The foundations of mathematics: a study in the philosophy of science /

by Beth, Evert Willem, Beth, Evert Willem
Published 1966

Formal methods : an introduction to symbolic and to the study of effective operations in arithmetic and logic /

by Beth, Evert Willem, Beth, Evert Willem
Published 1962

L'existence en mathematiques : conferences faites a la Sorbone au titredes échanges culturels franco-neerlandais du 29 Mars au 7 Avril 1954 /

by Beth, Evert Willem
Published 1956

Epistemología matemática y psicología : relaciones entre la lógica formal y el pensamiento real /

by Beth, Evert Willem, Beth, Evert Willem, Piaget, Jean 1896-1980
Published 1980