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principle of operation definition, principle of operation meaning | English dictionary. principle. n (Psychoanal) the idea that psychological processes and actions are governed by the gratification of needs. n the. the principle that energy and time or position and momentum, cannot both be accurately measured simultaneously.
1 . The principle of utility states that actions or behaviors are right in so far as they promote happiness or pleasure, wrong as they tend to produce unhappiness or pain. Hence, utility is a teleological principle. 2  Many utilitarians believe that pleasure and pain are objective states and can be, more or less, quantified.