Metamath Proof Explorer


Theorem gpg5nbgrvtx13starlem1

Description: Lemma 1 for gpg5nbgr3star . (Contributed by AV, 7-Sep-2025)

Ref Expression
Hypotheses gpg5nbgrvtx03starlem1.j ⊢ J = 1 ..^ N 2
gpg5nbgrvtx03starlem1.g No typesetting found for |- G = ( N gPetersenGr K ) with typecode |-
gpg5nbgrvtx03starlem1.v ⊢ V = Vtx ⁡ G
gpg5nbgrvtx03starlem1.e ⊢ E = Edg ⁡ G
Assertion gpg5nbgrvtx13starlem1 ⊢ N = 5 ∧ K ∈ J ∧ X ∈ W → 1 X + K mod N 0 X ∉ E

Proof

Step Hyp Ref Expression
1 gpg5nbgrvtx03starlem1.j ⊢ J = 1 ..^ N 2
2 gpg5nbgrvtx03starlem1.g Could not format G = ( N gPetersenGr K ) : No typesetting found for |- G = ( N gPetersenGr K ) with typecode |-
3 gpg5nbgrvtx03starlem1.v ⊢ V = Vtx ⁡ G
4 gpg5nbgrvtx03starlem1.e ⊢ E = Edg ⁡ G
5 opex ⊢ 1 X + K mod N ∈ V
6 opex ⊢ 0 X ∈ V
7 5 6 pm3.2i ⊢ 1 X + K mod N ∈ V ∧ 0 X ∈ V
8 opex ⊢ 0 x ∈ V
9 opex ⊢ 0 x + 1 mod N ∈ V
10 8 9 pm3.2i ⊢ 0 x ∈ V ∧ 0 x + 1 mod N ∈ V
11 7 10 pm3.2i ⊢ 1 X + K mod N ∈ V ∧ 0 X ∈ V ∧ 0 x ∈ V ∧ 0 x + 1 mod N ∈ V
12 ax-1ne0 ⊢ 1 ≠ 0
13 12 orci ⊢ 1 ≠ 0 ∨ X + K mod N ≠ x
14 1ex ⊢ 1 ∈ V
15 ovex ⊢ X + K mod N ∈ V
16 14 15 opthne ⊢ 1 X + K mod N ≠ 0 x ↔ 1 ≠ 0 ∨ X + K mod N ≠ x
17 13 16 mpbir ⊢ 1 X + K mod N ≠ 0 x
18 12 orci ⊢ 1 ≠ 0 ∨ X + K mod N ≠ x + 1 mod N
19 14 15 opthne ⊢ 1 X + K mod N ≠ 0 x + 1 mod N ↔ 1 ≠ 0 ∨ X + K mod N ≠ x + 1 mod N
20 18 19 mpbir ⊢ 1 X + K mod N ≠ 0 x + 1 mod N
21 17 20 pm3.2i ⊢ 1 X + K mod N ≠ 0 x ∧ 1 X + K mod N ≠ 0 x + 1 mod N
22 21 a1i ⊢ N = 5 ∧ K ∈ J ∧ X ∈ W ∧ x ∈ 0 ..^ N → 1 X + K mod N ≠ 0 x ∧ 1 X + K mod N ≠ 0 x + 1 mod N
23 22 orcd ⊢ N = 5 ∧ K ∈ J ∧ X ∈ W ∧ x ∈ 0 ..^ N → 1 X + K mod N ≠ 0 x ∧ 1 X + K mod N ≠ 0 x + 1 mod N ∨ 0 X ≠ 0 x ∧ 0 X ≠ 0 x + 1 mod N
