theorem
proved
term proof
aligned_beats_perturbed
show as:
view Lean formalization →
formal statement (Lean)
143theorem aligned_beats_perturbed
144 (costs : List ℝ) (hlen : 0 < costs.length)
145 (hpos : ∀ c ∈ costs, 0 < c) :
146 Jcost 1 < costs.sum := by
proof body
Term-mode proof.
147 rw [Jcost_unit0]
148 exact list_sum_pos costs hlen hpos
149
150/-! ## Part 4: Full Derivation Certificate -/
151