gpgvtxedg0 - Mathbox for Alexander van der Vekens

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Theorem gpgvtxedg0 49255

Description: The edges starting at an outside vertex 𝑋 in a generalized Petersen graph 𝐺. (Contributed by AV, 30-Aug-2025.)

**Hypotheses**
Ref	Expression
gpgedgvtx0.j	⊢ 𝐽 = (1..^(⌈‘(𝑁 / 2)))
gpgedgvtx0.g	⊢ 𝐺 = (𝑁 gPetersenGr 𝐾)
gpgedgvtx0.v	⊢ 𝑉 = (Vtx‘𝐺)
gpgedgvtx0.e	⊢ 𝐸 = (Edg‘𝐺)

**Assertion**
Ref	Expression
gpgvtxedg0	⊢ (((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) ∧ (1^st ‘𝑋) = 0 ∧ {𝑋, 𝑌} ∈ 𝐸) → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩))

Proof of Theorem gpgvtxedg0 Dummy variable 𝑦 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		gpgusgra 49249	. . . . 5 ⊢ ((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ (1..^(⌈‘(𝑁 / 2)))) → (𝑁 gPetersenGr 𝐾) ∈ USGraph)
2		gpgedgvtx0.j	. . . . . . 7 ⊢ 𝐽 = (1..^(⌈‘(𝑁 / 2)))
3	2	eleq2i 2852	. . . . . 6 ⊢ (𝐾 ∈ 𝐽 ↔ 𝐾 ∈ (1..^(⌈‘(𝑁 / 2))))
4	3	anbi2i 635	. . . . 5 ⊢ ((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) ↔ (𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ (1..^(⌈‘(𝑁 / 2)))))
5		gpgedgvtx0.g	. . . . . 6 ⊢ 𝐺 = (𝑁 gPetersenGr 𝐾)
6	5	eleq1i 2851	. . . . 5 ⊢ (𝐺 ∈ USGraph ↔ (𝑁 gPetersenGr 𝐾) ∈ USGraph)
7	1, 4, 6	3imtr4i 295	. . . 4 ⊢ ((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) → 𝐺 ∈ USGraph)
8	7	3ad2ant1 1151	. . 3 ⊢ (((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) ∧ (1^st ‘𝑋) = 0 ∧ {𝑋, 𝑌} ∈ 𝐸) → 𝐺 ∈ USGraph)
9		simp3 1156	. . 3 ⊢ (((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) ∧ (1^st ‘𝑋) = 0 ∧ {𝑋, 𝑌} ∈ 𝐸) → {𝑋, 𝑌} ∈ 𝐸)
10		gpgedgvtx0.e	. . . 4 ⊢ 𝐸 = (Edg‘𝐺)
11		gpgedgvtx0.v	. . . 4 ⊢ 𝑉 = (Vtx‘𝐺)
12	10, 11	usgrpredgv 29784	. . 3 ⊢ ((𝐺 ∈ USGraph ∧ {𝑋, 𝑌} ∈ 𝐸) → (𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉))
13	8, 9, 12	syl2anc 596	. 2 ⊢ (((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) ∧ (1^st ‘𝑋) = 0 ∧ {𝑋, 𝑌} ∈ 𝐸) → (𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉))
14		eqid 2760	. . . . . . . 8 ⊢ (0..^𝑁) = (0..^𝑁)
15	14, 2, 5, 10	gpgedgel 49242	. . . . . . 7 ⊢ ((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) → ({𝑋, 𝑌} ∈ 𝐸 ↔ ∃𝑦 ∈ (0..^𝑁)({𝑋, 𝑌} = {⟨0, 𝑦⟩, ⟨0, ((𝑦 + 1) mod 𝑁)⟩} ∨ {𝑋, 𝑌} = {⟨0, 𝑦⟩, ⟨1, 𝑦⟩} ∨ {𝑋, 𝑌} = {⟨1, 𝑦⟩, ⟨1, ((𝑦 + 𝐾) mod 𝑁)⟩})))
16	15	3ad2ant1 1151	. . . . . 6 ⊢ (((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) ∧ (1^st ‘𝑋) = 0 ∧ (𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉)) → ({𝑋, 𝑌} ∈ 𝐸 ↔ ∃𝑦 ∈ (0..^𝑁)({𝑋, 𝑌} = {⟨0, 𝑦⟩, ⟨0, ((𝑦 + 1) mod 𝑁)⟩} ∨ {𝑋, 𝑌} = {⟨0, 𝑦⟩, ⟨1, 𝑦⟩} ∨ {𝑋, 𝑌} = {⟨1, 𝑦⟩, ⟨1, ((𝑦 + 𝐾) mod 𝑁)⟩})))
17		simp3 1156	. . . . . . . . . . 11 ⊢ (((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) ∧ (1^st ‘𝑋) = 0 ∧ (𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉)) → (𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉))
