08/19/2016, 12:24 PM

A variant is including property III also where this is the analogue for 3 th derivative and then making the same conclusion.

This resembles the squeezing theorem imho.

Also the q-derivate is of intrest.

Regards

Tommy1729

This resembles the squeezing theorem imho.

Also the q-derivate is of intrest.

Regards

Tommy1729