def
definition
def or abbrev
tickToBits
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formal statement (Lean)
53def tickToBits (t : TickIndex) : Fin 2 × Fin 2 × Fin 2 :=
proof body
Definition body.
54 (⟨t.val % 2, Nat.mod_lt _ (by norm_num)⟩,
55 ⟨(t.val / 2) % 2, Nat.mod_lt _ (by norm_num)⟩,
56 ⟨(t.val / 4) % 2, Nat.mod_lt _ (by norm_num)⟩)
57
58/-- Reconstruct tick index from 3 bits. -/