"Language, Truth and Logic in Mathematics" is a scholarly book that engages with the philosophy of mathematics. It examines two fundamental approaches: one that assumes the results of mathematical activity as given and derives philosophical implications from them, and the other that critically questions the concepts used. The essays collected in this volume represent the second approach and provide an in-depth analysis of fundamental concepts in mathematics and logic. This critical examination often leads to a reevaluation or a creative reworking of the concepts employed in mathematical practice. The outcomes of these reviews are not only critical but also open up new constructive possibilities and perspectives. The far-reaching consequences of these deconstructions and reconstructions are addressed in the essays, offering valuable insights into the philosophical foundations of mathematics.