Metamath Proof Explorer


Theorem cgr3rotr

Description: Permutation law for three-place congruence. (Contributed by Thierry Arnoux, 1-Aug-2020)

Ref Expression
Hypotheses tgcgrxfr.p ⊢ P = Base G
tgcgrxfr.m ⊢ - ˙ = dist ⁡ G
tgcgrxfr.i ⊢ I = Itv ⁡ G
tgcgrxfr.r ⊢ ∼ ˙ = ∼ 𝒢 ⁡ G
tgcgrxfr.g ⊢ φ → G ∈ 𝒢 Tarski
tgbtwnxfr.a ⊢ φ → A ∈ P
tgbtwnxfr.b ⊢ φ → B ∈ P
tgbtwnxfr.c ⊢ φ → C ∈ P
tgbtwnxfr.d ⊢ φ → D ∈ P
tgbtwnxfr.e ⊢ φ → E ∈ P
tgbtwnxfr.f ⊢ φ → F ∈ P
tgbtwnxfr.2 ⊢ φ → ⟨“ ABC ”⟩ ∼ ˙ ⟨“ DEF ”⟩
Assertion cgr3rotr ⊢ φ → ⟨“ CAB ”⟩ ∼ ˙ ⟨“ FDE ”⟩

Proof

Step Hyp Ref Expression
1 tgcgrxfr.p ⊢ P = Base G
2 tgcgrxfr.m ⊢ - ˙ = dist ⁡ G
3 tgcgrxfr.i ⊢ I = Itv ⁡ G
4 tgcgrxfr.r ⊢ ∼ ˙ = ∼ 𝒢 ⁡ G
5 tgcgrxfr.g ⊢ φ → G ∈ 𝒢 Tarski
6 tgbtwnxfr.a ⊢ φ → A ∈ P
7 tgbtwnxfr.b ⊢ φ → B ∈ P
8 tgbtwnxfr.c ⊢ φ → C ∈ P
9 tgbtwnxfr.d ⊢ φ → D ∈ P
10 tgbtwnxfr.e ⊢ φ → E ∈ P
11 tgbtwnxfr.f ⊢ φ → F ∈ P
12 tgbtwnxfr.2 ⊢ φ → ⟨“ ABC ”⟩ ∼ ˙ ⟨“ DEF ”⟩
13 1 2 3 4 5 6 7 8 9 10 11 12 cgr3swap23 ⊢ φ → ⟨“ ACB ”⟩ ∼ ˙ ⟨“ DFE ”⟩
14 1 2 3 4 5 6 8 7 9 11 10 13 cgr3swap12 ⊢ φ → ⟨“ CAB ”⟩ ∼ ˙ ⟨“ FDE ”⟩