Good day, I'm studying about Volterra integral. What justifies the last 2 inequalities? If I am not wrong, the norm is the $\sup$-norm on $[0,1]$.
2026-03-27 04:14:55.1774584895
volterra integral
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First one is simply bringing in the absolute value inside the integral and using the previous result. Second one is using Mean Value theorem for $F(u)$.