theorem
proved
term proof
criticalBand_implies_subcritical
show as:
view Lean formalization →
formal statement (Lean)
98theorem criticalBand_implies_subcritical
99 {rhoMin area demand : ℝ} (hArea : 0 < area)
100 (h : InCriticalBand rhoMin area demand) :
101 IsSubcritical area demand := by
proof body
Term-mode proof.
102 rcases h with ⟨_, hlt⟩
103 unfold IsSubcritical
104 unfold loadRatio at hlt
105 have hB : 0 < bandwidth area := bandwidth_pos hArea
106 rw [div_lt_one hB] at hlt
107 simpa using hlt
108