theorem
proved
tactic proof
loadPenalty_zero_of_critical
show as:
view Lean formalization →
formal statement (Lean)
199theorem loadPenalty_zero_of_critical
200 {rhoMin area demand : ℝ}
201 (h : InCriticalBand rhoMin area demand) :
202 loadPenalty rhoMin area demand = 0 := by
proof body
Tactic-mode proof.
203 unfold loadPenalty
204 have hLeft : rhoMin - loadRatio area demand ≤ 0 := by
205 linarith [h.1]
206 have hRight : loadRatio area demand - 1 ≤ 0 := by
207 linarith [h.2]
208 rw [max_eq_left hLeft, max_eq_left hRight]
209 ring
210