Science

Mathematical Proof Without Proving: A Century-Old Trick

Updated 2026-07-12 22:40 UTC 1 source Neutral

A century-old mathematical trick, which involves proving a statement without directly addressing it, is now a common part of modern mathematics. The technique sparked debate among mathematicians.

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New Scientist
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 08:00 UTC
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