This book is used in Finland for teacher pre-service and in-service education of teachers. It starts with the question: What is mathematics? Instead of giving direct answer, the author used other two questions to be a base for long discussion of mathematics and its nature. The two questions are: 1. What is a point? and 2) Is the square root of 2 equal 1.414?
These two questions were combined to deal with both geometry and algebra and revile the relation between both. The style of writing the books' chapters makes the reader interesting in reading all the book, ending one chapter brings motivation to read the next chapter.
The book is available only in Finnish, translation for other languages would be of help to many.
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