18	17	adantr 486	. . . . . . . . . 10 ⊢ ((((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) ∧ (1^st ‘𝑋) = 0 ∧ (𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉)) ∧ 𝑦 ∈ (0..^𝑁)) → (𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉))
19		opex 5431	. . . . . . . . . . 11 ⊢ ⟨0, 𝑦⟩ ∈ V
20		opex 5431	. . . . . . . . . . 11 ⊢ ⟨0, ((𝑦 + 1) mod 𝑁)⟩ ∈ V
21	19, 20	pm3.2i 476	. . . . . . . . . 10 ⊢ (⟨0, 𝑦⟩ ∈ V ∧ ⟨0, ((𝑦 + 1) mod 𝑁)⟩ ∈ V)
22		preq12bg 4807	. . . . . . . . . 10 ⊢ (((𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉) ∧ (⟨0, 𝑦⟩ ∈ V ∧ ⟨0, ((𝑦 + 1) mod 𝑁)⟩ ∈ V)) → ({𝑋, 𝑌} = {⟨0, 𝑦⟩, ⟨0, ((𝑦 + 1) mod 𝑁)⟩} ↔ ((𝑋 = ⟨0, 𝑦⟩ ∧ 𝑌 = ⟨0, ((𝑦 + 1) mod 𝑁)⟩) ∨ (𝑋 = ⟨0, ((𝑦 + 1) mod 𝑁)⟩ ∧ 𝑌 = ⟨0, 𝑦⟩))))
23	18, 21, 22	sylancl 598	. . . . . . . . 9 ⊢ ((((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) ∧ (1^st ‘𝑋) = 0 ∧ (𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉)) ∧ 𝑦 ∈ (0..^𝑁)) → ({𝑋, 𝑌} = {⟨0, 𝑦⟩, ⟨0, ((𝑦 + 1) mod 𝑁)⟩} ↔ ((𝑋 = ⟨0, 𝑦⟩ ∧ 𝑌 = ⟨0, ((𝑦 + 1) mod 𝑁)⟩) ∨ (𝑋 = ⟨0, ((𝑦 + 1) mod 𝑁)⟩ ∧ 𝑌 = ⟨0, 𝑦⟩))))
24		simpr 490	. . . . . . . . . . . . 13 ⊢ ((𝑋 = ⟨0, 𝑦⟩ ∧ 𝑌 = ⟨0, ((𝑦 + 1) mod 𝑁)⟩) → 𝑌 = ⟨0, ((𝑦 + 1) mod 𝑁)⟩)
25		c0ex 11304	. . . . . . . . . . . . . . . . . . 19 ⊢ 0 ∈ V
26		vex 3454	. . . . . . . . . . . . . . . . . . 19 ⊢ 𝑦 ∈ V
27	25, 26	op2ndd 8013	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑋 = ⟨0, 𝑦⟩ → (2^nd ‘𝑋) = 𝑦)
28	27	eqcomd 2766	. . . . . . . . . . . . . . . . 17 ⊢ (𝑋 = ⟨0, 𝑦⟩ → 𝑦 = (2^nd ‘𝑋))
29	28	oveq1d 7436	. . . . . . . . . . . . . . . 16 ⊢ (𝑋 = ⟨0, 𝑦⟩ → (𝑦 + 1) = ((2^nd ‘𝑋) + 1))
30	29	oveq1d 7436	. . . . . . . . . . . . . . 15 ⊢ (𝑋 = ⟨0, 𝑦⟩ → ((𝑦 + 1) mod 𝑁) = (((2^nd ‘𝑋) + 1) mod 𝑁))
31	30	adantr 486	. . . . . . . . . . . . . 14 ⊢ ((𝑋 = ⟨0, 𝑦⟩ ∧ 𝑌 = ⟨0, ((𝑦 + 1) mod 𝑁)⟩) → ((𝑦 + 1) mod 𝑁) = (((2^nd ‘𝑋) + 1) mod 𝑁))
32	31	opeq2d 4846	. . . . . . . . . . . . 13 ⊢ ((𝑋 = ⟨0, 𝑦⟩ ∧ 𝑌 = ⟨0, ((𝑦 + 1) mod 𝑁)⟩) → ⟨0, ((𝑦 + 1) mod 𝑁)⟩ = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩)
33	24, 32	eqtrd 2795	. . . . . . . . . . . 12 ⊢ ((𝑋 = ⟨0, 𝑦⟩ ∧ 𝑌 = ⟨0, ((𝑦 + 1) mod 𝑁)⟩) → 𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩)
34	33	3mix1d 1355	. . . . . . . . . . 11 ⊢ ((𝑋 = ⟨0, 𝑦⟩ ∧ 𝑌 = ⟨0, ((𝑦 + 1) mod 𝑁)⟩) → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩))
35	34	a1i 11	. . . . . . . . . 10 ⊢ ((((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) ∧ (1^st ‘𝑋) = 0 ∧ (𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉)) ∧ 𝑦 ∈ (0..^𝑁)) → ((𝑋 = ⟨0, 𝑦⟩ ∧ 𝑌 = ⟨0, ((𝑦 + 1) mod 𝑁)⟩) → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩)))
36		elfzoelz 13797	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑦 ∈ (0..^𝑁) → 𝑦 ∈ ℤ)
37	36	zred 12807	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝑦 ∈ (0..^𝑁) → 𝑦 ∈ ℝ)
38		1red 11313	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝑦 ∈ (0..^𝑁) → 1 ∈ ℝ)
39	37, 38	readdcld 11342	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑦 ∈ (0..^𝑁) → (𝑦 + 1) ∈ ℝ)
40		elfzo0 13839	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝑦 ∈ (0..^𝑁) ↔ (𝑦 ∈ ℕ₀ ∧ 𝑁 ∈ ℕ ∧ 𝑦 < 𝑁))
