clwwlknonclwlknonf1o - Metamath Proof Explorer

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Theorem clwwlknonclwlknonf1o 31020

Description: 𝐹 is a bijection between the two representations of closed walks of a fixed positive length on a fixed vertex. (Contributed by AV, 26-May-2022.) (Proof shortened by AV, 7-Aug-2022.) (Revised by AV, 1-Nov-2022.)

**Hypotheses**
Ref	Expression
clwwlknonclwlknonf1o.v	⊢ 𝑉 = (Vtx‘𝐺)
clwwlknonclwlknonf1o.w	⊢ 𝑊 = {𝑤 ∈ (ClWalks‘𝐺) ∣ ((♯‘(1^st ‘𝑤)) = 𝑁 ∧ ((2^nd ‘𝑤)‘0) = 𝑋)}
clwwlknonclwlknonf1o.f	⊢ 𝐹 = (𝑐 ∈ 𝑊 ↦ ((2^nd ‘𝑐) prefix (♯‘(1^st ‘𝑐))))

**Assertion**
Ref	Expression
clwwlknonclwlknonf1o	⊢ ((𝐺 ∈ USPGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) → 𝐹:𝑊⟶1-1onto(𝑋(ClWWalksNOn‘𝐺)𝑁))

Distinct variable groups: 𝐺,𝑐,𝑤 𝑁,𝑐,𝑤 𝑉,𝑐 𝑊,𝑐 𝑋,𝑐,𝑤 Allowed substitution hints: 𝐹(𝑤, 𝑐) 𝑉(𝑤) 𝑊(𝑤)

