"a rule or law concerning a natural phenomenon or the function of a complex system; \"the principle of the conservation of mass\"; \"the principle of jet propulsion\"; \"the right-hand rule for inductive fields\""@en-us . . . "principle"@en-us . . . "05874232-n"^^ . . . . . . . . . . "104519930"@en-us . . "0"^^ . "principle"^^ . . . . . . . . . "0"^^ . . . . . . . . "rule"@en-us . . . . . . . "105874232"^^ . . . . . . . "105532391"@en-us . . . "a rule or law concerning a natural phenomenon or the function of a complex system; \"the principle of the conservation of mass\"; \"the principle of jet propulsion\"; \"the right-hand rule for inductive fields\""@en-us . . . . .