Require Export B5_Entre_Prel.
Section CIRCLE_DEFINITIONS.

(* Specifications: *)
Lemma FMCircle : forall F : Figure, forall G : Circle F, forall M : Point,
F M -> Distance (Center F G) M = Radius F G.
Lemma CircleFM : forall F : Figure, forall G : Circle F, forall M : Point,
Distance (Center F G) M = Radius F G -> F M.
Lemma CircleSuperimposedCr : forall F : Figure, forall G : Circle F,
Superimposed F (fun M : Point => Distance (Center F G) M = Radius F G).