  Formal Methods an Introduction to Symbolic Logic (Hardcover) ISBN-13: 9780677000503 ISBN-10: 0677000502 ?  Mathematical Epistemology and Psychology [Synthese Library] (Hardcover) ISBN-13: 9780677012902 ISBN-10: 067701290X ?  Mathematical Thought an Introduction to the Philosophy of Mathematics (Hardcover) ISBN-13: 9780677006000 ISBN-10: 0677006004 ? |
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