A mathematical book is a text that strongly requires the reader to follow a one-dimensional order in which “the reader fully understands the definitions, etc., written earlier,” as opposed to diagrams, mind maps, etc., which do not specify the order. The author writes with the assumption that “the reader will read one-dimensional,” so if you read it differently than that assumption, it doesn’t read well. Both are the same in that they “require the reader to be proficient in reading
relevance - Array Determination - (regular) route
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