Proof of Theorem clwwlknonclwlknonf1o Dummy variable 𝑠 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		clwwlknonclwlknonf1o.w	. . 3 ⊢ 𝑊 = {𝑤 ∈ (ClWalks‘𝐺) ∣ ((♯‘(1^st ‘𝑤)) = 𝑁 ∧ ((2^nd ‘𝑤)‘0) = 𝑋)}
2		eqid 2763	. . 3 ⊢ {𝑤 ∈ (ClWalks‘𝐺) ∣ (♯‘(1^st ‘𝑤)) = 𝑁} = {𝑤 ∈ (ClWalks‘𝐺) ∣ (♯‘(1^st ‘𝑤)) = 𝑁}
3		clwwlknonclwlknonf1o.f	. . 3 ⊢ 𝐹 = (𝑐 ∈ 𝑊 ↦ ((2^nd ‘𝑐) prefix (♯‘(1^st ‘𝑐))))
4		eqid 2763	. . 3 ⊢ (𝑐 ∈ {𝑤 ∈ (ClWalks‘𝐺) ∣ (♯‘(1^st ‘𝑤)) = 𝑁} ↦ ((2^nd ‘𝑐) prefix (♯‘(1^st ‘𝑐)))) = (𝑐 ∈ {𝑤 ∈ (ClWalks‘𝐺) ∣ (♯‘(1^st ‘𝑤)) = 𝑁} ↦ ((2^nd ‘𝑐) prefix (♯‘(1^st ‘𝑐))))
5		eqid 2763	. . . . 5 ⊢ (1^st ‘𝑐) = (1^st ‘𝑐)
6		eqid 2763	. . . . 5 ⊢ (2^nd ‘𝑐) = (2^nd ‘𝑐)
7	5, 6, 2, 4	clwlknf1oclwwlkn 30732	. . . 4 ⊢ ((𝐺 ∈ USPGraph ∧ 𝑁 ∈ ℕ) → (𝑐 ∈ {𝑤 ∈ (ClWalks‘𝐺) ∣ (♯‘(1^st ‘𝑤)) = 𝑁} ↦ ((2^nd ‘𝑐) prefix (♯‘(1^st ‘𝑐)))):{𝑤 ∈ (ClWalks‘𝐺) ∣ (♯‘(1^st ‘𝑤)) = 𝑁}⟶1-1onto(𝑁 ClWWalksN 𝐺))
8	7	3adant2 1149	. . 3 ⊢ ((𝐺 ∈ USPGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) → (𝑐 ∈ {𝑤 ∈ (ClWalks‘𝐺) ∣ (♯‘(1^st ‘𝑤)) = 𝑁} ↦ ((2^nd ‘𝑐) prefix (♯‘(1^st ‘𝑐)))):{𝑤 ∈ (ClWalks‘𝐺) ∣ (♯‘(1^st ‘𝑤)) = 𝑁}⟶1-1onto(𝑁 ClWWalksN 𝐺))
9		fveq1 6915	. . . . . . 7 ⊢ (𝑠 = ((2^nd ‘𝑐) prefix (♯‘(1^st ‘𝑐))) → (𝑠‘0) = (((2^nd ‘𝑐) prefix (♯‘(1^st ‘𝑐)))‘0))
10	9	3ad2ant3 1153	. . . . . 6 ⊢ (((𝐺 ∈ USPGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) ∧ 𝑐 ∈ {𝑤 ∈ (ClWalks‘𝐺) ∣ (♯‘(1^st ‘𝑤)) = 𝑁} ∧ 𝑠 = ((2^nd ‘𝑐) prefix (♯‘(1^st ‘𝑐)))) → (𝑠‘0) = (((2^nd ‘𝑐) prefix (♯‘(1^st ‘𝑐)))‘0))
11		2fveq3 6921	. . . . . . . . . . . 12 ⊢ (𝑤 = 𝑐 → (♯‘(1^st ‘𝑤)) = (♯‘(1^st ‘𝑐)))
12	11	eqeq1d 2765	. . . . . . . . . . 11 ⊢ (𝑤 = 𝑐 → ((♯‘(1^st ‘𝑤)) = 𝑁 ↔ (♯‘(1^st ‘𝑐)) = 𝑁))
13	12	elrab 3648	. . . . . . . . . 10 ⊢ (𝑐 ∈ {𝑤 ∈ (ClWalks‘𝐺) ∣ (♯‘(1^st ‘𝑤)) = 𝑁} ↔ (𝑐 ∈ (ClWalks‘𝐺) ∧ (♯‘(1^st ‘𝑐)) = 𝑁))
14		clwlkwlk 30419	. . . . . . . . . . . 12 ⊢ (𝑐 ∈ (ClWalks‘𝐺) → 𝑐 ∈ (Walks‘𝐺))
15		wlkcpr 30266	. . . . . . . . . . . . 13 ⊢ (𝑐 ∈ (Walks‘𝐺) ↔ (1^st ‘𝑐)(Walks‘𝐺)(2^nd ‘𝑐))
16		eqid 2763	. . . . . . . . . . . . . . . . 17 ⊢ (Vtx‘𝐺) = (Vtx‘𝐺)
17	16	wlkpwrd 30255	. . . . . . . . . . . . . . . 16 ⊢ ((1^st ‘𝑐)(Walks‘𝐺)(2^nd ‘𝑐) → (2^nd ‘𝑐) ∈ Word (Vtx‘𝐺))
