HasEval — Mathlib

English

HasEval is an attribute for elements of S indicating topological nilpotence; it is defined as IsTopologicallyNilpotent.

Русский

HasEval – признак элемента S, указывающий на топологическую нулеподобность; определяется как IsTopologicallyNilpotent.

LaTeX

$$$ \\text{HasEval}(a) \\equiv \\text{IsTopologicallyNilpotent}(a)$$$

Lean4

/-- Points at which evaluation of power series is well behaved -/
abbrev HasEval (a : S) :=
  IsTopologicallyNilpotent a

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