clwwlknon 29954

This theorem is referenced by: numclwwlk1lem2f1o 30225

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