Ramsey, Frank Plumpton, Foundations : essays in philosophy, logic, mathematics and economics / F.P. Ramsey ; edited by D.H. Mellor ; with introductions by D.H. Mellor ... [et al.]. - London : Routledge & Kegan Paul, 1978. - vii, 287 p. ; ISBN: 0710088094 : Subjects--Topical Terms: Philosophy. Dewey Class. No.: 101 / Fo