clwwlknonwwlknonbOLD - Metamath Proof Explorer

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Theorem clwwlknonwwlknonbOLD 27255

Description: Obsolete version of clwwlknonwwlknonb 27254 as of 27-Mar-2022. (Contributed by AV, 4-Mar-2022.) (Proof shortened by AV, 16-Mar-2022.) (Proof modification is discouraged.) (New usage is discouraged.)

**Hypothesis**
Ref	Expression
clwwlknonwwlknonb.v	⊢ 𝑉 = (Vtx‘𝐺)

**Assertion**
Ref	Expression
clwwlknonwwlknonbOLD	⊢ ((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) → (𝑊 ∈ (𝑋(ClWWalksNOn‘𝐺)𝑁) ↔ (𝑊 ++ ⟨“𝑋”⟩) ∈ (𝑋(𝑁 WWalksNOn 𝐺)𝑋)))

**Proof of Theorem clwwlknonwwlknonbOLD**
Step	Hyp	Ref	Expression
1		s1eq 13570	. . . . . . . . . 10 ⊢ ((𝑊‘0) = 𝑋 → ⟨“(𝑊‘0)”⟩ = ⟨“𝑋”⟩)
2	1	oveq2d 6829	. . . . . . . . 9 ⊢ ((𝑊‘0) = 𝑋 → (𝑊 ++ ⟨“(𝑊‘0)”⟩) = (𝑊 ++ ⟨“𝑋”⟩))
3	2	eleq1d 2824	. . . . . . . 8 ⊢ ((𝑊‘0) = 𝑋 → ((𝑊 ++ ⟨“(𝑊‘0)”⟩) ∈ (𝑁 WWalksN 𝐺) ↔ (𝑊 ++ ⟨“𝑋”⟩) ∈ (𝑁 WWalksN 𝐺)))
4	3	biimpac 504	. . . . . . 7 ⊢ (((𝑊 ++ ⟨“(𝑊‘0)”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ (𝑊‘0) = 𝑋) → (𝑊 ++ ⟨“𝑋”⟩) ∈ (𝑁 WWalksN 𝐺))
5	4	adantl 473	. . . . . 6 ⊢ (((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) ∧ ((𝑊 ++ ⟨“(𝑊‘0)”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ (𝑊‘0) = 𝑋)) → (𝑊 ++ ⟨“𝑋”⟩) ∈ (𝑁 WWalksN 𝐺))
6		nnnn0 11491	. . . . . . . . . . 11 ⊢ (𝑁 ∈ ℕ → 𝑁 ∈ ℕ₀)
7	6	anim2i 594	. . . . . . . . . 10 ⊢ ((𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ℕ) → (𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ℕ₀))
8	7	3adant2 1126	. . . . . . . . 9 ⊢ ((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) → (𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ℕ₀))
9		wwlksnprcl 26942	. . . . . . . . 9 ⊢ ((𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ℕ₀) → ((𝑊 ++ ⟨“(𝑊‘0)”⟩) ∈ (𝑁 WWalksN 𝐺) → (♯‘𝑊) = 𝑁))
10	8, 9	syl 17	. . . . . . . 8 ⊢ ((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) → ((𝑊 ++ ⟨“(𝑊‘0)”⟩) ∈ (𝑁 WWalksN 𝐺) → (♯‘𝑊) = 𝑁))
11		simp1 1131	. . . . . . . . . . . 12 ⊢ ((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) → 𝑊 ∈ Word 𝑉)
12	11	adantr 472	. . . . . . . . . . 11 ⊢ (((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) ∧ (♯‘𝑊) = 𝑁) → 𝑊 ∈ Word 𝑉)
13		simp2 1132	. . . . . . . . . . . 12 ⊢ ((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) → 𝑋 ∈ 𝑉)
