theorem
proved
wrapper
toComplex_fromComplex
show as:
view Lean formalization →
formal statement (Lean)
48@[simp] theorem toComplex_fromComplex (z : ℂ) :
49 toComplex (fromComplex z) = z := by
proof body
One-line wrapper that applies apply.
50 apply Complex.ext <;> simp [toComplex, fromComplex, toReal_fromReal]
51