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Theorem rusgrnumwwlkl1 26935
 Description: In a k-regular graph, there are k walks (as word) of length 1 starting at each vertex. (Contributed by Alexander van der Vekens, 28-Jul-2018.) (Revised by AV, 7-May-2021.)
Hypothesis
Ref Expression
rusgrnumwwlkl1.v 𝑉 = (Vtx‘𝐺)
Assertion
Ref Expression
rusgrnumwwlkl1 ((𝐺RegUSGraph𝐾𝑃𝑉) → (#‘{𝑤 ∈ (1 WWalksN 𝐺) ∣ (𝑤‘0) = 𝑃}) = 𝐾)
Distinct variable groups:   𝑤,𝐺   𝑤,𝐾   𝑤,𝑃   𝑤,𝑉

Proof of Theorem rusgrnumwwlkl1
Dummy variable 𝑖 is distinct from all other variables.
StepHypRef Expression
1 1nn0 11346 . . . . . . . . 9 1 ∈ ℕ0
2 iswwlksn 26786 . . . . . . . . 9 (1 ∈ ℕ0 → (𝑤 ∈ (1 WWalksN 𝐺) ↔ (𝑤 ∈ (WWalks‘𝐺) ∧ (#‘𝑤) = (1 + 1))))
31, 2ax-mp 5 . . . . . . . 8 (𝑤 ∈ (1 WWalksN 𝐺) ↔ (𝑤 ∈ (WWalks‘𝐺) ∧ (#‘𝑤) = (1 + 1)))
4 rusgrnumwwlkl1.v . . . . . . . . . 10 𝑉 = (Vtx‘𝐺)
5 eqid 2651 . . . . . . . . . 10 (Edg‘𝐺) = (Edg‘𝐺)
64, 5iswwlks 26784 . . . . . . . . 9 (𝑤 ∈ (WWalks‘𝐺) ↔ (𝑤 ≠ ∅ ∧ 𝑤 ∈ Word 𝑉 ∧ ∀𝑖 ∈ (0..^((#‘𝑤) − 1)){(𝑤𝑖), (𝑤‘(𝑖 + 1))} ∈ (Edg‘𝐺)))
76anbi1i 731 . . . . . . . 8 ((𝑤 ∈ (WWalks‘𝐺) ∧ (#‘𝑤) = (1 + 1)) ↔ ((𝑤 ≠ ∅ ∧ 𝑤 ∈ Word 𝑉 ∧ ∀𝑖 ∈ (0..^((#‘𝑤) − 1)){(𝑤𝑖), (𝑤‘(𝑖 + 1))} ∈ (Edg‘𝐺)) ∧ (#‘𝑤) = (1 + 1)))
83, 7bitri 264 . . . . . . 7 (𝑤 ∈ (1 WWalksN 𝐺) ↔ ((𝑤 ≠ ∅ ∧ 𝑤 ∈ Word 𝑉 ∧ ∀𝑖 ∈ (0..^((#‘𝑤) − 1)){(𝑤𝑖), (𝑤‘(𝑖 + 1))} ∈ (Edg‘𝐺)) ∧ (#‘𝑤) = (1 + 1)))
98a1i 11 . . . . . 6 ((𝐺RegUSGraph𝐾𝑃𝑉) → (𝑤 ∈ (1 WWalksN 𝐺) ↔ ((𝑤 ≠ ∅ ∧ 𝑤 ∈ Word 𝑉 ∧ ∀𝑖 ∈ (0..^((#‘𝑤) − 1)){(𝑤𝑖), (𝑤‘(𝑖 + 1))} ∈ (Edg‘𝐺)) ∧ (#‘𝑤) = (1 + 1))))
109anbi1d 741 . . . . 5 ((𝐺RegUSGraph𝐾𝑃𝑉) → ((𝑤 ∈ (1 WWalksN 𝐺) ∧ (𝑤‘0) = 𝑃) ↔ (((𝑤 ≠ ∅ ∧ 𝑤 ∈ Word 𝑉 ∧ ∀𝑖 ∈ (0..^((#‘𝑤) − 1)){(𝑤𝑖), (𝑤‘(𝑖 + 1))} ∈ (Edg‘𝐺)) ∧ (#‘𝑤) = (1 + 1)) ∧ (𝑤‘0) = 𝑃)))