14	13	adantr 472	. . . . . . . . . . 11 ⊢ (((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) ∧ (♯‘𝑊) = 𝑁) → 𝑋 ∈ 𝑉)
15		simpr 479	. . . . . . . . . . . 12 ⊢ (((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) ∧ (♯‘𝑊) = 𝑁) → (♯‘𝑊) = 𝑁)
16	15	eqcomd 2766	. . . . . . . . . . 11 ⊢ (((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) ∧ (♯‘𝑊) = 𝑁) → 𝑁 = (♯‘𝑊))
17		ccats1val2 13601	. . . . . . . . . . 11 ⊢ ((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 = (♯‘𝑊)) → ((𝑊 ++ ⟨“𝑋”⟩)‘𝑁) = 𝑋)
18	12, 14, 16, 17	syl3anc 1477	. . . . . . . . . 10 ⊢ (((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) ∧ (♯‘𝑊) = 𝑁) → ((𝑊 ++ ⟨“𝑋”⟩)‘𝑁) = 𝑋)
19	18	a1d 25	. . . . . . . . 9 ⊢ (((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) ∧ (♯‘𝑊) = 𝑁) → ((𝑊‘0) = 𝑋 → ((𝑊 ++ ⟨“𝑋”⟩)‘𝑁) = 𝑋))
20	19	ex 449	. . . . . . . 8 ⊢ ((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) → ((♯‘𝑊) = 𝑁 → ((𝑊‘0) = 𝑋 → ((𝑊 ++ ⟨“𝑋”⟩)‘𝑁) = 𝑋)))
21	10, 20	syld 47	. . . . . . 7 ⊢ ((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) → ((𝑊 ++ ⟨“(𝑊‘0)”⟩) ∈ (𝑁 WWalksN 𝐺) → ((𝑊‘0) = 𝑋 → ((𝑊 ++ ⟨“𝑋”⟩)‘𝑁) = 𝑋)))
22	21	imp32 448	. . . . . 6 ⊢ (((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) ∧ ((𝑊 ++ ⟨“(𝑊‘0)”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ (𝑊‘0) = 𝑋)) → ((𝑊 ++ ⟨“𝑋”⟩)‘𝑁) = 𝑋)
23	11	adantr 472	. . . . . . . 8 ⊢ (((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) ∧ ((𝑊 ++ ⟨“(𝑊‘0)”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ (𝑊‘0) = 𝑋)) → 𝑊 ∈ Word 𝑉)
24	13	adantr 472	. . . . . . . 8 ⊢ (((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) ∧ ((𝑊 ++ ⟨“(𝑊‘0)”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ (𝑊‘0) = 𝑋)) → 𝑋 ∈ 𝑉)
25		eleq1 2827	. . . . . . . . . . . . . . . 16 ⊢ (𝑁 = (♯‘𝑊) → (𝑁 ∈ ℕ ↔ (♯‘𝑊) ∈ ℕ))
26	25	eqcoms 2768	. . . . . . . . . . . . . . 15 ⊢ ((♯‘𝑊) = 𝑁 → (𝑁 ∈ ℕ ↔ (♯‘𝑊) ∈ ℕ))
27	26	biimpd 219	. . . . . . . . . . . . . 14 ⊢ ((♯‘𝑊) = 𝑁 → (𝑁 ∈ ℕ → (♯‘𝑊) ∈ ℕ))
28	27	a1i 11	. . . . . . . . . . . . 13 ⊢ ((𝑊‘0) = 𝑋 → ((♯‘𝑊) = 𝑁 → (𝑁 ∈ ℕ → (♯‘𝑊) ∈ ℕ)))
29	28	com13 88	. . . . . . . . . . . 12 ⊢ (𝑁 ∈ ℕ → ((♯‘𝑊) = 𝑁 → ((𝑊‘0) = 𝑋 → (♯‘𝑊) ∈ ℕ)))
30	29	3ad2ant3 1130	. . . . . . . . . . 11 ⊢ ((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) → ((♯‘𝑊) = 𝑁 → ((𝑊‘0) = 𝑋 → (♯‘𝑊) ∈ ℕ)))
