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**Obstacle1** If A and B are sets where B has the following binary operation defined on it.

BxB -> B

(b,b') -> b*b'

Then given 2 maps, f,g contained in Map(A,B) we get another map f*g contained in Map(A,B) by setting Map(A,B)xMap(A,B) -> Map(A,B) (f,g) -> f*g

Can anyone explain what’s going on here? I don't understand how maps can be contained in other maps nor the whole pointwise thing.

PS does anyone happen to know if you can write greek characters on a keyboard using alt+ number codes as you can with other european characters?