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- New webpage at www.vadimkulikov.org March 24, 2017
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# Monthly Archives: June 2010

## Euler’s Riddle

Please comment your solutions, questions and remarks.. I found in a recreational book the following riddle attributed to Leonard Euler. The book gives a clumsy solution involving solutions of quadratic equations, a lot of fractions and half a page of … Continue reading

Posted in Algebra, Mathematics, Recreation, Wednesday Problem
2 Comments

## How To Find Your Way Out of Woods

Please comment your solutions, questions and remarks.. A lumberjack got lost in a forest. He knows that the area of the forest is S and that there are no meadows in the forest. Show that he can get out from … Continue reading

Posted in Geometry, Mathematics, Recreation, Wednesday Problem
3 Comments

## The Most Important Relation In Mathematics 1

Part 1: Basics In this and few following posts I will argue that not only in mathematics, but in all human reasoning, the role of equivalence relations is crucial. The notion of an equivalence relation is the key to any … Continue reading

Posted in Education, Foundations, Mathematics, Philosophy
3 Comments