His research interests are mainly related to foundations of mathematics.

Huntington's primary research interest was the foundations of mathematics.

His main work was on the foundations of mathematics, in proof theory.

By this time, Wittgenstein's view on the foundations of mathematics had changed considerably.

Cognitive science should take more interest in the foundations of mathematics.

Some disagreement about the foundations of mathematics continues to the present day.

Today, he is remembered for the work he did in logic and the foundations of mathematics.

He worked in foundations of mathematics, real analysis, probability theory, and mathematical statistics.

She worked in the foundations of mathematics and algebraic logic.

In recent years he has been working on mathematical logic and the foundations of mathematics.