11 1p1e2 11172 . . . . . . . . . . 11 (1 + 1) = 2
1211eqeq2i 2663 . . . . . . . . . 10 ((#‘𝑤) = (1 + 1) ↔ (#‘𝑤) = 2)
1312a1i 11 . . . . . . . . 9 ((𝐺RegUSGraph𝐾𝑃𝑉) → ((#‘𝑤) = (1 + 1) ↔ (#‘𝑤) = 2))
1413anbi2d 740 . . . . . . . 8 ((𝐺RegUSGraph𝐾𝑃𝑉) → (((𝑤 ≠ ∅ ∧ 𝑤 ∈ Word 𝑉 ∧ ∀𝑖 ∈ (0..^((#‘𝑤) − 1)){(𝑤𝑖), (𝑤‘(𝑖 + 1))} ∈ (Edg‘𝐺)) ∧ (#‘𝑤) = (1 + 1)) ↔ ((𝑤 ≠ ∅ ∧ 𝑤 ∈ Word 𝑉 ∧ ∀𝑖 ∈ (0..^((#‘𝑤) − 1)){(𝑤𝑖), (𝑤‘(𝑖 + 1))} ∈ (Edg‘𝐺)) ∧ (#‘𝑤) = 2)))
15 3anass 1059 . . . . . . . . . . . 12 ((𝑤 ≠ ∅ ∧ 𝑤 ∈ Word 𝑉 ∧ ∀𝑖 ∈ (0..^((#‘𝑤) − 1)){(𝑤𝑖), (𝑤‘(𝑖 + 1))} ∈ (Edg‘𝐺)) ↔ (𝑤 ≠ ∅ ∧ (𝑤 ∈ Word 𝑉 ∧ ∀𝑖 ∈ (0..^((#‘𝑤) − 1)){(𝑤𝑖), (𝑤‘(𝑖 + 1))} ∈ (Edg‘𝐺))))
1615a1i 11 . . . . . . . . . . 11 (((𝐺RegUSGraph𝐾𝑃𝑉) ∧ (#‘𝑤) = 2) → ((𝑤 ≠ ∅ ∧ 𝑤 ∈ Word 𝑉 ∧ ∀𝑖 ∈ (0..^((#‘𝑤) − 1)){(𝑤𝑖), (𝑤‘(𝑖 + 1))} ∈ (Edg‘𝐺)) ↔ (𝑤 ≠ ∅ ∧ (𝑤 ∈ Word 𝑉 ∧ ∀𝑖 ∈ (0..^((#‘𝑤) − 1)){(𝑤𝑖), (𝑤‘(𝑖 + 1))} ∈ (Edg‘𝐺)))))
17 fveq2 6229 . . . . . . . . . . . . . . . 16 (𝑤 = ∅ → (#‘𝑤) = (#‘∅))
18 hash0 13196 . . . . . . . . . . . . . . . 16 (#‘∅) = 0
1917, 18syl6eq 2701 . . . . . . . . . . . . . . 15 (𝑤 = ∅ → (#‘𝑤) = 0)
20 2ne0 11151 . . . . . . . . . . . . . . . . 17 2 ≠ 0
2120nesymi 2880 . . . . . . . . . . . . . . . 16 ¬ 0 = 2
22 eqeq1 2655 . . . . . . . . . . . . . . . 16 ((#‘𝑤) = 0 → ((#‘𝑤) = 2 ↔ 0 = 2))
2321, 22mtbiri 316 . . . . . . . . . . . . . . 15 ((#‘𝑤) = 0 → ¬ (#‘𝑤) = 2)
2419, 23syl 17 . . . . . . . . . . . . . 14 (𝑤 = ∅ → ¬ (#‘𝑤) = 2)
2524necon2ai 2852 . . . . . . . . . . . . 13 ((#‘𝑤) = 2 → 𝑤 ≠ ∅)
2625adantl 481 . . . . . . . . . . . 12 (((𝐺RegUSGraph𝐾𝑃𝑉) ∧ (#‘𝑤) = 2) → 𝑤 ≠ ∅)