18	17	3ad2ant1 1151	. . . . . . . . . . . . . . 15 ⊢ (((1^st ‘𝑐)(Walks‘𝐺)(2^nd ‘𝑐) ∧ (♯‘(1^st ‘𝑐)) = 𝑁 ∧ (𝐺 ∈ USPGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ)) → (2^nd ‘𝑐) ∈ Word (Vtx‘𝐺))
19		elnnuz 13045	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (𝑁 ∈ ℕ ↔ 𝑁 ∈ (ℤ_≥‘1))
20		eluzfz2 13705	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (𝑁 ∈ (ℤ_≥‘1) → 𝑁 ∈ (1...𝑁))
21	19, 20	sylbi 220	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑁 ∈ ℕ → 𝑁 ∈ (1...𝑁))
22		fzelp1 13750	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑁 ∈ (1...𝑁) → 𝑁 ∈ (1...(𝑁 + 1)))
23	21, 22	syl 18	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝑁 ∈ ℕ → 𝑁 ∈ (1...(𝑁 + 1)))
24	23	3ad2ant3 1153	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝐺 ∈ USPGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) → 𝑁 ∈ (1...(𝑁 + 1)))
25	24	3ad2ant3 1153	. . . . . . . . . . . . . . . . 17 ⊢ (((1^st ‘𝑐)(Walks‘𝐺)(2^nd ‘𝑐) ∧ (♯‘(1^st ‘𝑐)) = 𝑁 ∧ (𝐺 ∈ USPGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ)) → 𝑁 ∈ (1...(𝑁 + 1)))
26		id 23	. . . . . . . . . . . . . . . . . . 19 ⊢ ((♯‘(1^st ‘𝑐)) = 𝑁 → (♯‘(1^st ‘𝑐)) = 𝑁)
27		oveq1 7458	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((♯‘(1^st ‘𝑐)) = 𝑁 → ((♯‘(1^st ‘𝑐)) + 1) = (𝑁 + 1))
28	27	oveq2d 7467	. . . . . . . . . . . . . . . . . . 19 ⊢ ((♯‘(1^st ‘𝑐)) = 𝑁 → (1...((♯‘(1^st ‘𝑐)) + 1)) = (1...(𝑁 + 1)))
29	26, 28	eleq12d 2858	. . . . . . . . . . . . . . . . . 18 ⊢ ((♯‘(1^st ‘𝑐)) = 𝑁 → ((♯‘(1^st ‘𝑐)) ∈ (1...((♯‘(1^st ‘𝑐)) + 1)) ↔ 𝑁 ∈ (1...(𝑁 + 1))))
30	29	3ad2ant2 1152	. . . . . . . . . . . . . . . . 17 ⊢ (((1^st ‘𝑐)(Walks‘𝐺)(2^nd ‘𝑐) ∧ (♯‘(1^st ‘𝑐)) = 𝑁 ∧ (𝐺 ∈ USPGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ)) → ((♯‘(1^st ‘𝑐)) ∈ (1...((♯‘(1^st ‘𝑐)) + 1)) ↔ 𝑁 ∈ (1...(𝑁 + 1))))
31	25, 30	mpbird 260	. . . . . . . . . . . . . . . 16 ⊢ (((1^st ‘𝑐)(Walks‘𝐺)(2^nd ‘𝑐) ∧ (♯‘(1^st ‘𝑐)) = 𝑁 ∧ (𝐺 ∈ USPGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ)) → (♯‘(1^st ‘𝑐)) ∈ (1...((♯‘(1^st ‘𝑐)) + 1)))
32		wlklenvp1 30256	. . . . . . . . . . . . . . . . . . 19 ⊢ ((1^st ‘𝑐)(Walks‘𝐺)(2^nd ‘𝑐) → (♯‘(2^nd ‘𝑐)) = ((♯‘(1^st ‘𝑐)) + 1))
33	32	oveq2d 7467	. . . . . . . . . . . . . . . . . 18 ⊢ ((1^st ‘𝑐)(Walks‘𝐺)(2^nd ‘𝑐) → (1...(♯‘(2^nd ‘𝑐))) = (1...((♯‘(1^st ‘𝑐)) + 1)))