31	10, 30	syld 47	. . . . . . . . . 10 ⊢ ((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) → ((𝑊 ++ ⟨“(𝑊‘0)”⟩) ∈ (𝑁 WWalksN 𝐺) → ((𝑊‘0) = 𝑋 → (♯‘𝑊) ∈ ℕ)))
32	31	imp32 448	. . . . . . . . 9 ⊢ (((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) ∧ ((𝑊 ++ ⟨“(𝑊‘0)”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ (𝑊‘0) = 𝑋)) → (♯‘𝑊) ∈ ℕ)
33		lbfzo0 12702	. . . . . . . . 9 ⊢ (0 ∈ (0..^(♯‘𝑊)) ↔ (♯‘𝑊) ∈ ℕ)
34	32, 33	sylibr 224	. . . . . . . 8 ⊢ (((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) ∧ ((𝑊 ++ ⟨“(𝑊‘0)”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ (𝑊‘0) = 𝑋)) → 0 ∈ (0..^(♯‘𝑊)))
35		ccats1val1 13600	. . . . . . . 8 ⊢ ((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 0 ∈ (0..^(♯‘𝑊))) → ((𝑊 ++ ⟨“𝑋”⟩)‘0) = (𝑊‘0))
36	23, 24, 34, 35	syl3anc 1477	. . . . . . 7 ⊢ (((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) ∧ ((𝑊 ++ ⟨“(𝑊‘0)”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ (𝑊‘0) = 𝑋)) → ((𝑊 ++ ⟨“𝑋”⟩)‘0) = (𝑊‘0))
37		simpr 479	. . . . . . . 8 ⊢ (((𝑊 ++ ⟨“(𝑊‘0)”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ (𝑊‘0) = 𝑋) → (𝑊‘0) = 𝑋)
38	37	adantl 473	. . . . . . 7 ⊢ (((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) ∧ ((𝑊 ++ ⟨“(𝑊‘0)”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ (𝑊‘0) = 𝑋)) → (𝑊‘0) = 𝑋)
39	36, 38	eqtrd 2794	. . . . . 6 ⊢ (((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) ∧ ((𝑊 ++ ⟨“(𝑊‘0)”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ (𝑊‘0) = 𝑋)) → ((𝑊 ++ ⟨“𝑋”⟩)‘0) = 𝑋)
40	5, 22, 39	jca31 558	. . . . 5 ⊢ (((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) ∧ ((𝑊 ++ ⟨“(𝑊‘0)”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ (𝑊‘0) = 𝑋)) → (((𝑊 ++ ⟨“𝑋”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ ((𝑊 ++ ⟨“𝑋”⟩)‘𝑁) = 𝑋) ∧ ((𝑊 ++ ⟨“𝑋”⟩)‘0) = 𝑋))
41	40	ex 449	. . . 4 ⊢ ((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) → (((𝑊 ++ ⟨“(𝑊‘0)”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ (𝑊‘0) = 𝑋) → (((𝑊 ++ ⟨“𝑋”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ ((𝑊 ++ ⟨“𝑋”⟩)‘𝑁) = 𝑋) ∧ ((𝑊 ++ ⟨“𝑋”⟩)‘0) = 𝑋)))
42		wwlksnprcl 26942	. . . . . . . . . . . . . . . 16 ⊢ ((𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ℕ₀) → ((𝑊 ++ ⟨“𝑋”⟩) ∈ (𝑁 WWalksN 𝐺) → (♯‘𝑊) = 𝑁))
43	8, 42	syl 17	. . . . . . . . . . . . . . 15 ⊢ ((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) → ((𝑊 ++ ⟨“𝑋”⟩) ∈ (𝑁 WWalksN 𝐺) → (♯‘𝑊) = 𝑁))
