Chebyshev's theorem

Meaning

Proper Noun

• The theorem that the prime counting function is of the same order of magnitude as x / ln x, i.e., for the prime counting function π, there are positive constants c and C such that:
• Bertrand's postulate, as proven by Chebyshev.
• Chebyshev's inequality.

Origin

• From Pafnuty Chebyshev, the discoverer.