41		nnrp 13136	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑁 ∈ ℕ → 𝑁 ∈ ℝ⁺)
42	41	3ad2ant2 1152	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝑦 ∈ ℕ₀ ∧ 𝑁 ∈ ℕ ∧ 𝑦 < 𝑁) → 𝑁 ∈ ℝ⁺)
43	40, 42	sylbi 220	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑦 ∈ (0..^𝑁) → 𝑁 ∈ ℝ⁺)
44		modsubmod 14076	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝑦 + 1) ∈ ℝ ∧ 1 ∈ ℝ ∧ 𝑁 ∈ ℝ⁺) → ((((𝑦 + 1) mod 𝑁) − 1) mod 𝑁) = (((𝑦 + 1) − 1) mod 𝑁))
45	39, 38, 43, 44	syl3anc 1398	. . . . . . . . . . . . . . . . 17 ⊢ (𝑦 ∈ (0..^𝑁) → ((((𝑦 + 1) mod 𝑁) − 1) mod 𝑁) = (((𝑦 + 1) − 1) mod 𝑁))
46	36	zcnd 12808	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝑦 ∈ (0..^𝑁) → 𝑦 ∈ ℂ)
47		pncan1 11744	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝑦 ∈ ℂ → ((𝑦 + 1) − 1) = 𝑦)
48	46, 47	syl 18	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑦 ∈ (0..^𝑁) → ((𝑦 + 1) − 1) = 𝑦)
49	48	oveq1d 7436	. . . . . . . . . . . . . . . . 17 ⊢ (𝑦 ∈ (0..^𝑁) → (((𝑦 + 1) − 1) mod 𝑁) = (𝑦 mod 𝑁))
50		zmodidfzoimp 14045	. . . . . . . . . . . . . . . . 17 ⊢ (𝑦 ∈ (0..^𝑁) → (𝑦 mod 𝑁) = 𝑦)
51	45, 49, 50	3eqtrrd 2800	. . . . . . . . . . . . . . . 16 ⊢ (𝑦 ∈ (0..^𝑁) → 𝑦 = ((((𝑦 + 1) mod 𝑁) − 1) mod 𝑁))
52	51	adantl 487	. . . . . . . . . . . . . . 15 ⊢ ((((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) ∧ (1^st ‘𝑋) = 0 ∧ (𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉)) ∧ 𝑦 ∈ (0..^𝑁)) → 𝑦 = ((((𝑦 + 1) mod 𝑁) − 1) mod 𝑁))
53	52	adantr 486	. . . . . . . . . . . . . 14 ⊢ (((((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) ∧ (1^st ‘𝑋) = 0 ∧ (𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉)) ∧ 𝑦 ∈ (0..^𝑁)) ∧ (𝑋 = ⟨0, ((𝑦 + 1) mod 𝑁)⟩ ∧ 𝑌 = ⟨0, 𝑦⟩)) → 𝑦 = ((((𝑦 + 1) mod 𝑁) − 1) mod 𝑁))
54	53	opeq2d 4846	. . . . . . . . . . . . 13 ⊢ (((((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) ∧ (1^st ‘𝑋) = 0 ∧ (𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉)) ∧ 𝑦 ∈ (0..^𝑁)) ∧ (𝑋 = ⟨0, ((𝑦 + 1) mod 𝑁)⟩ ∧ 𝑌 = ⟨0, 𝑦⟩)) → ⟨0, 𝑦⟩ = ⟨0, ((((𝑦 + 1) mod 𝑁) − 1) mod 𝑁)⟩)
55		simpr 490	. . . . . . . . . . . . . . 15 ⊢ ((𝑋 = ⟨0, ((𝑦 + 1) mod 𝑁)⟩ ∧ 𝑌 = ⟨0, 𝑦⟩) → 𝑌 = ⟨0, 𝑦⟩)
56		ovex 7454	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((𝑦 + 1) mod 𝑁) ∈ V
57	25, 56	op2ndd 8013	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝑋 = ⟨0, ((𝑦 + 1) mod 𝑁)⟩ → (2^nd ‘𝑋) = ((𝑦 + 1) mod 𝑁))
58	57	oveq1d 7436	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑋 = ⟨0, ((𝑦 + 1) mod 𝑁)⟩ → ((2^nd ‘𝑋) − 1) = (((𝑦 + 1) mod 𝑁) − 1))
59	58	oveq1d 7436	. . . . . . . . . . . . . . . . 17 ⊢ (𝑋 = ⟨0, ((𝑦 + 1) mod 𝑁)⟩ → (((2^nd ‘𝑋) − 1) mod 𝑁) = ((((𝑦 + 1) mod 𝑁) − 1) mod 𝑁))
60	59	opeq2d 4846	. . . . . . . . . . . . . . . 16 ⊢ (𝑋 = ⟨0, ((𝑦 + 1) mod 𝑁)⟩ → ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩ = ⟨0, ((((𝑦 + 1) mod 𝑁) − 1) mod 𝑁)⟩)
61	60	adantr 486	. . . . . . . . . . . . . . 15 ⊢ ((𝑋 = ⟨0, ((𝑦 + 1) mod 𝑁)⟩ ∧ 𝑌 = ⟨0, 𝑦⟩) → ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩ = ⟨0, ((((𝑦 + 1) mod 𝑁) − 1) mod 𝑁)⟩)