24 prneimg ⊢ 1 X + K mod N ∈ V ∧ 0 X ∈ V ∧ 0 x ∈ V ∧ 0 x + 1 mod N ∈ V → 1 X + K mod N ≠ 0 x ∧ 1 X + K mod N ≠ 0 x + 1 mod N ∨ 0 X ≠ 0 x ∧ 0 X ≠ 0 x + 1 mod N → 1 X + K mod N 0 X ≠ 0 x 0 x + 1 mod N
25 11 23 24 mpsyl ⊢ N = 5 ∧ K ∈ J ∧ X ∈ W ∧ x ∈ 0 ..^ N → 1 X + K mod N 0 X ≠ 0 x 0 x + 1 mod N
26 0ne1 ⊢ 0 ≠ 1
27 26 orci ⊢ 0 ≠ 1 ∨ X ≠ x
28 c0ex ⊢ 0 ∈ V
29 28 a1i ⊢ N = 5 ∧ K ∈ J → 0 ∈ V
30 29 anim1i ⊢ N = 5 ∧ K ∈ J ∧ X ∈ W → 0 ∈ V ∧ X ∈ W
31 30 adantr ⊢ N = 5 ∧ K ∈ J ∧ X ∈ W ∧ x ∈ 0 ..^ N → 0 ∈ V ∧ X ∈ W
32 opthneg ⊢ 0 ∈ V ∧ X ∈ W → 0 X ≠ 1 x ↔ 0 ≠ 1 ∨ X ≠ x
33 31 32 syl ⊢ N = 5 ∧ K ∈ J ∧ X ∈ W ∧ x ∈ 0 ..^ N → 0 X ≠ 1 x ↔ 0 ≠ 1 ∨ X ≠ x
34 27 33 mpbiri ⊢ N = 5 ∧ K ∈ J ∧ X ∈ W ∧ x ∈ 0 ..^ N → 0 X ≠ 1 x
35 34 olcd ⊢ N = 5 ∧ K ∈ J ∧ X ∈ W ∧ x ∈ 0 ..^ N → 1 X + K mod N ≠ 0 x ∨ 0 X ≠ 1 x
36 eleq1 ⊢ X = x → X ∈ 0 ..^ N ↔ x ∈ 0 ..^ N
37 36 adantr ⊢ X = x ∧ N = 5 ∧ K ∈ J ∧ X ∈ W → X ∈ 0 ..^ N ↔ x ∈ 0 ..^ N
38 oveq2 ⊢ N = 5 → 0 ..^ N = 0 ..^ 5
39 38 eleq2d ⊢ N = 5 → X ∈ 0 ..^ N ↔ X ∈ 0 ..^ 5
40 39 biimpd ⊢ N = 5 → X ∈ 0 ..^ N → X ∈ 0 ..^ 5
41 40 ad2antrr ⊢ N = 5 ∧ K ∈ J ∧ X ∈ W → X ∈ 0 ..^ N → X ∈ 0 ..^ 5
42 41 imp ⊢ N = 5 ∧ K ∈ J ∧ X ∈ W ∧ X ∈ 0 ..^ N → X ∈ 0 ..^ 5
43 5nn ⊢ 5 ∈ ℕ
44 eleq1 ⊢ N = 5 → N ∈ ℕ ↔ 5 ∈ ℕ
45 43 44 mpbiri ⊢ N = 5 → N ∈ ℕ
46 1 ceilhalfelfzo1 ⊢ N ∈ ℕ → K ∈ J → K ∈ 1 ..^ N
47 45 46 syl ⊢ N = 5 → K ∈ J → K ∈ 1 ..^ N
48 oveq2 ⊢ N = 5 → 1 ..^ N = 1 ..^ 5
49 48 eleq2d ⊢ N = 5 → K ∈ 1 ..^ N ↔ K ∈ 1 ..^ 5
50 47 49 sylibd ⊢ N = 5 → K ∈ J → K ∈ 1 ..^ 5
51 50 imp ⊢ N = 5 ∧ K ∈ J → K ∈ 1 ..^ 5
52 51 ad2antrr ⊢ N = 5 ∧ K ∈ J ∧ X ∈ W ∧ X ∈ 0 ..^ N → K ∈ 1 ..^ 5
53 plusmod5ne ⊢ X ∈ 0 ..^ 5 ∧ K ∈ 1 ..^ 5 → X + K mod 5 ≠ X
54 42 52 53 syl2anc ⊢ N = 5 ∧ K ∈ J ∧ X ∈ W ∧ X ∈ 0 ..^ N → X + K mod 5 ≠ X
