Did you by any chance mean diagonalization?
- diagonal + -isation (Wiktionary)
“Second, the method that is used, called diagonalisation was already present in the work of du Bois-Reymond for building real functions growing faster than any function in a given sequence of functions.”
“A recent paper, Periods and elementary real numbers claims to exhibit one by means of a kind of diagonalisation argument.”
“The theoretical groundings of the recursive mathematics of Gödel can be found in famous diagonalisation method of Cantor”
“Applying the usual diagonalisation argument (as in the proof of the”
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