62	55, 61	eqeq12d 2776	. . . . . . . . . . . . . 14 ⊢ ((𝑋 = ⟨0, ((𝑦 + 1) mod 𝑁)⟩ ∧ 𝑌 = ⟨0, 𝑦⟩) → (𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩ ↔ ⟨0, 𝑦⟩ = ⟨0, ((((𝑦 + 1) mod 𝑁) − 1) mod 𝑁)⟩))
63	62	adantl 487	. . . . . . . . . . . . 13 ⊢ (((((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) ∧ (1^st ‘𝑋) = 0 ∧ (𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉)) ∧ 𝑦 ∈ (0..^𝑁)) ∧ (𝑋 = ⟨0, ((𝑦 + 1) mod 𝑁)⟩ ∧ 𝑌 = ⟨0, 𝑦⟩)) → (𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩ ↔ ⟨0, 𝑦⟩ = ⟨0, ((((𝑦 + 1) mod 𝑁) − 1) mod 𝑁)⟩))
64	54, 63	mpbird 260	. . . . . . . . . . . 12 ⊢ (((((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) ∧ (1^st ‘𝑋) = 0 ∧ (𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉)) ∧ 𝑦 ∈ (0..^𝑁)) ∧ (𝑋 = ⟨0, ((𝑦 + 1) mod 𝑁)⟩ ∧ 𝑌 = ⟨0, 𝑦⟩)) → 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩)
65	64	3mix3d 1357	. . . . . . . . . . 11 ⊢ (((((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) ∧ (1^st ‘𝑋) = 0 ∧ (𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉)) ∧ 𝑦 ∈ (0..^𝑁)) ∧ (𝑋 = ⟨0, ((𝑦 + 1) mod 𝑁)⟩ ∧ 𝑌 = ⟨0, 𝑦⟩)) → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩))
66	65	ex 418	. . . . . . . . . 10 ⊢ ((((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) ∧ (1^st ‘𝑋) = 0 ∧ (𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉)) ∧ 𝑦 ∈ (0..^𝑁)) → ((𝑋 = ⟨0, ((𝑦 + 1) mod 𝑁)⟩ ∧ 𝑌 = ⟨0, 𝑦⟩) → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩)))
67	35, 66	jaod 873	. . . . . . . . 9 ⊢ ((((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) ∧ (1^st ‘𝑋) = 0 ∧ (𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉)) ∧ 𝑦 ∈ (0..^𝑁)) → (((𝑋 = ⟨0, 𝑦⟩ ∧ 𝑌 = ⟨0, ((𝑦 + 1) mod 𝑁)⟩) ∨ (𝑋 = ⟨0, ((𝑦 + 1) mod 𝑁)⟩ ∧ 𝑌 = ⟨0, 𝑦⟩)) → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩)))
68	23, 67	sylbid 243	. . . . . . . 8 ⊢ ((((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) ∧ (1^st ‘𝑋) = 0 ∧ (𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉)) ∧ 𝑦 ∈ (0..^𝑁)) → ({𝑋, 𝑌} = {⟨0, 𝑦⟩, ⟨0, ((𝑦 + 1) mod 𝑁)⟩} → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩)))
69		opex 5431	. . . . . . . . . . 11 ⊢ ⟨1, 𝑦⟩ ∈ V
70	19, 69	pm3.2i 476	. . . . . . . . . 10 ⊢ (⟨0, 𝑦⟩ ∈ V ∧ ⟨1, 𝑦⟩ ∈ V)
71		preq12bg 4807	. . . . . . . . . 10 ⊢ (((𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉) ∧ (⟨0, 𝑦⟩ ∈ V ∧ ⟨1, 𝑦⟩ ∈ V)) → ({𝑋, 𝑌} = {⟨0, 𝑦⟩, ⟨1, 𝑦⟩} ↔ ((𝑋 = ⟨0, 𝑦⟩ ∧ 𝑌 = ⟨1, 𝑦⟩) ∨ (𝑋 = ⟨1, 𝑦⟩ ∧ 𝑌 = ⟨0, 𝑦⟩))))
72	18, 70, 71	sylancl 598	. . . . . . . . 9 ⊢ ((((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) ∧ (1^st ‘𝑋) = 0 ∧ (𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉)) ∧ 𝑦 ∈ (0..^𝑁)) → ({𝑋, 𝑌} = {⟨0, 𝑦⟩, ⟨1, 𝑦⟩} ↔ ((𝑋 = ⟨0, 𝑦⟩ ∧ 𝑌 = ⟨1, 𝑦⟩) ∨ (𝑋 = ⟨1, 𝑦⟩ ∧ 𝑌 = ⟨0, 𝑦⟩))))
73		simpr 490	. . . . . . . . . . . . . 14 ⊢ ((𝑋 = ⟨0, 𝑦⟩ ∧ 𝑌 = ⟨1, 𝑦⟩) → 𝑌 = ⟨1, 𝑦⟩)
74	28	adantr 486	. . . . . . . . . . . . . . 15 ⊢ ((𝑋 = ⟨0, 𝑦⟩ ∧ 𝑌 = ⟨1, 𝑦⟩) → 𝑦 = (2^nd ‘𝑋))
