Reference · Sets
rainbow.math.sets.range
Lean-compatible Set range ordering and native finite-range laws.
set/lean-range
set/lean-range.{u, v} :
(B : Type v) (A : Type u) (mapping : A → B)
→ set/Set Bset/finite-range-constant
set/finite-range-constant.{u, v} :
(A : Type u) (B : Type v) (selected : B)
→ set/finite B (set/lean-range B A (fun x₄ => selected))