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Originally Posted by dleviwing I concluded that it was not a topic of interest and its value was not understood. |
Unless someone is doing detailed analysis of certain physical phenomenon such as light, local symmetry principle is not a topic of interest but global symmetry has also been taken for granted by less technically oriented people. A featureless ball has perfect symmetry but once a line is drawn on its surface, then its symmetry is said to be broken. And for a cube it is always possible to label one side as the front the opposite the back, one side as the right and its opposite as the left then the top and the bottom. The 2nd choice and the 3rd is constraint by the 1st choice, while the 3rd choice is also constraint by the 2nd choice.