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def definition def or abbrev

MollifierCkRoute

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 247def MollifierCkRoute : Prop :=

proof body

Definition body.

 248  ∃ (φ : ℕ → ContDiffBump (0 : ℝ)),
 249    Filter.Tendsto (fun n => (φ n).rOut) Filter.atTop (nhds 0)
 250
 251set_option maxHeartbeats 400000 in
 252/-- Existence of a shrinking-support bump family on `ℝ`. -/

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