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Inverse Image of an Element in the Codomain is Empty
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These are my lecture for University and College level students.
Let X = {1, 3, 5} and Y = {a, b, c, d}. Define g: X → Y
by the following arrow diagram.
e. What is the inverse image of b? of c?
Let X = {1, 3, 5} and Y = {a, b, c, d}. Define g: X → Y
by the following arrow diagram.
e. What is the inverse image of b? of c?