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It has also been suggested ( for example , in Jean Piaget 's 1918 work " Recherche " ) that the unity of science can be considered in terms of a circle of the sciences , where logic is the foundation for mathematics , which is the foundation for mechanics and physics , and physics is the foundation for chemistry , which is the foundation for biology , which is the foundation for sociology , the moral sciences , psychology , and the theory of knowledge , and the theory of knowledge is based on logic .
 Jean Piaget
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Answer:
 Jean Piaget