Cover Relation

The transitive reflexive reduction of a Partial Order. An element of a Poset covers anotherelement provided that there exists no third element in the poset for which . In this case, iscalled an ``upper cover'' of and a ``lower cover'' of .

• Nonwandering
• Nonzero
• Nordstrand's Weird Surface
• Norm
• Normal
• Normal (Algebraically)
• Normal Curvature
• Normal Curve
• Normal Developable
• Normal Distribution
• Normal Distribution Function
• Normal Equation
• Normal Form
• Normal Function
• Normal Group
• Normalized Vector
• Normalizer
• Normal Magic Square
• Normal Matrix
• Normal Number
• Normal Order
• Normal Plane
• Normal Section
• Normal Subgroup
• Normal to a Plane