Kaplan's work is primarily focused on issues in the philosophy of language and logic.

His research interests include philosophy of science, logic, and foundations of probability.

Their philosophy of logic leaves no room for the vices that make life worthwhile.

Important figures in the philosophy of logic include (but are not limited to):

From 1962-7 he taught the philosophy of language and logic at Hawkesyard.

From 1960 to 1963, he worked as a research assistant at the University of Munich in philosophy of science and logic.

His main interest in economics was on the nature of the money supply process and the philosophy of science and logic.

The visionary leader who introduced the philosophy of logic to Vulcan.

She is a professor of the philosophy of logic and language.

His work has primarily concerned the philosophy of logic and language.