2726biantrurd 528 . . . . . . . . . . 11 (((𝐺RegUSGraph𝐾𝑃𝑉) ∧ (#‘𝑤) = 2) → ((𝑤 ∈ Word 𝑉 ∧ ∀𝑖 ∈ (0..^((#‘𝑤) − 1)){(𝑤𝑖), (𝑤‘(𝑖 + 1))} ∈ (Edg‘𝐺)) ↔ (𝑤 ≠ ∅ ∧ (𝑤 ∈ Word 𝑉 ∧ ∀𝑖 ∈ (0..^((#‘𝑤) − 1)){(𝑤𝑖), (𝑤‘(𝑖 + 1))} ∈ (Edg‘𝐺)))))
28 oveq1 6697 . . . . . . . . . . . . . . . . 17 ((#‘𝑤) = 2 → ((#‘𝑤) − 1) = (2 − 1))
29 2m1e1 11173 . . . . . . . . . . . . . . . . 17 (2 − 1) = 1
3028, 29syl6eq 2701 . . . . . . . . . . . . . . . 16 ((#‘𝑤) = 2 → ((#‘𝑤) − 1) = 1)
3130oveq2d 6706 . . . . . . . . . . . . . . 15 ((#‘𝑤) = 2 → (0..^((#‘𝑤) − 1)) = (0..^1))
3231adantl 481 . . . . . . . . . . . . . 14 (((𝐺RegUSGraph𝐾𝑃𝑉) ∧ (#‘𝑤) = 2) → (0..^((#‘𝑤) − 1)) = (0..^1))
3332raleqdv 3174 . . . . . . . . . . . . 13 (((𝐺RegUSGraph𝐾𝑃𝑉) ∧ (#‘𝑤) = 2) → (∀𝑖 ∈ (0..^((#‘𝑤) − 1)){(𝑤𝑖), (𝑤‘(𝑖 + 1))} ∈ (Edg‘𝐺) ↔ ∀𝑖 ∈ (0..^1){(𝑤𝑖), (𝑤‘(𝑖 + 1))} ∈ (Edg‘𝐺)))
34 fzo01 12590 . . . . . . . . . . . . . . 15 (0..^1) = {0}
3534raleqi 3172 . . . . . . . . . . . . . 14 (∀𝑖 ∈ (0..^1){(𝑤𝑖), (𝑤‘(𝑖 + 1))} ∈ (Edg‘𝐺) ↔ ∀𝑖 ∈ {0} {(𝑤𝑖), (𝑤‘(𝑖 + 1))} ∈ (Edg‘𝐺))
36 c0ex 10072 . . . . . . . . . . . . . . 15 0 ∈ V
37 fveq2 6229 . . . . . . . . . . . . . . . . 17 (𝑖 = 0 → (𝑤𝑖) = (𝑤‘0))
38 oveq1 6697 . . . . . . . . . . . . . . . . . . 19 (𝑖 = 0 → (𝑖 + 1) = (0 + 1))
39 0p1e1 11170 . . . . . . . . . . . . . . . . . . 19 (0 + 1) = 1
4038, 39syl6eq 2701 . . . . . . . . . . . . . . . . . 18 (𝑖 = 0 → (𝑖 + 1) = 1)
4140fveq2d 6233 . . . . . . . . . . . . . . . . 17 (𝑖 = 0 → (𝑤‘(𝑖 + 1)) = (𝑤‘1))
4237, 41preq12d 4308 . . . . . . . . . . . . . . . 16 (𝑖 = 0 → {(𝑤𝑖), (𝑤‘(𝑖 + 1))} = {(𝑤‘0), (𝑤‘1)})
4342eleq1d 2715 . . . . . . . . . . . . . . 15 (𝑖 = 0 → ({(𝑤𝑖), (𝑤‘(𝑖 + 1))} ∈ (Edg‘𝐺) ↔ {(𝑤‘0), (𝑤‘1)} ∈ (Edg‘𝐺)))