34	33	eleq2d 2850	. . . . . . . . . . . . . . . . 17 ⊢ ((1^st ‘𝑐)(Walks‘𝐺)(2^nd ‘𝑐) → ((♯‘(1^st ‘𝑐)) ∈ (1...(♯‘(2^nd ‘𝑐))) ↔ (♯‘(1^st ‘𝑐)) ∈ (1...((♯‘(1^st ‘𝑐)) + 1))))
35	34	3ad2ant1 1151	. . . . . . . . . . . . . . . 16 ⊢ (((1^st ‘𝑐)(Walks‘𝐺)(2^nd ‘𝑐) ∧ (♯‘(1^st ‘𝑐)) = 𝑁 ∧ (𝐺 ∈ USPGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ)) → ((♯‘(1^st ‘𝑐)) ∈ (1...(♯‘(2^nd ‘𝑐))) ↔ (♯‘(1^st ‘𝑐)) ∈ (1...((♯‘(1^st ‘𝑐)) + 1))))
36	31, 35	mpbird 260	. . . . . . . . . . . . . . 15 ⊢ (((1^st ‘𝑐)(Walks‘𝐺)(2^nd ‘𝑐) ∧ (♯‘(1^st ‘𝑐)) = 𝑁 ∧ (𝐺 ∈ USPGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ)) → (♯‘(1^st ‘𝑐)) ∈ (1...(♯‘(2^nd ‘𝑐))))
37	18, 36	jca 521	. . . . . . . . . . . . . 14 ⊢ (((1^st ‘𝑐)(Walks‘𝐺)(2^nd ‘𝑐) ∧ (♯‘(1^st ‘𝑐)) = 𝑁 ∧ (𝐺 ∈ USPGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ)) → ((2^nd ‘𝑐) ∈ Word (Vtx‘𝐺) ∧ (♯‘(1^st ‘𝑐)) ∈ (1...(♯‘(2^nd ‘𝑐)))))
38	37	3exp 1137	. . . . . . . . . . . . 13 ⊢ ((1^st ‘𝑐)(Walks‘𝐺)(2^nd ‘𝑐) → ((♯‘(1^st ‘𝑐)) = 𝑁 → ((𝐺 ∈ USPGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) → ((2^nd ‘𝑐) ∈ Word (Vtx‘𝐺) ∧ (♯‘(1^st ‘𝑐)) ∈ (1...(♯‘(2^nd ‘𝑐)))))))
39	15, 38	sylbi 220	. . . . . . . . . . . 12 ⊢ (𝑐 ∈ (Walks‘𝐺) → ((♯‘(1^st ‘𝑐)) = 𝑁 → ((𝐺 ∈ USPGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) → ((2^nd ‘𝑐) ∈ Word (Vtx‘𝐺) ∧ (♯‘(1^st ‘𝑐)) ∈ (1...(♯‘(2^nd ‘𝑐)))))))
40	14, 39	syl 18	. . . . . . . . . . 11 ⊢ (𝑐 ∈ (ClWalks‘𝐺) → ((♯‘(1^st ‘𝑐)) = 𝑁 → ((𝐺 ∈ USPGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) → ((2^nd ‘𝑐) ∈ Word (Vtx‘𝐺) ∧ (♯‘(1^st ‘𝑐)) ∈ (1...(♯‘(2^nd ‘𝑐)))))))
41	40	imp 412	. . . . . . . . . 10 ⊢ ((𝑐 ∈ (ClWalks‘𝐺) ∧ (♯‘(1^st ‘𝑐)) = 𝑁) → ((𝐺 ∈ USPGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) → ((2^nd ‘𝑐) ∈ Word (Vtx‘𝐺) ∧ (♯‘(1^st ‘𝑐)) ∈ (1...(♯‘(2^nd ‘𝑐))))))
42	13, 41	sylbi 220	. . . . . . . . 9 ⊢ (𝑐 ∈ {𝑤 ∈ (ClWalks‘𝐺) ∣ (♯‘(1^st ‘𝑤)) = 𝑁} → ((𝐺 ∈ USPGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) → ((2^nd ‘𝑐) ∈ Word (Vtx‘𝐺) ∧ (♯‘(1^st ‘𝑐)) ∈ (1...(♯‘(2^nd ‘𝑐))))))
43	42	impcom 413	. . . . . . . 8 ⊢ (((𝐺 ∈ USPGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) ∧ 𝑐 ∈ {𝑤 ∈ (ClWalks‘𝐺) ∣ (♯‘(1^st ‘𝑤)) = 𝑁}) → ((2^nd ‘𝑐) ∈ Word (Vtx‘𝐺) ∧ (♯‘(1^st ‘𝑐)) ∈ (1...(♯‘(2^nd ‘𝑐)))))
