Linear primacy of curved surfaces of the 2nd order (conoseconds), determined by one of them and the plane

Abstract

Since the plane P is only a special case of a curved surface of the 2nd order (conosecond) K, then from this and some other conosecond, given completely arbitrarily, their linear primacy is quite unambiguously determined. Such will be the aggregate for the determination of which these data are sufficient and can be replaced by any two conoseconds of the same aggregate.

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