44		eleq1a 2834	. . . . . . . . . . . . . . . 16 ⊢ (𝑁 ∈ ℕ → ((♯‘𝑊) = 𝑁 → (♯‘𝑊) ∈ ℕ))
45	44	3ad2ant3 1130	. . . . . . . . . . . . . . 15 ⊢ ((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) → ((♯‘𝑊) = 𝑁 → (♯‘𝑊) ∈ ℕ))
46	43, 45	syld 47	. . . . . . . . . . . . . 14 ⊢ ((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) → ((𝑊 ++ ⟨“𝑋”⟩) ∈ (𝑁 WWalksN 𝐺) → (♯‘𝑊) ∈ ℕ))
47	46	impcom 445	. . . . . . . . . . . . 13 ⊢ (((𝑊 ++ ⟨“𝑋”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ (𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ)) → (♯‘𝑊) ∈ ℕ)
48	47, 33	sylibr 224	. . . . . . . . . . . 12 ⊢ (((𝑊 ++ ⟨“𝑋”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ (𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ)) → 0 ∈ (0..^(♯‘𝑊)))
49	11, 13, 48, 35	syl2an23an 1534	. . . . . . . . . . 11 ⊢ (((𝑊 ++ ⟨“𝑋”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ (𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ)) → ((𝑊 ++ ⟨“𝑋”⟩)‘0) = (𝑊‘0))
50	49	eqeq1d 2762	. . . . . . . . . 10 ⊢ (((𝑊 ++ ⟨“𝑋”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ (𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ)) → (((𝑊 ++ ⟨“𝑋”⟩)‘0) = 𝑋 ↔ (𝑊‘0) = 𝑋))
51	50	biimpd 219	. . . . . . . . 9 ⊢ (((𝑊 ++ ⟨“𝑋”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ (𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ)) → (((𝑊 ++ ⟨“𝑋”⟩)‘0) = 𝑋 → (𝑊‘0) = 𝑋))
52	51	ex 449	. . . . . . . 8 ⊢ ((𝑊 ++ ⟨“𝑋”⟩) ∈ (𝑁 WWalksN 𝐺) → ((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) → (((𝑊 ++ ⟨“𝑋”⟩)‘0) = 𝑋 → (𝑊‘0) = 𝑋)))
53	52	com23 86	. . . . . . 7 ⊢ ((𝑊 ++ ⟨“𝑋”⟩) ∈ (𝑁 WWalksN 𝐺) → (((𝑊 ++ ⟨“𝑋”⟩)‘0) = 𝑋 → ((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) → (𝑊‘0) = 𝑋)))
54	53	adantr 472	. . . . . 6 ⊢ (((𝑊 ++ ⟨“𝑋”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ ((𝑊 ++ ⟨“𝑋”⟩)‘𝑁) = 𝑋) → (((𝑊 ++ ⟨“𝑋”⟩)‘0) = 𝑋 → ((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) → (𝑊‘0) = 𝑋)))
55	54	imp 444	. . . . 5 ⊢ ((((𝑊 ++ ⟨“𝑋”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ ((𝑊 ++ ⟨“𝑋”⟩)‘𝑁) = 𝑋) ∧ ((𝑊 ++ ⟨“𝑋”⟩)‘0) = 𝑋) → ((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) → (𝑊‘0) = 𝑋))
56		s1eq 13570	. . . . . . . . . . . . 13 ⊢ (𝑋 = (𝑊‘0) → ⟨“𝑋”⟩ = ⟨“(𝑊‘0)”⟩)
57	56	eqcoms 2768	. . . . . . . . . . . 12 ⊢ ((𝑊‘0) = 𝑋 → ⟨“𝑋”⟩ = ⟨“(𝑊‘0)”⟩)