44		pfxfv0 14883	. . . . . . . 8 ⊢ (((2^nd ‘𝑐) ∈ Word (Vtx‘𝐺) ∧ (♯‘(1^st ‘𝑐)) ∈ (1...(♯‘(2^nd ‘𝑐)))) → (((2^nd ‘𝑐) prefix (♯‘(1^st ‘𝑐)))‘0) = ((2^nd ‘𝑐)‘0))
45	43, 44	syl 18	. . . . . . 7 ⊢ (((𝐺 ∈ USPGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) ∧ 𝑐 ∈ {𝑤 ∈ (ClWalks‘𝐺) ∣ (♯‘(1^st ‘𝑤)) = 𝑁}) → (((2^nd ‘𝑐) prefix (♯‘(1^st ‘𝑐)))‘0) = ((2^nd ‘𝑐)‘0))
46	45	3adant3 1150	. . . . . 6 ⊢ (((𝐺 ∈ USPGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) ∧ 𝑐 ∈ {𝑤 ∈ (ClWalks‘𝐺) ∣ (♯‘(1^st ‘𝑤)) = 𝑁} ∧ 𝑠 = ((2^nd ‘𝑐) prefix (♯‘(1^st ‘𝑐)))) → (((2^nd ‘𝑐) prefix (♯‘(1^st ‘𝑐)))‘0) = ((2^nd ‘𝑐)‘0))
47	10, 46	eqtrd 2798	. . . . 5 ⊢ (((𝐺 ∈ USPGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) ∧ 𝑐 ∈ {𝑤 ∈ (ClWalks‘𝐺) ∣ (♯‘(1^st ‘𝑤)) = 𝑁} ∧ 𝑠 = ((2^nd ‘𝑐) prefix (♯‘(1^st ‘𝑐)))) → (𝑠‘0) = ((2^nd ‘𝑐)‘0))
48	47	eqeq1d 2765	. . . 4 ⊢ (((𝐺 ∈ USPGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) ∧ 𝑐 ∈ {𝑤 ∈ (ClWalks‘𝐺) ∣ (♯‘(1^st ‘𝑤)) = 𝑁} ∧ 𝑠 = ((2^nd ‘𝑐) prefix (♯‘(1^st ‘𝑐)))) → ((𝑠‘0) = 𝑋 ↔ ((2^nd ‘𝑐)‘0) = 𝑋))
49		nfv 1949	. . . . 5 ⊢ Ⅎ𝑤((2^nd ‘𝑐)‘0) = 𝑋
50		fveq2 6916	. . . . . . 7 ⊢ (𝑤 = 𝑐 → (2^nd ‘𝑤) = (2^nd ‘𝑐))
51	50	fveq1d 6918	. . . . . 6 ⊢ (𝑤 = 𝑐 → ((2^nd ‘𝑤)‘0) = ((2^nd ‘𝑐)‘0))
52	51	eqeq1d 2765	. . . . 5 ⊢ (𝑤 = 𝑐 → (((2^nd ‘𝑤)‘0) = 𝑋 ↔ ((2^nd ‘𝑐)‘0) = 𝑋))
53	49, 52	sbiev 2349	. . . 4 ⊢ ([𝑐 / 𝑤]((2^nd ‘𝑤)‘0) = 𝑋 ↔ ((2^nd ‘𝑐)‘0) = 𝑋)
54	48, 53	bitr4di 292	. . 3 ⊢ (((𝐺 ∈ USPGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) ∧ 𝑐 ∈ {𝑤 ∈ (ClWalks‘𝐺) ∣ (♯‘(1^st ‘𝑤)) = 𝑁} ∧ 𝑠 = ((2^nd ‘𝑐) prefix (♯‘(1^st ‘𝑐)))) → ((𝑠‘0) = 𝑋 ↔ [𝑐 / 𝑤]((2^nd ‘𝑤)‘0) = 𝑋))
55	1, 2, 3, 4, 8, 54	f1ossf1o 7161	. 2 ⊢ ((𝐺 ∈ USPGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) → 𝐹:𝑊⟶1-1onto{𝑠 ∈ (𝑁 ClWWalksN 𝐺) ∣ (𝑠‘0) = 𝑋})
56		clwwlknon 30738	. . 3 ⊢ (𝑋(ClWWalksNOn‘𝐺)𝑁) = {𝑠 ∈ (𝑁 ClWWalksN 𝐺) ∣ (𝑠‘0) = 𝑋}
57		f1oeq3 6844	. . 3 ⊢ ((𝑋(ClWWalksNOn‘𝐺)𝑁) = {𝑠 ∈ (𝑁 ClWWalksN 𝐺) ∣ (𝑠‘0) = 𝑋} → (𝐹:𝑊⟶1-1onto(𝑋(ClWWalksNOn‘𝐺)𝑁) ↔ 𝐹:𝑊⟶1-1onto{𝑠 ∈ (𝑁 ClWWalksN 𝐺) ∣ (𝑠‘0) = 𝑋}))
58	56, 57	ax-mp 5	. 2 ⊢ (𝐹:𝑊⟶1-1onto(𝑋(ClWWalksNOn‘𝐺)𝑁) ↔ 𝐹:𝑊⟶1-1onto{𝑠 ∈ (𝑁 ClWWalksN 𝐺) ∣ (𝑠‘0) = 𝑋})
59	55, 58	sylibr 237	1 ⊢ ((𝐺 ∈ USPGraph ∧ 𝑋 ∈ 𝑉 ∧ 𝑁 ∈ ℕ) → 𝐹:𝑊⟶1-1onto(𝑋(ClWWalksNOn‘𝐺)𝑁))