4436, 43ralsn 4254 . . . . . . . . . . . . . 14 (∀𝑖 ∈ {0} {(𝑤𝑖), (𝑤‘(𝑖 + 1))} ∈ (Edg‘𝐺) ↔ {(𝑤‘0), (𝑤‘1)} ∈ (Edg‘𝐺))
4535, 44bitri 264 . . . . . . . . . . . . 13 (∀𝑖 ∈ (0..^1){(𝑤𝑖), (𝑤‘(𝑖 + 1))} ∈ (Edg‘𝐺) ↔ {(𝑤‘0), (𝑤‘1)} ∈ (Edg‘𝐺))
4633, 45syl6bb 276 . . . . . . . . . . . 12 (((𝐺RegUSGraph𝐾𝑃𝑉) ∧ (#‘𝑤) = 2) → (∀𝑖 ∈ (0..^((#‘𝑤) − 1)){(𝑤𝑖), (𝑤‘(𝑖 + 1))} ∈ (Edg‘𝐺) ↔ {(𝑤‘0), (𝑤‘1)} ∈ (Edg‘𝐺)))
4746anbi2d 740 . . . . . . . . . . 11 (((𝐺RegUSGraph𝐾𝑃𝑉) ∧ (#‘𝑤) = 2) → ((𝑤 ∈ Word 𝑉 ∧ ∀𝑖 ∈ (0..^((#‘𝑤) − 1)){(𝑤𝑖), (𝑤‘(𝑖 + 1))} ∈ (Edg‘𝐺)) ↔ (𝑤 ∈ Word 𝑉 ∧ {(𝑤‘0), (𝑤‘1)} ∈ (Edg‘𝐺))))
4816, 27, 473bitr2d 296 . . . . . . . . . 10 (((𝐺RegUSGraph𝐾𝑃𝑉) ∧ (#‘𝑤) = 2) → ((𝑤 ≠ ∅ ∧ 𝑤 ∈ Word 𝑉 ∧ ∀𝑖 ∈ (0..^((#‘𝑤) − 1)){(𝑤𝑖), (𝑤‘(𝑖 + 1))} ∈ (Edg‘𝐺)) ↔ (𝑤 ∈ Word 𝑉 ∧ {(𝑤‘0), (𝑤‘1)} ∈ (Edg‘𝐺))))
4948ex 449 . . . . . . . . 9 ((𝐺RegUSGraph𝐾𝑃𝑉) → ((#‘𝑤) = 2 → ((𝑤 ≠ ∅ ∧ 𝑤 ∈ Word 𝑉 ∧ ∀𝑖 ∈ (0..^((#‘𝑤) − 1)){(𝑤𝑖), (𝑤‘(𝑖 + 1))} ∈ (Edg‘𝐺)) ↔ (𝑤 ∈ Word 𝑉 ∧ {(𝑤‘0), (𝑤‘1)} ∈ (Edg‘𝐺)))))
5049pm5.32rd 673 . . . . . . . 8 ((𝐺RegUSGraph𝐾𝑃𝑉) → (((𝑤 ≠ ∅ ∧ 𝑤 ∈ Word 𝑉 ∧ ∀𝑖 ∈ (0..^((#‘𝑤) − 1)){(𝑤𝑖), (𝑤‘(𝑖 + 1))} ∈ (Edg‘𝐺)) ∧ (#‘𝑤) = 2) ↔ ((𝑤 ∈ Word 𝑉 ∧ {(𝑤‘0), (𝑤‘1)} ∈ (Edg‘𝐺)) ∧ (#‘𝑤) = 2)))
5114, 50bitrd 268 . . . . . . 7 ((𝐺RegUSGraph𝐾𝑃𝑉) → (((𝑤 ≠ ∅ ∧ 𝑤 ∈ Word 𝑉 ∧ ∀𝑖 ∈ (0..^((#‘𝑤) − 1)){(𝑤𝑖), (𝑤‘(𝑖 + 1))} ∈ (Edg‘𝐺)) ∧ (#‘𝑤) = (1 + 1)) ↔ ((𝑤 ∈ Word 𝑉 ∧ {(𝑤‘0), (𝑤‘1)} ∈ (Edg‘𝐺)) ∧ (#‘𝑤) = 2)))
5251anbi1d 741 . . . . . 6 ((𝐺RegUSGraph𝐾𝑃𝑉) → ((((𝑤 ≠ ∅ ∧ 𝑤 ∈ Word 𝑉 ∧ ∀𝑖 ∈ (0..^((#‘𝑤) − 1)){(𝑤𝑖), (𝑤‘(𝑖 + 1))} ∈ (Edg‘𝐺)) ∧ (#‘𝑤) = (1 + 1)) ∧ (𝑤‘0) = 𝑃) ↔ (((𝑤 ∈ Word 𝑉 ∧ {(𝑤‘0), (𝑤‘1)} ∈ (Edg‘𝐺)) ∧ (#‘𝑤) = 2) ∧ (𝑤‘0) = 𝑃)))
53 anass 682 . . . . . 6 ((((𝑤 ∈ Word 𝑉 ∧ {(𝑤‘0), (𝑤‘1)} ∈ (Edg‘𝐺)) ∧ (#‘𝑤) = 2) ∧ (𝑤‘0) = 𝑃) ↔ ((𝑤 ∈ Word 𝑉 ∧ {(𝑤‘0), (𝑤‘1)} ∈ (Edg‘𝐺)) ∧ ((#‘𝑤) = 2 ∧ (𝑤‘0) = 𝑃)))
