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The music teacher gave my math workbook to my class teacher who then had a talk with me after class. I promised not to do math during...

One thought that occurs to me is that virtually all learning is self-learning. If you enroll in a course and listen to the lectures but...

We don't know what he had in mind, but as a matter of fact, existence of parallel lines does not require the parallel axiom and what the...

Here is the situation as I understand it. Stillwell states Euclid's parallel postulate, then gives an argument meant to prove its...