75	74	opeq2d 4846	. . . . . . . . . . . . . 14 ⊢ ((𝑋 = ⟨0, 𝑦⟩ ∧ 𝑌 = ⟨1, 𝑦⟩) → ⟨1, 𝑦⟩ = ⟨1, (2^nd ‘𝑋)⟩)
76	73, 75	eqtrd 2795	. . . . . . . . . . . . 13 ⊢ ((𝑋 = ⟨0, 𝑦⟩ ∧ 𝑌 = ⟨1, 𝑦⟩) → 𝑌 = ⟨1, (2^nd ‘𝑋)⟩)
77	76	adantl 487	. . . . . . . . . . . 12 ⊢ (((((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) ∧ (1^st ‘𝑋) = 0 ∧ (𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉)) ∧ 𝑦 ∈ (0..^𝑁)) ∧ (𝑋 = ⟨0, 𝑦⟩ ∧ 𝑌 = ⟨1, 𝑦⟩)) → 𝑌 = ⟨1, (2^nd ‘𝑋)⟩)
78	77	3mix2d 1356	. . . . . . . . . . 11 ⊢ (((((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) ∧ (1^st ‘𝑋) = 0 ∧ (𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉)) ∧ 𝑦 ∈ (0..^𝑁)) ∧ (𝑋 = ⟨0, 𝑦⟩ ∧ 𝑌 = ⟨1, 𝑦⟩)) → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩))
79	78	ex 418	. . . . . . . . . 10 ⊢ ((((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) ∧ (1^st ‘𝑋) = 0 ∧ (𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉)) ∧ 𝑦 ∈ (0..^𝑁)) → ((𝑋 = ⟨0, 𝑦⟩ ∧ 𝑌 = ⟨1, 𝑦⟩) → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩)))
80		1ex 11307	. . . . . . . . . . . . . . . . 17 ⊢ 1 ∈ V
81	80, 26	op1std 8012	. . . . . . . . . . . . . . . 16 ⊢ (𝑋 = ⟨1, 𝑦⟩ → (1^st ‘𝑋) = 1)
82	81	eqeq1d 2762	. . . . . . . . . . . . . . 15 ⊢ (𝑋 = ⟨1, 𝑦⟩ → ((1^st ‘𝑋) = 0 ↔ 1 = 0))
83		ax-1ne0 11273	. . . . . . . . . . . . . . . 16 ⊢ 1 ≠ 0
84		eqneqall 2966	. . . . . . . . . . . . . . . . 17 ⊢ (1 = 0 → (1 ≠ 0 → (𝑌 = ⟨0, 𝑦⟩ → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩))))
85	84	com12 33	. . . . . . . . . . . . . . . 16 ⊢ (1 ≠ 0 → (1 = 0 → (𝑌 = ⟨0, 𝑦⟩ → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩))))
86	83, 85	mp1i 14	. . . . . . . . . . . . . . 15 ⊢ (𝑋 = ⟨1, 𝑦⟩ → (1 = 0 → (𝑌 = ⟨0, 𝑦⟩ → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩))))
87	82, 86	sylbid 243	. . . . . . . . . . . . . 14 ⊢ (𝑋 = ⟨1, 𝑦⟩ → ((1^st ‘𝑋) = 0 → (𝑌 = ⟨0, 𝑦⟩ → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩))))
88	87	com12 33	. . . . . . . . . . . . 13 ⊢ ((1^st ‘𝑋) = 0 → (𝑋 = ⟨1, 𝑦⟩ → (𝑌 = ⟨0, 𝑦⟩ → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩))))
89	88	3ad2ant2 1152	. . . . . . . . . . . 12 ⊢ (((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) ∧ (1^st ‘𝑋) = 0 ∧ (𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉)) → (𝑋 = ⟨1, 𝑦⟩ → (𝑌 = ⟨0, 𝑦⟩ → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩))))
90	89	adantr 486	. . . . . . . . . . 11 ⊢ ((((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) ∧ (1^st ‘𝑋) = 0 ∧ (𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉)) ∧ 𝑦 ∈ (0..^𝑁)) → (𝑋 = ⟨1, 𝑦⟩ → (𝑌 = ⟨0, 𝑦⟩ → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩))))
91	90	impd 416	. . . . . . . . . 10 ⊢ ((((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) ∧ (1^st ‘𝑋) = 0 ∧ (𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉)) ∧ 𝑦 ∈ (0..^𝑁)) → ((𝑋 = ⟨1, 𝑦⟩ ∧ 𝑌 = ⟨0, 𝑦⟩) → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩)))