55 oveq2 ⊢ N = 5 → X + K mod N = X + K mod 5
56 55 neeq1d ⊢ N = 5 → X + K mod N ≠ X ↔ X + K mod 5 ≠ X
57 56 adantr ⊢ N = 5 ∧ K ∈ J → X + K mod N ≠ X ↔ X + K mod 5 ≠ X
58 57 ad2antrr ⊢ N = 5 ∧ K ∈ J ∧ X ∈ W ∧ X ∈ 0 ..^ N → X + K mod N ≠ X ↔ X + K mod 5 ≠ X
59 54 58 mpbird ⊢ N = 5 ∧ K ∈ J ∧ X ∈ W ∧ X ∈ 0 ..^ N → X + K mod N ≠ X
60 59 ex ⊢ N = 5 ∧ K ∈ J ∧ X ∈ W → X ∈ 0 ..^ N → X + K mod N ≠ X
61 60 adantl ⊢ X = x ∧ N = 5 ∧ K ∈ J ∧ X ∈ W → X ∈ 0 ..^ N → X + K mod N ≠ X
62 37 61 sylbird ⊢ X = x ∧ N = 5 ∧ K ∈ J ∧ X ∈ W → x ∈ 0 ..^ N → X + K mod N ≠ X
63 62 impr ⊢ X = x ∧ N = 5 ∧ K ∈ J ∧ X ∈ W ∧ x ∈ 0 ..^ N → X + K mod N ≠ X
64 neeq2 ⊢ X = x → X + K mod N ≠ X ↔ X + K mod N ≠ x
65 64 adantr ⊢ X = x ∧ N = 5 ∧ K ∈ J ∧ X ∈ W ∧ x ∈ 0 ..^ N → X + K mod N ≠ X ↔ X + K mod N ≠ x
66 63 65 mpbid ⊢ X = x ∧ N = 5 ∧ K ∈ J ∧ X ∈ W ∧ x ∈ 0 ..^ N → X + K mod N ≠ x
67 66 orcd ⊢ X = x ∧ N = 5 ∧ K ∈ J ∧ X ∈ W ∧ x ∈ 0 ..^ N → X + K mod N ≠ x ∨ X ≠ x
68 67 ex ⊢ X = x → N = 5 ∧ K ∈ J ∧ X ∈ W ∧ x ∈ 0 ..^ N → X + K mod N ≠ x ∨ X ≠ x
69 olc ⊢ X ≠ x → X + K mod N ≠ x ∨ X ≠ x
70 69 a1d ⊢ X ≠ x → N = 5 ∧ K ∈ J ∧ X ∈ W ∧ x ∈ 0 ..^ N → X + K mod N ≠ x ∨ X ≠ x
71 68 70 pm2.61ine ⊢ N = 5 ∧ K ∈ J ∧ X ∈ W ∧ x ∈ 0 ..^ N → X + K mod N ≠ x ∨ X ≠ x
72 14 15 opthne ⊢ 1 X + K mod N ≠ 1 x ↔ 1 ≠ 1 ∨ X + K mod N ≠ x
73 neirr ⊢ ¬ 1 ≠ 1
74 73 biorfi ⊢ X + K mod N ≠ x ↔ 1 ≠ 1 ∨ X + K mod N ≠ x
75 72 74 bitr4i ⊢ 1 X + K mod N ≠ 1 x ↔ X + K mod N ≠ x
76 75 a1i ⊢ N = 5 ∧ K ∈ J ∧ X ∈ W ∧ x ∈ 0 ..^ N → 1 X + K mod N ≠ 1 x ↔ X + K mod N ≠ x
77 opthneg ⊢ 0 ∈ V ∧ X ∈ W → 0 X ≠ 0 x ↔ 0 ≠ 0 ∨ X ≠ x
78 31 77 syl ⊢ N = 5 ∧ K ∈ J ∧ X ∈ W ∧ x ∈ 0 ..^ N → 0 X ≠ 0 x ↔ 0 ≠ 0 ∨ X ≠ x
79 neirr ⊢ ¬ 0 ≠ 0
80 79 biorfi ⊢ X ≠ x ↔ 0 ≠ 0 ∨ X ≠ x
