theorem entry_rate_pos_when_profitable {lambda pi cost : ℝ} (hlam : 0 < lambda) (hprofit : cost < pi) : 0 < entryRate lambda pi cost := by simp only [entryRate] exact mul_pos hlam (lt_max_of_lt_right (by linarith))
thesis/CESProofs/Dynamics/EntryExitDynamics.lean:174
## Entry-Exit Dynamics