tacticSz_positivity — Mathlib

English

Several lemmas establish positivity of ε under various bounds involving stepBound and powers.

Русский

Несколько лемм устанавливают позитividad ε при различных ограничениях на stepBound и степени.

LaTeX

$$ε > 0 under appropriate bounds involving stepBound and ε^5$$

Lean4

/-- Local extension for the `positivity` tactic: A few facts that are needed many times for the
proof of Szemerédi's regularity lemma. -/
@[scoped tactic_parser 1000]
public meta def tacticSz_positivity : Lean.ParserDescr✝ :=
  ParserDescr.node✝ `SzemerediRegularity.Positivity.tacticSz_positivity 1024
    (ParserDescr.nonReservedSymbol✝ "sz_positivity" false✝)

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