Resolved year places a conjecture's proof in the year it actually appeared. Wikipedia notes that "in papers posted to the arXiv repository in 2002 and 2003, Perelman presented his work proving the Poincare conjecture," nearly a century after Poincare first posed it. Browsing by resolved year shows how long a hard problem can remain open before it finally falls.
Facts
Comparison
Era Of Emergence Resolved Year
Sources
1. Mathematical Logic (Wikipedia)
Wikimedia FoundationHistory sectionQuote, History section
Mathematical logic emerged in the mid-19th century as a subfield of mathematics, reflecting the confluence of two traditions: formal philosophical logic and mathematics.
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