92	79, 91	jaod 873	. . . . . . . . 9 ⊢ ((((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) ∧ (1^st ‘𝑋) = 0 ∧ (𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉)) ∧ 𝑦 ∈ (0..^𝑁)) → (((𝑋 = ⟨0, 𝑦⟩ ∧ 𝑌 = ⟨1, 𝑦⟩) ∨ (𝑋 = ⟨1, 𝑦⟩ ∧ 𝑌 = ⟨0, 𝑦⟩)) → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩)))
93	72, 92	sylbid 243	. . . . . . . 8 ⊢ ((((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) ∧ (1^st ‘𝑋) = 0 ∧ (𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉)) ∧ 𝑦 ∈ (0..^𝑁)) → ({𝑋, 𝑌} = {⟨0, 𝑦⟩, ⟨1, 𝑦⟩} → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩)))
94		opex 5431	. . . . . . . . . . 11 ⊢ ⟨1, ((𝑦 + 𝐾) mod 𝑁)⟩ ∈ V
95	69, 94	pm3.2i 476	. . . . . . . . . 10 ⊢ (⟨1, 𝑦⟩ ∈ V ∧ ⟨1, ((𝑦 + 𝐾) mod 𝑁)⟩ ∈ V)
96		preq12bg 4807	. . . . . . . . . 10 ⊢ (((𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉) ∧ (⟨1, 𝑦⟩ ∈ V ∧ ⟨1, ((𝑦 + 𝐾) mod 𝑁)⟩ ∈ V)) → ({𝑋, 𝑌} = {⟨1, 𝑦⟩, ⟨1, ((𝑦 + 𝐾) mod 𝑁)⟩} ↔ ((𝑋 = ⟨1, 𝑦⟩ ∧ 𝑌 = ⟨1, ((𝑦 + 𝐾) mod 𝑁)⟩) ∨ (𝑋 = ⟨1, ((𝑦 + 𝐾) mod 𝑁)⟩ ∧ 𝑌 = ⟨1, 𝑦⟩))))
97	18, 95, 96	sylancl 598	. . . . . . . . 9 ⊢ ((((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) ∧ (1^st ‘𝑋) = 0 ∧ (𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉)) ∧ 𝑦 ∈ (0..^𝑁)) → ({𝑋, 𝑌} = {⟨1, 𝑦⟩, ⟨1, ((𝑦 + 𝐾) mod 𝑁)⟩} ↔ ((𝑋 = ⟨1, 𝑦⟩ ∧ 𝑌 = ⟨1, ((𝑦 + 𝐾) mod 𝑁)⟩) ∨ (𝑋 = ⟨1, ((𝑦 + 𝐾) mod 𝑁)⟩ ∧ 𝑌 = ⟨1, 𝑦⟩))))
98		eqneqall 2966	. . . . . . . . . . . . . . . . 17 ⊢ (1 = 0 → (1 ≠ 0 → (𝑌 = ⟨1, ((𝑦 + 𝐾) mod 𝑁)⟩ → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩))))
99	98	com12 33	. . . . . . . . . . . . . . . 16 ⊢ (1 ≠ 0 → (1 = 0 → (𝑌 = ⟨1, ((𝑦 + 𝐾) mod 𝑁)⟩ → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩))))
100	83, 99	mp1i 14	. . . . . . . . . . . . . . 15 ⊢ (𝑋 = ⟨1, 𝑦⟩ → (1 = 0 → (𝑌 = ⟨1, ((𝑦 + 𝐾) mod 𝑁)⟩ → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩))))
101	82, 100	sylbid 243	. . . . . . . . . . . . . 14 ⊢ (𝑋 = ⟨1, 𝑦⟩ → ((1^st ‘𝑋) = 0 → (𝑌 = ⟨1, ((𝑦 + 𝐾) mod 𝑁)⟩ → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩))))
102	101	com12 33	. . . . . . . . . . . . 13 ⊢ ((1^st ‘𝑋) = 0 → (𝑋 = ⟨1, 𝑦⟩ → (𝑌 = ⟨1, ((𝑦 + 𝐾) mod 𝑁)⟩ → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩))))
103	102	impd 416	. . . . . . . . . . . 12 ⊢ ((1^st ‘𝑋) = 0 → ((𝑋 = ⟨1, 𝑦⟩ ∧ 𝑌 = ⟨1, ((𝑦 + 𝐾) mod 𝑁)⟩) → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩)))
104		ovex 7454	. . . . . . . . . . . . . . . . 17 ⊢ ((𝑦 + 𝐾) mod 𝑁) ∈ V
105	80, 104	op1std 8012	. . . . . . . . . . . . . . . 16 ⊢ (𝑋 = ⟨1, ((𝑦 + 𝐾) mod 𝑁)⟩ → (1^st ‘𝑋) = 1)
106	105	eqeq1d 2762	. . . . . . . . . . . . . . 15 ⊢ (𝑋 = ⟨1, ((𝑦 + 𝐾) mod 𝑁)⟩ → ((1^st ‘𝑋) = 0 ↔ 1 = 0))
107		eqneqall 2966	. . . . . . . . . . . . . . . . 17 ⊢ (1 = 0 → (1 ≠ 0 → (𝑌 = ⟨1, 𝑦⟩ → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩))))
108	107	com12 33	. . . . . . . . . . . . . . . 16 ⊢ (1 ≠ 0 → (1 = 0 → (𝑌 = ⟨1, 𝑦⟩ → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩))))
109	83, 108	mp1i 14	. . . . . . . . . . . . . . 15 ⊢ (𝑋 = ⟨1, ((𝑦 + 𝐾) mod 𝑁)⟩ → (1 = 0 → (𝑌 = ⟨1, 𝑦⟩ → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩))))