5452, 53syl6bb 276 . . . . 5 ((𝐺RegUSGraph𝐾𝑃𝑉) → ((((𝑤 ≠ ∅ ∧ 𝑤 ∈ Word 𝑉 ∧ ∀𝑖 ∈ (0..^((#‘𝑤) − 1)){(𝑤𝑖), (𝑤‘(𝑖 + 1))} ∈ (Edg‘𝐺)) ∧ (#‘𝑤) = (1 + 1)) ∧ (𝑤‘0) = 𝑃) ↔ ((𝑤 ∈ Word 𝑉 ∧ {(𝑤‘0), (𝑤‘1)} ∈ (Edg‘𝐺)) ∧ ((#‘𝑤) = 2 ∧ (𝑤‘0) = 𝑃))))
55 anass 682 . . . . . . 7 (((𝑤 ∈ Word 𝑉 ∧ {(𝑤‘0), (𝑤‘1)} ∈ (Edg‘𝐺)) ∧ ((#‘𝑤) = 2 ∧ (𝑤‘0) = 𝑃)) ↔ (𝑤 ∈ Word 𝑉 ∧ ({(𝑤‘0), (𝑤‘1)} ∈ (Edg‘𝐺) ∧ ((#‘𝑤) = 2 ∧ (𝑤‘0) = 𝑃))))
56 ancom 465 . . . . . . . . 9 (({(𝑤‘0), (𝑤‘1)} ∈ (Edg‘𝐺) ∧ ((#‘𝑤) = 2 ∧ (𝑤‘0) = 𝑃)) ↔ (((#‘𝑤) = 2 ∧ (𝑤‘0) = 𝑃) ∧ {(𝑤‘0), (𝑤‘1)} ∈ (Edg‘𝐺)))
57 df-3an 1056 . . . . . . . . 9 (((#‘𝑤) = 2 ∧ (𝑤‘0) = 𝑃 ∧ {(𝑤‘0), (𝑤‘1)} ∈ (Edg‘𝐺)) ↔ (((#‘𝑤) = 2 ∧ (𝑤‘0) = 𝑃) ∧ {(𝑤‘0), (𝑤‘1)} ∈ (Edg‘𝐺)))
5856, 57bitr4i 267 . . . . . . . 8 (({(𝑤‘0), (𝑤‘1)} ∈ (Edg‘𝐺) ∧ ((#‘𝑤) = 2 ∧ (𝑤‘0) = 𝑃)) ↔ ((#‘𝑤) = 2 ∧ (𝑤‘0) = 𝑃 ∧ {(𝑤‘0), (𝑤‘1)} ∈ (Edg‘𝐺)))
5958anbi2i 730 . . . . . . 7 ((𝑤 ∈ Word 𝑉 ∧ ({(𝑤‘0), (𝑤‘1)} ∈ (Edg‘𝐺) ∧ ((#‘𝑤) = 2 ∧ (𝑤‘0) = 𝑃))) ↔ (𝑤 ∈ Word 𝑉 ∧ ((#‘𝑤) = 2 ∧ (𝑤‘0) = 𝑃 ∧ {(𝑤‘0), (𝑤‘1)} ∈ (Edg‘𝐺))))
6055, 59bitri 264 . . . . . 6 (((𝑤 ∈ Word 𝑉 ∧ {(𝑤‘0), (𝑤‘1)} ∈ (Edg‘𝐺)) ∧ ((#‘𝑤) = 2 ∧ (𝑤‘0) = 𝑃)) ↔ (𝑤 ∈ Word 𝑉 ∧ ((#‘𝑤) = 2 ∧ (𝑤‘0) = 𝑃 ∧ {(𝑤‘0), (𝑤‘1)} ∈ (Edg‘𝐺))))
6160a1i 11 . . . . 5 ((𝐺RegUSGraph𝐾𝑃𝑉) → (((𝑤 ∈ Word 𝑉 ∧ {(𝑤‘0), (𝑤‘1)} ∈ (Edg‘𝐺)) ∧ ((#‘𝑤) = 2 ∧ (𝑤‘0) = 𝑃)) ↔ (𝑤 ∈ Word 𝑉 ∧ ((#‘𝑤) = 2 ∧ (𝑤‘0) = 𝑃 ∧ {(𝑤‘0), (𝑤‘1)} ∈ (Edg‘𝐺)))))
6210, 54, 613bitrd 294 . . . 4 ((𝐺RegUSGraph𝐾𝑃𝑉) → ((𝑤 ∈ (1 WWalksN 𝐺) ∧ (𝑤‘0) = 𝑃) ↔ (𝑤 ∈ Word 𝑉 ∧ ((#‘𝑤) = 2 ∧ (𝑤‘0) = 𝑃 ∧ {(𝑤‘0), (𝑤‘1)} ∈ (Edg‘𝐺)))))
6362rabbidva2 3217 . . 3 ((𝐺RegUSGraph𝐾𝑃𝑉) → {𝑤 ∈ (1 WWalksN 𝐺) ∣ (𝑤‘0) = 𝑃} = {𝑤 ∈ Word 𝑉 ∣ ((#‘𝑤) = 2 ∧ (𝑤‘0) = 𝑃 ∧ {(𝑤‘0), (𝑤‘1)} ∈ (Edg‘𝐺))})