81 78 80 bitr4di ⊢ N = 5 ∧ K ∈ J ∧ X ∈ W ∧ x ∈ 0 ..^ N → 0 X ≠ 0 x ↔ X ≠ x
82 76 81 orbi12d ⊢ N = 5 ∧ K ∈ J ∧ X ∈ W ∧ x ∈ 0 ..^ N → 1 X + K mod N ≠ 1 x ∨ 0 X ≠ 0 x ↔ X + K mod N ≠ x ∨ X ≠ x
83 71 82 mpbird ⊢ N = 5 ∧ K ∈ J ∧ X ∈ W ∧ x ∈ 0 ..^ N → 1 X + K mod N ≠ 1 x ∨ 0 X ≠ 0 x
84 35 83 jca ⊢ N = 5 ∧ K ∈ J ∧ X ∈ W ∧ x ∈ 0 ..^ N → 1 X + K mod N ≠ 0 x ∨ 0 X ≠ 1 x ∧ 1 X + K mod N ≠ 1 x ∨ 0 X ≠ 0 x
85 opex ⊢ 1 x ∈ V
86 8 85 pm3.2i ⊢ 0 x ∈ V ∧ 1 x ∈ V
87 7 86 pm3.2i ⊢ 1 X + K mod N ∈ V ∧ 0 X ∈ V ∧ 0 x ∈ V ∧ 1 x ∈ V
88 prneimg2 ⊢ 1 X + K mod N ∈ V ∧ 0 X ∈ V ∧ 0 x ∈ V ∧ 1 x ∈ V → 1 X + K mod N 0 X ≠ 0 x 1 x ↔ 1 X + K mod N ≠ 0 x ∨ 0 X ≠ 1 x ∧ 1 X + K mod N ≠ 1 x ∨ 0 X ≠ 0 x
89 87 88 mp1i ⊢ N = 5 ∧ K ∈ J ∧ X ∈ W ∧ x ∈ 0 ..^ N → 1 X + K mod N 0 X ≠ 0 x 1 x ↔ 1 X + K mod N ≠ 0 x ∨ 0 X ≠ 1 x ∧ 1 X + K mod N ≠ 1 x ∨ 0 X ≠ 0 x
90 84 89 mpbird ⊢ N = 5 ∧ K ∈ J ∧ X ∈ W ∧ x ∈ 0 ..^ N → 1 X + K mod N 0 X ≠ 0 x 1 x
91 opex ⊢ 1 x + K mod N ∈ V
92 85 91 pm3.2i ⊢ 1 x ∈ V ∧ 1 x + K mod N ∈ V
93 7 92 pm3.2i ⊢ 1 X + K mod N ∈ V ∧ 0 X ∈ V ∧ 1 x ∈ V ∧ 1 x + K mod N ∈ V
94 26 a1i ⊢ N = 5 ∧ K ∈ J ∧ X ∈ W ∧ x ∈ 0 ..^ N → 0 ≠ 1
95 94 orcd ⊢ N = 5 ∧ K ∈ J ∧ X ∈ W ∧ x ∈ 0 ..^ N → 0 ≠ 1 ∨ X ≠ x + K mod N
96 opthneg ⊢ 0 ∈ V ∧ X ∈ W → 0 X ≠ 1 x + K mod N ↔ 0 ≠ 1 ∨ X ≠ x + K mod N
97 31 96 syl ⊢ N = 5 ∧ K ∈ J ∧ X ∈ W ∧ x ∈ 0 ..^ N → 0 X ≠ 1 x + K mod N ↔ 0 ≠ 1 ∨ X ≠ x + K mod N
98 95 97 mpbird ⊢ N = 5 ∧ K ∈ J ∧ X ∈ W ∧ x ∈ 0 ..^ N → 0 X ≠ 1 x + K mod N
99 34 98 jca ⊢ N = 5 ∧ K ∈ J ∧ X ∈ W ∧ x ∈ 0 ..^ N → 0 X ≠ 1 x ∧ 0 X ≠ 1 x + K mod N
100 99 olcd ⊢ N = 5 ∧ K ∈ J ∧ X ∈ W ∧ x ∈ 0 ..^ N → 1 X + K mod N ≠ 1 x ∧ 1 X + K mod N ≠ 1 x + K mod N ∨ 0 X ≠ 1 x ∧ 0 X ≠ 1 x + K mod N
