s, a, e, l, n, p, c, r, i, u are letters that make 'pleasure-unpleasure principle'
principle, pleasure principle, IP, re, EAS, PR, UN, INC, NP, Ci, RI, Ea, sure, ci, as, in, pleasure, plea, lea, Ur, Asur, Sur, AS, IN, NC, Re, LE, As, In, Np, Pr are words within 'pleasure-unpleasure principle'
1 possible definitions for 'pleasure-unpleasure principle'
Under this definition, pleasure-unpleasure principle is a noun and has the following properties:
pleasure principle, pleasure-pain principle have the same meaning as 'pleasure-unpleasure principle'
reality principle has the opposite meaning of pleasure-unpleasure principle
'pleasure-unpleasure principle' can be a type of principle.
'pleasure-unpleasure principle' can be a category of psychoanalysis, analysis, depth psychology.