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Newly found letters show Georg Cantor stole his famous infinity proof

Ellsworth Toohey
Feb 25, 2026
∙ Paid

Georg Cantor (Public domain)

Georg Cantor’s 1874 proof that infinity comes in different sizes reshaped mathematics. It also appears to have been stolen. Newly discovered letters show that Cantor’s colleague Richard Dedekind provided key proofs that Cantor published under his own name, reports Quanta Magazine.

Demian Goos, a 35-year-old German Argentine ma…

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