Email: portico-services@ucl.ac.uk
Help Desk: http://www.ucl.ac.uk/ras/portico/helpdesk
- Honorary Emeritus
- Dept of Philosophy
- Faculty of Arts & Humanities
I have degrees in Philosophy (BA, DPhil) and Mathematics (MSc).




Research areas:
Past
Philosophical views underlying 20th century l programmes in foundations of mathematics.
Current:
Epistemology of visual thinking in mathematics.
The nature of (finite cardinal) numbers and our knowledge of them.
The nature of our knowledge of abstracta (e.g. properties, relations, structures . . .)
The possibility and nature of non-empirical knowledge, esp. conceptual knowledge.
UG modules I have taught recently:
Intro to Axiomatic Set Theory; Intro to Scientific Inquiry; Philosophy of Basic Geometry and Arithmetic.
Epistemology - A Priori Knowledge; Our Knowledge of Abstracta; 20th C Philosophy of Mathematics.
Graduate only module:
Computability, Incompleteness and Mind.