Oh, and on that division by zero thing. It IS valid. We just don't know the solution. Perhaps when we meet aliens or on our own construct beings thinking very differently from us, maybe we'll be able to solve that.
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So, there are no absolutes? I'm not sure...I know the human mind did come up with the J operator (the square root of negative 1) Which according to logic or " algebratic rules" cannot exist. So we called it an imaginary number and plugged it into formulas to explain things that could not be explained without it....Still at some point in the fabric you would think that there would have to be stability. When your dealing with perceptions of reality, the human mind, and what it has created, and start stepping into the areas of thought that question the ways we have justified and explained our world to ourselfs then It gets...well you know how it gets...Soo I will yield to of there comes a need to divide by zero then we will probably find a way if it will help to explain "why"...We tend to be resourseful