Documents CS1022 Computer Programming & Principles Lecture 2 Functions.

Slide 1 CS1022 Computer Programming & Principles Lecture 2 Functions Slide 2 Plan of lecture Inverse functions Composition of functions Pigeonhole principle Fundamentals…

Documents Theorem 3.5: Let f be an everywhere function from A to B. Then (i) f I A = f .

Theorem 3.5: Let f be an everywhere function from A to B. Then (i)f IA=f. (ii)IB  f = f. Proof. Concerning(i), let aA, (f  IA)(a) ?=f(a). Property (ii) is proved…