144def IsRecognizerInduced (s : Setoid C) : Prop :=
proof body
Definition body.
145 ∃ (E : Type*) (r : Recognizer C E), recognizerSetoid r = s 146 147/-- **The Chain Infimum Property**: The intersection (infimum) of a chain of 148 equivalence relations is an equivalence relation. For setoids, this is 149 the `sInf` operation in the complete lattice of setoids. 150 151 If a family P is closed under chain infima, then for any chain in P, 152 the infimum is in P. -/
depends on (16)
Lean names referenced from this declaration's body.