110	106, 109	sylbid 243	. . . . . . . . . . . . . 14 ⊢ (𝑋 = ⟨1, ((𝑦 + 𝐾) mod 𝑁)⟩ → ((1^st ‘𝑋) = 0 → (𝑌 = ⟨1, 𝑦⟩ → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩))))
111	110	com12 33	. . . . . . . . . . . . 13 ⊢ ((1^st ‘𝑋) = 0 → (𝑋 = ⟨1, ((𝑦 + 𝐾) mod 𝑁)⟩ → (𝑌 = ⟨1, 𝑦⟩ → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩))))
112	111	impd 416	. . . . . . . . . . . 12 ⊢ ((1^st ‘𝑋) = 0 → ((𝑋 = ⟨1, ((𝑦 + 𝐾) mod 𝑁)⟩ ∧ 𝑌 = ⟨1, 𝑦⟩) → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩)))
113	103, 112	jaod 873	. . . . . . . . . . 11 ⊢ ((1^st ‘𝑋) = 0 → (((𝑋 = ⟨1, 𝑦⟩ ∧ 𝑌 = ⟨1, ((𝑦 + 𝐾) mod 𝑁)⟩) ∨ (𝑋 = ⟨1, ((𝑦 + 𝐾) mod 𝑁)⟩ ∧ 𝑌 = ⟨1, 𝑦⟩)) → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩)))
114	113	3ad2ant2 1152	. . . . . . . . . 10 ⊢ (((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) ∧ (1^st ‘𝑋) = 0 ∧ (𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉)) → (((𝑋 = ⟨1, 𝑦⟩ ∧ 𝑌 = ⟨1, ((𝑦 + 𝐾) mod 𝑁)⟩) ∨ (𝑋 = ⟨1, ((𝑦 + 𝐾) mod 𝑁)⟩ ∧ 𝑌 = ⟨1, 𝑦⟩)) → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩)))
115	114	adantr 486	. . . . . . . . 9 ⊢ ((((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) ∧ (1^st ‘𝑋) = 0 ∧ (𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉)) ∧ 𝑦 ∈ (0..^𝑁)) → (((𝑋 = ⟨1, 𝑦⟩ ∧ 𝑌 = ⟨1, ((𝑦 + 𝐾) mod 𝑁)⟩) ∨ (𝑋 = ⟨1, ((𝑦 + 𝐾) mod 𝑁)⟩ ∧ 𝑌 = ⟨1, 𝑦⟩)) → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩)))
116	97, 115	sylbid 243	. . . . . . . 8 ⊢ ((((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) ∧ (1^st ‘𝑋) = 0 ∧ (𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉)) ∧ 𝑦 ∈ (0..^𝑁)) → ({𝑋, 𝑌} = {⟨1, 𝑦⟩, ⟨1, ((𝑦 + 𝐾) mod 𝑁)⟩} → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩)))
117	68, 93, 116	3jaod 1456	. . . . . . 7 ⊢ ((((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) ∧ (1^st ‘𝑋) = 0 ∧ (𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉)) ∧ 𝑦 ∈ (0..^𝑁)) → (({𝑋, 𝑌} = {⟨0, 𝑦⟩, ⟨0, ((𝑦 + 1) mod 𝑁)⟩} ∨ {𝑋, 𝑌} = {⟨0, 𝑦⟩, ⟨1, 𝑦⟩} ∨ {𝑋, 𝑌} = {⟨1, 𝑦⟩, ⟨1, ((𝑦 + 𝐾) mod 𝑁)⟩}) → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩)))
118	117	rexlimdva 3163	. . . . . 6 ⊢ (((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) ∧ (1^st ‘𝑋) = 0 ∧ (𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉)) → (∃𝑦 ∈ (0..^𝑁)({𝑋, 𝑌} = {⟨0, 𝑦⟩, ⟨0, ((𝑦 + 1) mod 𝑁)⟩} ∨ {𝑋, 𝑌} = {⟨0, 𝑦⟩, ⟨1, 𝑦⟩} ∨ {𝑋, 𝑌} = {⟨1, 𝑦⟩, ⟨1, ((𝑦 + 𝐾) mod 𝑁)⟩}) → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩)))
119	16, 118	sylbid 243	. . . . 5 ⊢ (((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) ∧ (1^st ‘𝑋) = 0 ∧ (𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉)) → ({𝑋, 𝑌} ∈ 𝐸 → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩)))
120	119	3exp 1137	. . . 4 ⊢ ((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) → ((1^st ‘𝑋) = 0 → ((𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉) → ({𝑋, 𝑌} ∈ 𝐸 → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩)))))
