theorem
proved
term proof
deflection_double
show as:
view Lean formalization →
formal statement (Lean)
74theorem deflection_double (t : ℝ) :
75 deflection (2 * t) = 4 * deflection t := by
proof body
Term-mode proof.
76 unfold deflection
77 ring
78
79/-- Strict positivity for `t ≠ 0`. -/