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Grandparent said that the law doesn't say that "a and not a" is always INvalid. (The law also doesn't say that "a and not a" is sometimes valid. It makes no com
by dash2 6y ago
Grandparent said that the law doesn't say that "a and not a" is always INvalid. (The law also doesn't say that "a and not a" is sometimes valid. It makes no comment at all, but only claims that "a or not a" is always valid. According to the grandparent. Now I need to lie down for a bit....)