58	57	oveq2d 6829	. . . . . . . . . . 11 ⊢ ((𝑊‘0) = 𝑋 → (𝑊 ++ ⟨“𝑋”⟩) = (𝑊 ++ ⟨“(𝑊‘0)”⟩))
59	58	eleq1d 2824	. . . . . . . . . 10 ⊢ ((𝑊‘0) = 𝑋 → ((𝑊 ++ ⟨“𝑋”⟩) ∈ (𝑁 WWalksN 𝐺) ↔ (𝑊 ++ ⟨“(𝑊‘0)”⟩) ∈ (𝑁 WWalksN 𝐺)))
60	59	biimpac 504	. . . . . . . . 9 ⊢ (((𝑊 ++ ⟨“𝑋”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ (𝑊‘0) = 𝑋) → (𝑊 ++ ⟨“(𝑊‘0)”⟩) ∈ (𝑁 WWalksN 𝐺))
61		simpr 479	. . . . . . . . 9 ⊢ (((𝑊 ++ ⟨“𝑋”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ (𝑊‘0) = 𝑋) → (𝑊‘0) = 𝑋)
62	60, 61	jca 555	. . . . . . . 8 ⊢ (((𝑊 ++ ⟨“𝑋”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ (𝑊‘0) = 𝑋) → ((𝑊 ++ ⟨“(𝑊‘0)”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ (𝑊‘0) = 𝑋))
63	62	ex 449	. . . . . . 7 ⊢ ((𝑊 ++ ⟨“𝑋”⟩) ∈ (𝑁 WWalksN 𝐺) → ((𝑊‘0) = 𝑋 → ((𝑊 ++ ⟨“(𝑊‘0)”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ (𝑊‘0) = 𝑋)))
64	63	adantr 472	. . . . . 6 ⊢ (((𝑊 ++ ⟨“𝑋”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ ((𝑊 ++ ⟨“𝑋”⟩)‘𝑁) = 𝑋) → ((𝑊‘0) = 𝑋 → ((𝑊 ++ ⟨“(𝑊‘0)”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ (𝑊‘0) = 𝑋)))
65	64	adantr 472	. . . . 5 ⊢ ((((𝑊 ++ ⟨“𝑋”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ ((𝑊 ++ ⟨“𝑋”⟩)‘𝑁) = 𝑋) ∧ ((𝑊 ++ ⟨“𝑋”⟩)‘0) = 𝑋) → ((𝑊‘0) = 𝑋 → ((𝑊 ++ ⟨“(𝑊‘0)”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ (𝑊‘0) = 𝑋)))
66	55, 65	syldc 48	. . . 4 ⊢ ((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) → ((((𝑊 ++ ⟨“𝑋”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ ((𝑊 ++ ⟨“𝑋”⟩)‘𝑁) = 𝑋) ∧ ((𝑊 ++ ⟨“𝑋”⟩)‘0) = 𝑋) → ((𝑊 ++ ⟨“(𝑊‘0)”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ (𝑊‘0) = 𝑋)))
67	41, 66	impbid 202	. . 3 ⊢ ((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) → (((𝑊 ++ ⟨“(𝑊‘0)”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ (𝑊‘0) = 𝑋) ↔ (((𝑊 ++ ⟨“𝑋”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ ((𝑊 ++ ⟨“𝑋”⟩)‘𝑁) = 𝑋) ∧ ((𝑊 ++ ⟨“𝑋”⟩)‘0) = 𝑋)))
68		clwwlknonwwlknonb.v	. . . . . 6 ⊢ 𝑉 = (Vtx‘𝐺)
69	68	clwwlknwwlksnb 27185	. . . . 5 ⊢ ((𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ℕ) → (𝑊 ∈ (𝑁 ClWWalksN 𝐺) ↔ (𝑊 ++ ⟨“(𝑊‘0)”⟩) ∈ (𝑁 WWalksN 𝐺)))
70	69	3adant2 1126	. . . 4 ⊢ ((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) → (𝑊 ∈ (𝑁 ClWWalksN 𝐺) ↔ (𝑊 ++ ⟨“(𝑊‘0)”⟩) ∈ (𝑁 WWalksN 𝐺)))