6463fveq2d 6233 . 2 ((𝐺RegUSGraph𝐾𝑃𝑉) → (#‘{𝑤 ∈ (1 WWalksN 𝐺) ∣ (𝑤‘0) = 𝑃}) = (#‘{𝑤 ∈ Word 𝑉 ∣ ((#‘𝑤) = 2 ∧ (𝑤‘0) = 𝑃 ∧ {(𝑤‘0), (𝑤‘1)} ∈ (Edg‘𝐺))}))
654rusgrnumwrdl2 26538 . 2 ((𝐺RegUSGraph𝐾𝑃𝑉) → (#‘{𝑤 ∈ Word 𝑉 ∣ ((#‘𝑤) = 2 ∧ (𝑤‘0) = 𝑃 ∧ {(𝑤‘0), (𝑤‘1)} ∈ (Edg‘𝐺))}) = 𝐾)
6664, 65eqtrd 2685 1 ((𝐺RegUSGraph𝐾𝑃𝑉) → (#‘{𝑤 ∈ (1 WWalksN 𝐺) ∣ (𝑤‘0) = 𝑃}) = 𝐾)
 Colors of variables: wff setvar class Syntax hints:  ¬ wn 3   → wi 4   ↔ wb 196   ∧ wa 383   ∧ w3a 1054   = wceq 1523   ∈ wcel 2030   ≠ wne 2823  ∀wral 2941  {crab 2945  ∅c0 3948  {csn 4210  {cpr 4212   class class class wbr 4685  ‘cfv 5926  (class class class)co 6690  0cc0 9974  1c1 9975   + caddc 9977   − cmin 10304  2c2 11108  ℕ0cn0 11330  ..^cfzo 12504  #chash 13157  Word cword 13323  Vtxcvtx 25919  Edgcedg 25984  RegUSGraphcrusgr 26508  WWalkscwwlks 26773   WWalksN cwwlksn 26774 This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1762  ax-4 1777  ax-5 1879  ax-6 1945  ax-7 1981  ax-8 2032  ax-9 2039  ax-10 2059  ax-11 2074  ax-12 2087  ax-13 2282  ax-ext 2631  ax-rep 4804  ax-sep 4814  ax-nul 4822  ax-pow 4873  ax-pr 4936  ax-un 6991  ax-cnex 10030  ax-resscn 10031  ax-1cn 10032  ax-icn 10033  ax-addcl 10034  ax-addrcl 10035  ax-mulcl 10036  ax-mulrcl 10037  ax-mulcom 10038  ax-addass 10039  ax-mulass 10040  ax-distr 10041  ax-i2m1 10042  ax-1ne0 10043  ax-1rid 10044  ax-rnegex 10045  ax-rrecex 10046  ax-cnre 10047  ax-pre-lttri 10048  ax-pre-lttrn 10049  ax-pre-ltadd 10050  ax-pre-mulgt0 10051 This theorem depends on definitions:  df-bi 197  df-or 384  df-an 385  df-3or 1055  df-3an 1056  df-tru 1526  df-fal 1529  df-ex 1745  