Cantor's Theorem
The Cardinal Number of any set is lower than the Cardinal Number of the set of all its subsets. A Corollary is that there is no highest 
(Aleph).
- Pascal Line
- Pascal's Formula
- Pascal's Hexagrammum Mysticum
- Pascal's Limaçon
- Pascal's Rule
- Pascal's Theorem
- Pascal's Triangle
- Pascal's Wager
- Pasch's Axiom
- Pasch's Theorem
- Pass Equivalent
- Pass Move
- Patch
- Path
- Path Graph
- Path Integral
- Pathwise-Connected
- Patriarchal Cross
- Pauli Matrices
- Pauli Spin Matrices
- Payoff Matrix
- P-Circle
- Peacock's Tail
- Peano Arithmetic
- Peano Curve