Cantor's Diagonal Argument/Historical Note

Historical Note on Cantor's Diagonal Argument

Georg Cantor was the first on record to have used the technique of what is now referred to as Cantor's Diagonal Argument when proving the Real Numbers are Uncountable.

Sources

• 2010: Raymond M. Smullyan and Melvin Fitting: Set Theory and the Continuum Problem (revised ed.) ... (previous) ... (next): Chapter $1$: General Background: $\S 3$ A non-denumerable set