What people are saying - Write a review
We haven't found any reviews in the usual places.
Other editions - View all
abstract algebra actions algebra of logic algebraic structures axiomatic logic behaviour Bertrand Russell binatorial Boolean algebra calculus character child classes and relations classification combinations combinatorial system Conception of Number concrete operations construction coordinate correlate correspond deductive elementary groupements elements example experimental fact field form of equilibrium formalized logic group INRC groupements of classes hypothesis I'enfant inclusion inverse JEAN PIAGET lattice lattice theory level of concrete liquid logic and psychology logic of propositions logical operations logical relationships logical structures logicians mathematical mechanical equilibrium mental ments multiplicative groupement negation objects opera operational mechanisms operational schemata operational structures p.q v p.q Paris P.U.F. perceptual possible pre-operational problem proportions propositional logic propositional operations psychological reciprocal resultant reversi reversibility semi-lattice sensori-motor serial seriation single system structure of propositional structured wholes sub-sets system of propositional Tautology ternary operations theory tions Traite de logique transformations transitive relation Vienna Circle weight