(Goedel's) incompleteness theorem
(Goedel's) incompleteness theorem
trigonometric addition formulas
four-color theorem (colour) (theorem stating that any map can be colored such that no two adjacent segments have the same color, if only four colors are used)
four-color theorem (colour) (theorem stating that any map can be colored such that no two adjacent segments have the same color, if only four colors are used)
Bernoulli's theorem; Bernoulli's principle
factor price equalization theorem
intermediate value theorem
l'Hospital's rule; l'Hôpital's rule