71	70	anbi1d 743	. . 3 ⊢ ((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) → ((𝑊 ∈ (𝑁 ClWWalksN 𝐺) ∧ (𝑊‘0) = 𝑋) ↔ ((𝑊 ++ ⟨“(𝑊‘0)”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ (𝑊‘0) = 𝑋)))
72		3anan32 1083	. . . 4 ⊢ (((𝑊 ++ ⟨“𝑋”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ ((𝑊 ++ ⟨“𝑋”⟩)‘0) = 𝑋 ∧ ((𝑊 ++ ⟨“𝑋”⟩)‘𝑁) = 𝑋) ↔ (((𝑊 ++ ⟨“𝑋”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ ((𝑊 ++ ⟨“𝑋”⟩)‘𝑁) = 𝑋) ∧ ((𝑊 ++ ⟨“𝑋”⟩)‘0) = 𝑋))
73	72	a1i 11	. . 3 ⊢ ((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) → (((𝑊 ++ ⟨“𝑋”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ ((𝑊 ++ ⟨“𝑋”⟩)‘0) = 𝑋 ∧ ((𝑊 ++ ⟨“𝑋”⟩)‘𝑁) = 𝑋) ↔ (((𝑊 ++ ⟨“𝑋”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ ((𝑊 ++ ⟨“𝑋”⟩)‘𝑁) = 𝑋) ∧ ((𝑊 ++ ⟨“𝑋”⟩)‘0) = 𝑋)))
74	67, 71, 73	3bitr4rd 301	. 2 ⊢ ((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) → (((𝑊 ++ ⟨“𝑋”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ ((𝑊 ++ ⟨“𝑋”⟩)‘0) = 𝑋 ∧ ((𝑊 ++ ⟨“𝑋”⟩)‘𝑁) = 𝑋) ↔ (𝑊 ∈ (𝑁 ClWWalksN 𝐺) ∧ (𝑊‘0) = 𝑋)))
75		wwlknon 26963	. . 3 ⊢ ((𝑊 ++ ⟨“𝑋”⟩) ∈ (𝑋(𝑁 WWalksNOn 𝐺)𝑋) ↔ ((𝑊 ++ ⟨“𝑋”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ ((𝑊 ++ ⟨“𝑋”⟩)‘0) = 𝑋 ∧ ((𝑊 ++ ⟨“𝑋”⟩)‘𝑁) = 𝑋))
76	75	a1i 11	. 2 ⊢ ((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) → ((𝑊 ++ ⟨“𝑋”⟩) ∈ (𝑋(𝑁 WWalksNOn 𝐺)𝑋) ↔ ((𝑊 ++ ⟨“𝑋”⟩) ∈ (𝑁 WWalksN 𝐺) ∧ ((𝑊 ++ ⟨“𝑋”⟩)‘0) = 𝑋 ∧ ((𝑊 ++ ⟨“𝑋”⟩)‘𝑁) = 𝑋)))
77	6	anim2i 594	. . . 4 ⊢ ((𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) → (𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ₀))
78	77	3adant1 1125	. . 3 ⊢ ((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) → (𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ₀))
79	68	isclwwlknonOLD 27238	. . 3 ⊢ ((𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ₀) → (𝑊 ∈ (𝑋(ClWWalksNOn‘𝐺)𝑁) ↔ (𝑊 ∈ (𝑁 ClWWalksN 𝐺) ∧ (𝑊‘0) = 𝑋)))
80	78, 79	syl 17	. 2 ⊢ ((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) → (𝑊 ∈ (𝑋(ClWWalksNOn‘𝐺)𝑁) ↔ (𝑊 ∈ (𝑁 ClWWalksN 𝐺) ∧ (𝑊‘0) = 𝑋)))
81	74, 76, 80	3bitr4rd 301	1 ⊢ ((𝑊 ∈ Word 𝑉 ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) → (𝑊 ∈ (𝑋(ClWWalksNOn‘𝐺)𝑁) ↔ (𝑊 ++ ⟨“𝑋”⟩) ∈ (𝑋(𝑁 WWalksNOn 𝐺)𝑋)))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 196 ∧ wa 383 ∧ w3a 1072 = wceq 1632 ∈ wcel 2139 ‘cfv 6049 (class class class)co 6813 0cc0 10128 ℕcn 11212 ℕ₀cn0 11484 ..^cfzo 12659 ♯chash 13311 Word cword 13477 ++ cconcat 13479 ⟨“cs1 13480 Vtxcvtx 26073 WWalksN cwwlksn 26929 WWalksNOn cwwlksnon 26930 ClWWalksN cclwwlkn 27147 ClWWalksNOncclwwlknon 27232

