A standard "reasoning" (рассуждение) consists of three mandatory parts:
To share a character’s inner thoughts or author's philosophy. rassuzhdenie v raznykh stiliakh rechi konspekt uroka
Standardized phrasing, lack of emotion, extreme clarity, formal vocabulary. To persuade the audience or raise a social issue. lack of emotion
The way we "reason" changes based on who we are talking to and what our goal is. Key Features To explain a phenomenon or prove a theory. rassuzhdenie v raznykh stiliakh rechi konspekt uroka
To reinforce knowledge about the structure of a reasoning text (thesis — arguments/proof — conclusion).