形式逻辑 xíngshìluóji formal logic Origin Definitions Defs Strokes Stroke Words Sentences Sents 形式 xíngshì noun form the external manner, style, or method of presentation, especially as contrasted with content 内容 nèiróng; formal逻辑 邏輯 luóji noun logic logic; the science of the laws and forms of thought