Science

Mathematicians' Controversial Proof Technique

Updated 2026-07-10 10:25 UTC 1 source Neutral

A controversial proof technique in mathematics, which involved physical altercations between mathematicians a century ago, has become an integral part of modern mathematical practice.

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New Scientist

The sneaky maths trick for solving problems without answering them

How can you have a proof without proving anything? Mathematicians found a way and, in the process, came to blows over it – but 100 years on, this trick is a common part of modern maths, says columnist Jacob Aron

2026-07-10 09:00 UTC