- progenerator
- program
- program evaluation and review technique
- program evalution and review technique
- program interrupt
- program logic
- programming
- programming language
- programming language of artificial intelligence
- programming methodology
- program modal logic
- program theory
- program verification
- progression
- progressive (measurable) process
- projectable lattice-ordered group
- projected transformation group
- projecting cylinder
- projecting direction
- projecting direction
- projecting line
- projecting line
- projecting plane of a straight line
- projecting relative line
- projection