Colors of variables: wff setvar class

This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ wa 401 ∧ w3a 1103 = wceq 1570 [wsb 2101 ∈ wcel 2147 {crab 3416 class class class wbr 5108 ↦ cmpt 5192 ⟶1-1ontowf1o 6565 ‘cfv 6566 (class class class)co 7451 1^st c1st 8033 2^nd c2nd 8034 0cc0 11239 1c1 11240 + caddc 11242 ℕcn 12375 ℤ_≥cuz 13005 ...cfz 13679 ♯chash 14515 Word cword 14699 prefix cpfx 14862 Vtxcvtx 29631 USPGraphcuspgr 29786 Walkscwlks 30234 ClWalkscclwlks 30414 ClWWalksN cclwwlkn 30672 ClWWalksNOncclwwlknon 30735

This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-rep 5238 ax-sep 5255 ax-nul 5266 ax-pow 5334 ax-pr 5398 ax-un 7783 ax-cnex 11295 ax-resscn 11296 ax-1cn 11297 ax-icn 11298 ax-addcl 11299 ax-addrcl 11300 ax-mulcl 11301 ax-mulrcl 11302 ax-mulcom 11303 ax-addass 11304 ax-mulass 11305 ax-distr 11306 ax-i2m1 11307 ax-1ne0 11308 ax-1rid 11309 ax-rnegex 11310 ax-rrecex 11311 ax-cnre 11312 ax-pre-lttri 11313 ax-pre-lttrn 11314 ax-pre-ltadd 11315 ax-pre-mulgt0 11316

This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-ifp 1079 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4841 df-uni 4873 df-int 4913 df-iun 4958 df-br 5109 df-opab 5174 df-mpt 5193 df-tr 5219 df-id 5553 df-eprel 5558 df-po 5566 df-so 5567 df-fr 5611 df-we 5613 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-rn 5669 df-res 5670 df-ima 5671 df-pred 6330 df-ord 6391 df-on 6392 df-lim 6393 df-suc 6394 df-iota 6520 df-fun 6568 df-fn 6569 df-f 6570 df-f1 6571 df-fo 6572 df-f1o 6573 df-fv 6574 df-riota 7408 df-ov 7454 df-oprab 7455 df-mpo 7456 df-om 7912 df-1st 8035 df-2nd 8036 df-frecs 8337 df-wrecs 8368 df-recs 8417 df-rdg 8456 df-1o 8514 df-2o 8515 df-oadd 8518 df-er 8755 df-map 8887 df-pm 8888 df-en 9012 df-dom 9013 df-sdom 9014 df-fin 9015 df-dju 10019 df-card 10057 df-pnf 11384 df-mnf 11385 df-xr 11386 df-ltxr 11387 df-le 11388 df-sub 11582 df-neg 11583 df-nn 12376 df-2 12445 df-n0 12647 df-xnn0 12720 df-z 12734 df-uz 13006 df-rp 13161 df-fz 13680 df-fzo 13829 df-hash 14516 df-word 14700 df-lsw 14749 df-concat 14757 df-s1 14784 df-substr 14831 df-pfx 14863 df-edg 29683 df-uhgr 29693 df-upgr 29717 df-uspgr 29788 df-wlks 30237 df-clwlks 30415 df-clwwlk 30630 df-clwwlkn 30673 df-clwwlknon 30736

This theorem is used by: clwwlknonclwlknonen 31021 dlwwlknondlwlknonf1o 31023

W3C validator