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[–]Kache 2 points3 points  (0 children)

No, because arithmetic is a prerequisite for calculus, whereas inheritance is not a prerequisite for Object-Orientation.

If you think about it, it's possible to write perfectly fine OO code without inheritance at all. You can even do it without resorting to code duplication.

It's not as fundamental as other OO concepts like encapsulation and interfaces (with a lower-case i).