% Author: CatInCosmicSpace \NeedsTeXFormat{LaTeX2e}[1995/12/01] \ProvidesPackage{21-IU8-math}[2021/03/21 v1.2 Математика] \RequirePackage{amsthm} \theoremstyle{definition} \newtheorem{definition}{Определение}[section] \newtheorem{theorem}{Теорема}[section] \newtheorem{corollary}{Следствие}[theorem] \newtheorem{lemma}{Лемма}[section] \newtheorem{example}{Пример}[section]