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Conjectural history is a type of historiography isolated in the 1790s by Dugald Stewart, who termed it "theoretical or conjectural history," as prevalent in the historians and early social scientists of the Scottish Enlightenment. As Stewart saw it, such history makes space for speculation about causes of events, by postulating natural causes ...
In mathematics, a conjecture is a conclusion or a proposition that is proffered on a tentative basis without proof. [1] [2] [3] Some conjectures, such as the Riemann hypothesis or Fermat's conjecture (now a theorem, proven in 1995 by Andrew Wiles), have shaped much of mathematical history as new areas of mathematics are developed in order to ...
Manin–Mumford conjecture; Marden tameness conjecture; Mariño–Vafa conjecture; Milin conjecture; Milnor conjecture (K-theory) Milnor conjecture (knot theory) Modularity theorem; Mordell conjecture; Mordell–Lang conjecture; Mordell's conjecture; Morita conjectures
Chudnovsky–Robertson–Seymour–Thomas theorem 2002: Grigori Perelman: Poincaré conjecture, 1904: 3-manifolds: 2003: Grigori Perelman: geometrization conjecture of Thurston: 3-manifolds: ⇒spherical space form conjecture: 2003: Ben Green; and independently by Alexander Sapozhenko: Cameron–Erdős conjecture: sum-free sets: 2003: Nils ...
A conjecture is a proposition that is unproven. Conjectures are related to hypotheses , which in science are empirically testable conjectures. In mathematics , a conjecture is an unproven proposition that appears correct.
No free lunch in search and optimization (computational complexity theory) No free lunch theorem (philosophy of mathematics) No-hair theorem ; No-trade theorem ; No wandering domain theorem (ergodic theory) Noether's theorem (Lie groups, calculus of variations, differential invariants, physics) Noether's second theorem (calculus of variations ...
In proof by exhaustion, the conclusion is established by dividing it into a finite number of cases and proving each one separately. The number of cases sometimes can become very large. For example, the first proof of the four color theorem was a proof by exhaustion with 1,936 cases. This proof was controversial because the majority of the cases ...
The history of scientific method considers changes in the methodology of scientific inquiry, not the history of science itself. The development of rules for scientific reasoning has not been straightforward; scientific method has been the subject of intense and recurring debate throughout the history of science, and eminent natural philosophers and scientists have argued for the primacy of ...