Definition:Chebyshev-Sylvester Constant/Historical Note

Historical Note on Chebyshev-Sylvester Constant
In $1896$, and  independently proved the Prime Number Theorem.

This demonstrated that the inequality defining this constant is true for all $\alpha > 0$ for sufficiently large $x$,.

Hence the Chebyshev-Sylvester constant is now only of historical interest.