Home›Number Theory›Proof MethodBrowse ByProof MethodFactsProof MethodSourcesComments (0)Reader Challenges (0)FactsComparisonEra Of EmergenceWell-attested1800 BCE 1Proof MethodContradictionProof Method5 entriesInductionProof Method3 entriesSources1. Number Theory (Wikipedia)tier 2Wikimedia FoundationHistory sectionQuote, History sectionThe earliest historical find of an arithmetical nature is the Plimpton 322, dated c. 1800 BC.View the SourceComments (0)No comments yet. Be the first to share a thought.Sign in to join the discussion.Reader Challenges (0)No disputes yet. Spotted an error or a better source? Open the first one.Sign in to dispute this or suggest a correction.