101 prneimg ⊢ 1 X + K mod N ∈ V ∧ 0 X ∈ V ∧ 1 x ∈ V ∧ 1 x + K mod N ∈ V → 1 X + K mod N ≠ 1 x ∧ 1 X + K mod N ≠ 1 x + K mod N ∨ 0 X ≠ 1 x ∧ 0 X ≠ 1 x + K mod N → 1 X + K mod N 0 X ≠ 1 x 1 x + K mod N
102 93 100 101 mpsyl ⊢ N = 5 ∧ K ∈ J ∧ X ∈ W ∧ x ∈ 0 ..^ N → 1 X + K mod N 0 X ≠ 1 x 1 x + K mod N
103 25 90 102 3jca ⊢ N = 5 ∧ K ∈ J ∧ X ∈ W ∧ x ∈ 0 ..^ N → 1 X + K mod N 0 X ≠ 0 x 0 x + 1 mod N ∧ 1 X + K mod N 0 X ≠ 0 x 1 x ∧ 1 X + K mod N 0 X ≠ 1 x 1 x + K mod N
104 103 ralrimiva ⊢ N = 5 ∧ K ∈ J ∧ X ∈ W → ∀ x ∈ 0 ..^ N 1 X + K mod N 0 X ≠ 0 x 0 x + 1 mod N ∧ 1 X + K mod N 0 X ≠ 0 x 1 x ∧ 1 X + K mod N 0 X ≠ 1 x 1 x + K mod N
105 ralnex ⊢ ∀ x ∈ 0 ..^ N ¬ 1 X + K mod N 0 X = 0 x 0 x + 1 mod N ∨ 1 X + K mod N 0 X = 0 x 1 x ∨ 1 X + K mod N 0 X = 1 x 1 x + K mod N ↔ ¬ ∃ x ∈ 0 ..^ N 1 X + K mod N 0 X = 0 x 0 x + 1 mod N ∨ 1 X + K mod N 0 X = 0 x 1 x ∨ 1 X + K mod N 0 X = 1 x 1 x + K mod N
106 3ioran ⊢ ¬ 1 X + K mod N 0 X = 0 x 0 x + 1 mod N ∨ 1 X + K mod N 0 X = 0 x 1 x ∨ 1 X + K mod N 0 X = 1 x 1 x + K mod N ↔ ¬ 1 X + K mod N 0 X = 0 x 0 x + 1 mod N ∧ ¬ 1 X + K mod N 0 X = 0 x 1 x ∧ ¬ 1 X + K mod N 0 X = 1 x 1 x + K mod N
107 df-ne ⊢ 1 X + K mod N 0 X ≠ 0 x 0 x + 1 mod N ↔ ¬ 1 X + K mod N 0 X = 0 x 0 x + 1 mod N
108 df-ne ⊢ 1 X + K mod N 0 X ≠ 0 x 1 x ↔ ¬ 1 X + K mod N 0 X = 0 x 1 x
109 df-ne ⊢ 1 X + K mod N 0 X ≠ 1 x 1 x + K mod N ↔ ¬ 1 X + K mod N 0 X = 1 x 1 x + K mod N
110 107 108 109 3anbi123i ⊢ 1 X + K mod N 0 X ≠ 0 x 0 x + 1 mod N ∧ 1 X + K mod N 0 X ≠ 0 x 1 x ∧ 1 X + K mod N 0 X ≠ 1 x 1 x + K mod N ↔ ¬ 1 X + K mod N 0 X = 0 x 0 x + 1 mod N ∧ ¬ 1 X + K mod N 0 X = 0 x 1 x ∧ ¬ 1 X + K mod N 0 X = 1 x 1 x + K mod N
111 106 110 bitr4i ⊢ ¬ 1 X + K mod N 0 X = 0 x 0 x + 1 mod N ∨ 1 X + K mod N 0 X = 0 x 1 x ∨ 1 X + K mod N 0 X = 1 x 1 x + K mod N ↔ 1 X + K mod N 0 X ≠ 0 x 0 x + 1 mod N ∧ 1 X + K mod N 0 X ≠ 0 x 1 x ∧ 1 X + K mod N 0 X ≠ 1 x 1 x + K mod N
