You have chosen 'Set Theory and related topics (2nd ed)' by Seymour Lipschutz, 'The Big Book of Concepts' by Gregory L. Murphy and 'Grundlagen der Arithmetik (Foundations)' by Gottlob Frege
start again | choose another area for these texts | all the ideas for this combination of textsAll the ideas for Objects, or select a subheading: |
A. | Existence of Objects | |
B. | Unity of Objects | |
C. | Structure of Objects | |
D. | Essence of Objects | |
E. | Objects over Time | |
F. | Identity among Objects |