df-nf 1750  df-sb 1938  df-eu 2502  df-mo 2503  df-clab 2638  df-cleq 2644  df-clel 2647  df-nfc 2782  df-ne 2824  df-nel 2927  df-ral 2946  df-rex 2947  df-reu 2948  df-rmo 2949  df-rab 2950  df-v 3233  df-sbc 3469  df-csb 3567  df-dif 3610  df-un 3612  df-in 3614  df-ss 3621  df-pss 3623  df-nul 3949  df-if 4120  df-pw 4193  df-sn 4211  df-pr 4213  df-tp 4215  df-op 4217  df-uni 4469  df-int 4508  df-iun 4554  df-br 4686  df-opab 4746  df-mpt 4763  df-tr 4786  df-id 5053  df-eprel 5058  df-po 5064  df-so 5065  df-fr 5102  df-we 5104  df-xp 5149  df-rel 5150  df-cnv 5151  df-co 5152  df-dm 5153  df-rn 5154  df-res 5155  df-ima 5156  df-pred 5718  df-ord 5764  df-on 5765  df-lim 5766  df-suc 5767  df-iota 5889  df-fun 5928  df-fn 5929  df-f 5930  df-f1 5931  df-fo 5932  df-f1o 5933  df-fv 5934  df-riota 6651  df-ov 6693  df-oprab 6694  df-mpt2 6695  df-om 7108  df-1st 7210  df-2nd 7211  df-wrecs 7452  df-recs 7513  df-rdg 7551  df-1o 7605  df-2o 7606  df-oadd 7609  df-er 7787  df-map 7901  df-pm 7902  df-en 7998  df-dom 7999  df-sdom 8000  df-fin 8001  df-card 8803  df-cda 9028  df-pnf 10114  df-mnf 10115  df-xr 10116  df-ltxr 10117  df-le 10118  df-sub 10306  df-neg 10307  df-nn 11059  df-2 11117  df-n0 11331  df-xnn0 11402  df-z 11416  df-uz 11726  df-xadd 11985  df-fz 12365  df-fzo 12505  df-hash 13158  df-word 13331  df-edg 25985  df-uhgr 25998  df-ushgr 25999  df-upgr 26022  df-umgr 26023  df-uspgr 26090  df-usgr 26091  df-nbgr 26270  df-vtxdg 26418  df-rgr 26509  df-rusgr 26510  df-wwlks 26778  df-wwlksn 26779 This theorem is referenced by:  rusgrnumwwlkb1  26939
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