behavioral principle; principle (value) governing one's conduct
fundamental (basic) principles; fundamentals; ground rules
fundamental idea; basic concept
market-based mechanisms; open-market forces; basic principle of a free market
first principles; first principle
universal principle; universal principles
principle of identity; law of identity
principle of superposition; superposition principle
principle of majority rule
principle of least action
subcategorization principle; subcategorisation principle
principles and parameters approach
principle of lexical control; PLC
head feature principle; HFP
binding inheritance principle; BIP
foot feature convention; FFP
Pauli exclusion principle; Pauli's principle
Pauli exclusion principle
principle of contradiction; law of contradiction
principle of sufficient reason
principle of maximum entropy
Moon movement; Moonism; Unificationism
minimax principle (in game theory, etc.)
fundamental principles; rules and principles