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1871 ax-4 1886 ax-5 1988 ax-6 2054 ax-7 2090 ax-8 2141 ax-9 2148 ax-10 2168 ax-11 2183 ax-12 2196 ax-13 2391 ax-ext 2740 ax-rep 4923 ax-sep 4933 ax-nul 4941 ax-pow 4992 ax-pr 5055 ax-un 7114 ax-cnex 10184 ax-resscn 10185 ax-1cn 10186 ax-icn 10187 ax-addcl 10188 ax-addrcl 10189 ax-mulcl 10190 ax-mulrcl 10191 ax-mulcom 10192 ax-addass 10193 ax-mulass 10194 ax-distr 10195 ax-i2m1 10196 ax-1ne0 10197 ax-1rid 10198 ax-rnegex 10199 ax-rrecex 10200 ax-cnre 10201 ax-pre-lttri 10202 ax-pre-lttrn 10203 ax-pre-ltadd 10204 ax-pre-mulgt0 10205

This theorem depends on definitions: df-bi 197 df-or 384 df-an 385 df-3or 1073 df-3an 1074 df-tru 1635 df-ex 1854 df-nf 1859 df-sb 2047 df-eu 2611 df-mo 2612 df-clab 2747 df-cleq 2753 df-clel 2756 df-nfc 2891 df-ne 2933 df-nel 3036 df-ral 3055 df-rex 3056 df-reu 3057 df-rmo 3058 df-rab 3059 df-v 3342 df-sbc 3577 df-csb 3675 df-dif 3718 df-un 3720 df-in 3722 df-ss 3729 df-pss 3731 df-nul 4059 df-if 4231 df-pw 4304 df-sn 4322 df-pr 4324 df-tp 4326 df-op 4328 df-uni 4589 df-int 4628 df-iun 4674 df-br 4805 df-opab 4865 df-mpt 4882 df-tr 4905 df-id 5174 df-eprel 5179 df-po 5187 df-so 5188 df-fr 5225 df-we 5227 df-xp 5272 df-rel 5273 df-cnv 5274 df-co 5275 df-dm 5276 df-rn 5277 df-res 5278 df-ima 5279 df-pred 5841 df-ord 5887 df-on 5888 df-lim 5889 df-suc 5890 df-iota 6012 df-fun 6051 df-fn 6052 df-f 6053 df-f1 6054 df-fo 6055 df-f1o 6056 df-fv 6057 df-riota 6774 df-ov 6816 df-oprab 6817 df-mpt2 6818 df-om 7231 df-1st 7333 df-2nd 7334 df-wrecs 7576 df-recs 7637 df-rdg 7675 df-1o 7729 df-oadd 7733 df-er 7911 df-map 8025 df-pm 8026 df-en 8122 df-dom 8123 df-sdom 8124 df-fin 8125 df-card 8955 df-cda 9182 df-pnf 10268 df-mnf 10269 df-xr 10270 df-ltxr 10271 df-le 10272 df-sub 10460 df-neg 10461 df-nn 11213 df-2 11271 df-n0 11485 df-xnn0 11556 df-z 11570 df-uz 11880 df-fz 12520 df-fzo 12660 df-hash 13312 df-word 13485 df-lsw 13486 df-concat 13487 df-s1 13488 df-wwlks 26933 df-wwlksn 26934 df-wwlksnon 26935 df-clwwlk 27105 df-clwwlkn 27149 df-clwwlknon 27233

This theorem is referenced by: (None)

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