121	120	com34 92	. . 3 ⊢ ((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) → ((1^st ‘𝑋) = 0 → ({𝑋, 𝑌} ∈ 𝐸 → ((𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉) → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩)))))
122	121	3imp 1128	. 2 ⊢ (((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) ∧ (1^st ‘𝑋) = 0 ∧ {𝑋, 𝑌} ∈ 𝐸) → ((𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉) → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩)))
123	13, 122	mpd 16	1 ⊢ (((𝑁 ∈ (ℤ_≥‘3) ∧ 𝐾 ∈ 𝐽) ∧ (1^st ‘𝑋) = 0 ∧ {𝑋, 𝑌} ∈ 𝐸) → (𝑌 = ⟨0, (((2^nd ‘𝑋) + 1) mod 𝑁)⟩ ∨ 𝑌 = ⟨1, (2^nd ‘𝑋)⟩ ∨ 𝑌 = ⟨0, (((2^nd ‘𝑋) − 1) mod 𝑁)⟩))

Colors of variables: wff setvar class

This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ wa 401 ∨ wo 861 ∨ w3o 1102 ∧ w3a 1103 = wceq 1569 ∈ wcel 2144 ≠ wne 2955 ∃wrex 3086 Vcvv 3450 {cpr 4586 ⟨cop 4834 class class class wbr 5102 ‘cfv 6539 (class class class)co 7421 1^st c1st 8000 2^nd c2nd 8001 ℂcc 11202 ℝcr 11203 0cc0 11204 1c1 11205 + caddc 11207 < clt 11347 − cmin 11545 / cdiv 11977 ℕcn 12339 2c2 12401 3c3 12402 ℕ₀cn0 12610 ℤ_≥cuz 12969 ℝ⁺crp 13124 ..^cfzo 13792 ⌈cceil 13935 mod cmo 14013 Vtxcvtx 29580 Edgcedg 29631 USGraphcusgr 29736 gPetersenGr cgpg 49232

This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7752 ax-cnex 11260 ax-resscn 11261 ax-1cn 11262 ax-icn 11263 ax-addcl 11264 ax-addrcl 11265 ax-mulcl 11266 ax-mulrcl 11267 ax-mulcom 11268 ax-addass 11269 ax-mulass 11270 ax-distr 11271 ax-i2m1 11272 ax-1ne0 11273 ax-1rid 11274 ax-rnegex 11275 ax-rrecex 11276 ax-cnre 11277 ax-pre-lttri 11278 ax-pre-lttrn 11279 ax-pre-ltadd 11280 ax-pre-mulgt0 11281 ax-pre-sup 11282

This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-pss 4014 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-int 4907 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-we 5605 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6541 df-fn 6542 df-f 6543 df-f1 6544 df-fo 6545 df-f1o 6546 df-fv 6547 df-riota 7378 df-ov 7424 df-oprab 7425 df-mpo 7426 df-om 7879 df-1st 8002 df-2nd 8003 df-frecs 8303 df-wrecs 8334 df-recs 8383 df-rdg 8422 df-1o 8480 df-oadd 8484 df-er 8721 df-en 8978 df-dom 8979 df-sdom 8980 df-fin 8981 df-sup 9438 df-inf 9439 df-dju 9986 df-card 10024 df-pnf 11349 df-mnf 11350 df-xr 11351 df-ltxr 11352 df-le 11353 df-sub 11547 df-neg 11548 df-div 11978 df-nn 12340 df-2 12409 df-3 12410 df-4 12411 df-5 12412 df-6 12413 df-7 12414 df-8 12415 df-9 12416 df-n0 12611 df-xnn0 12684 df-z 12698 df-dec 12819 df-uz 12970 df-rp 13125 df-fz 13644 df-fzo 13793 df-fl 13936 df-ceil 13937 df-mod 14014 df-hash 14479 df-dvds 16429 df-struct 17331 df-slot 17366 df-ndx 17378 df-base 17394 df-edgf 29573 df-vtx 29582 df-iedg 29583 df-edg 29632 df-umgr 29667 df-usgr 29738 df-gpg 49233

This theorem is used by: gpgedgiov 49257 gpgedg2ov 49258 gpgnbgrvtx0 49266 pgnbgreunbgrlem2lem1 49306 pgnbgreunbgrlem2lem2 49307 pgnbgreunbgrlem2lem3 49308 pgnbgreunbgrlem5lem3 49314

W3C validator