Meanings
noundiagonal argument (uncountable)
- uncountableA proof developed by Georg Cantor to show that the set of real numbers is uncountably infinite.
Synonyms: Cantor's diagonal argument
Synonyms & antonyms
nounA proof developed by Georg Cantor to show that the set of real numbers is uncountably infinite.
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APA
diagonal argument. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/diagonal%20argument
MLA
“diagonal argument.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/diagonal%20argument. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “diagonal argument,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/diagonal%20argument.
Source: diagonal argument on Wiktionary, CC BY-SA 4.0.