Item:Q6401: Difference between revisions
Created a new Item: quadric surface, locus of zeros of a quadratic polynomial in a three-dimensional space (affine or projective, not necessarily real) |
Created claim: subclass of (P1): surface (mathematics) (Q1388) |
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Property / subclass of | |||
Property / subclass of: surface (mathematics) / rank | |||
Normal rank |