This volume of the Logica Yearbook series brings together articles presented at the annual international symposium Logica 2014, Hejnice, the Czech Republic. The articles range over mathematical and philosophical logic, history and philosophy of logic, and the analysis of natural language.

This volume of the Logica Yearbook series brings together articles presented at the annual international symposium Logica 2015, Hejnice, the Czech Republic. The articles range over mathematical and philosophical logic, history and philosophy of logic, and the analysis of natural language.