Thread: How can I prove this inequality?

1. How can I prove this inequality?

My textbook has the following blanket statement

if t < T_0 < T_1 and y(t,T_0) < y(t,T_1).

No matter how I rearrange this thing I don't seem to be able to prove this.

Am I doing something silly here?

2. Re: How can I prove this inequality?

I worked it out