112 111 ralbii ⊢ ∀ x ∈ 0 ..^ N ¬ 1 X + K mod N 0 X = 0 x 0 x + 1 mod N ∨ 1 X + K mod N 0 X = 0 x 1 x ∨ 1 X + K mod N 0 X = 1 x 1 x + K mod N ↔ ∀ x ∈ 0 ..^ N 1 X + K mod N 0 X ≠ 0 x 0 x + 1 mod N ∧ 1 X + K mod N 0 X ≠ 0 x 1 x ∧ 1 X + K mod N 0 X ≠ 1 x 1 x + K mod N
113 105 112 bitr3i ⊢ ¬ ∃ x ∈ 0 ..^ N 1 X + K mod N 0 X = 0 x 0 x + 1 mod N ∨ 1 X + K mod N 0 X = 0 x 1 x ∨ 1 X + K mod N 0 X = 1 x 1 x + K mod N ↔ ∀ x ∈ 0 ..^ N 1 X + K mod N 0 X ≠ 0 x 0 x + 1 mod N ∧ 1 X + K mod N 0 X ≠ 0 x 1 x ∧ 1 X + K mod N 0 X ≠ 1 x 1 x + K mod N
114 104 113 sylibr ⊢ N = 5 ∧ K ∈ J ∧ X ∈ W → ¬ ∃ x ∈ 0 ..^ N 1 X + K mod N 0 X = 0 x 0 x + 1 mod N ∨ 1 X + K mod N 0 X = 0 x 1 x ∨ 1 X + K mod N 0 X = 1 x 1 x + K mod N
115 5eluz3 ⊢ 5 ∈ ℤ ≥ 3
116 eleq1 ⊢ N = 5 → N ∈ ℤ ≥ 3 ↔ 5 ∈ ℤ ≥ 3
117 115 116 mpbiri ⊢ N = 5 → N ∈ ℤ ≥ 3
118 eqid ⊢ 0 ..^ N = 0 ..^ N
119 118 1 2 4 gpgedgel ⊢ N ∈ ℤ ≥ 3 ∧ K ∈ J → 1 X + K mod N 0 X ∈ E ↔ ∃ x ∈ 0 ..^ N 1 X + K mod N 0 X = 0 x 0 x + 1 mod N ∨ 1 X + K mod N 0 X = 0 x 1 x ∨ 1 X + K mod N 0 X = 1 x 1 x + K mod N
120 117 119 sylan ⊢ N = 5 ∧ K ∈ J → 1 X + K mod N 0 X ∈ E ↔ ∃ x ∈ 0 ..^ N 1 X + K mod N 0 X = 0 x 0 x + 1 mod N ∨ 1 X + K mod N 0 X = 0 x 1 x ∨ 1 X + K mod N 0 X = 1 x 1 x + K mod N
121 120 adantr ⊢ N = 5 ∧ K ∈ J ∧ X ∈ W → 1 X + K mod N 0 X ∈ E ↔ ∃ x ∈ 0 ..^ N 1 X + K mod N 0 X = 0 x 0 x + 1 mod N ∨ 1 X + K mod N 0 X = 0 x 1 x ∨ 1 X + K mod N 0 X = 1 x 1 x + K mod N
122 114 121 mtbird ⊢ N = 5 ∧ K ∈ J ∧ X ∈ W → ¬ 1 X + K mod N 0 X ∈ E
123 df-nel ⊢ 1 X + K mod N 0 X ∉ E ↔ ¬ 1 X + K mod N 0 X ∈ E
124 122 123 sylibr ⊢ N = 5 ∧ K ∈ J ∧ X ∈ W → 1 X + K mod N 0 X ∉ E