lean_workbook_plus_73984
ProvedWhat if for x=0, and everywhere else?
Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_73984 : ∃ f : ℝ → ℝ, ∀ x, (x = 0 → f x = 1) ∧ (x ≠ 0 → f x = 0) := by sorry
Source
What if for x=0, and everywhere else?
import Mathlib.Analysis.Complex.Basic
theorem lean_workbook_plus_73984 : ∃ f : ℝ → ℝ, ∀ x, (x = 0 → f x = 1) ∧ (x ≠ 0 → f x = 0) := by sorry