Epistemic logic and epistemology went separate ways since the 1960s, with adventures of their own. But they are developing new interfaces today in the study of inquiry and agency. I give a brief survey of what led up to this. Then, I propose the dynamics of epistemic actions, on a par with knowledge or belief per se, as a theme that fits both logic and epistemology, without hiding their (productive) differences in intellectual temperament. I conclude with some comments on the general interplay of logic and philosophy.


J. van Benthem, 2011, Logical Dynamics of Information and Interaction, Cambridge University Press, Cambridge UK. 

–, 2015, ‘Talking About Knowledge’, in C. Baskent, L. Moss & E. Pacuit, eds., Rohit Parikh Volume, Outstanding Contributions to Logic, Springer, Dordrecht.