pith. machine review for the scientific record. sign in
def definition def or abbrev

chi8

show as:
view Lean formalization →

No prose has been written for this declaration yet. The Lean source and graph data below render without it.

generate prose now

formal statement (Lean)

  33def chi8 (n : ℕ) : ℤ :=

proof body

Definition body.

  34  match n % 8 with
  35  | 0 | 2 | 4 | 6 => 0
  36  | 1 | 7 => 1
  37  | 3 | 5 => -1
  38  | _ => 0
  39

used by (23)

From the project-wide theorem graph. These declarations reference this one in their body.

depends on (1)

Lean names referenced from this declaration's body.