目次

1.Preface.- 2.Introduction.- 3.Mathematics and the nature of knowledge - an introductory essay.- 4.The miraculous left hand - Leonardo and the nature of knowledge.- 5.Relationships between the social and natural sciences.- 6.Changes in the knowledge system and their implications for the formative stage of scholars.- 7.Remarks on the science and technology of language.- 8.How mathematics is rooted in life.- 9.Tarski, truth and natural languages.- 10.Formal semantics, geometry and mind.- 11.Discours, Interaction and Communication.- 12.On what there is - infinitesimals and the nature of numbers.