theorem
proved
decidable or rfl
JcostN_eq_Jcost_aggregate
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formal statement (Lean)
51@[simp] theorem JcostN_eq_Jcost_aggregate {n : ℕ} (α x : Vec n) :
52 JcostN α x = Jcost (aggregate α x) := by
proof body
Decided by rfl or decide.
53 rfl
54