This introduction to the special issue on epistemicity and stance provides an overview of epistemic stance resources in a number of European languages, with a focus on discourse-pragmatic meanings and uses. Epistemicity is viewed as a conceptual domain which includes the subcategories of epistemic modality and evidentiality. The contributions in this issue discuss a number of pragmatic features and properties of the expressions under analysis, thus adding to existing knowledge: multifunctionality, interpersonal rapport, facework, discourse functions and joint effects with expressions of other types of stance. An outline of the special issue is also provided, including a summary of all the contributions.

这本关于认知和立场特刊的介绍概述了许多欧洲语言中的认知立场资源，重点是话语语用意义和使用。认知性被视为一个概念领域，其中包括认知模态和证据性的子类别。本期文章讨论了分析中表达的一些语用特征和属性，从而增加了现有知识：多功能性、人际融洽、面子、话语功能以及与其他类型立场表达的联合效应。还提供了特刊的大纲，包括所有贡献的摘要。