Paley Class
The Paley class of a Positive Integer 
is defined as the set of all possible Quadruples 
where
is an Odd Prime, and
See also Hadamard Matrix, Paley Construction
- Perfect Cuboid
- Perfect Difference Set
- Perfect Digital Invariant
- Perfect Information
- Perfect Magic Cube
- Perfect Number
- Perfect Partition
- Perfect Proportion
- Perfect Rectangle
- Perfect Ruler
- Perfect Set
- Perfect Square
- Perfect Square Dissection
- Periapsis
- Perigon
- Perimeter
- Perimeter Polynomial
- Period Doubling
- Periodic Function
- Periodic Point
- Periodic Sequence
- Period Three Theorem
- Perkins' Quilt
- Perko Pair
- Permanence of Algebraic Form