1. Lambek Calculus with Conjugates

   • Igor Sedlár
   • Andrew Tedder

   OriginalPaper 28 July 2020 Pages: 447 - 470

2. Correction to: Lambek Calculus with Conjugates

   • Igor Sedlár
   • Andrew Tedder

   Correction 17 October 2020 Pages: 471 - 471

3. Proof-Theoretic Analysis of the Logics of Agency: The Deliberative STIT

   • S. Negri
   • E. Pavlović

   OriginalPaper Open access 15 July 2020 Pages: 473 - 507

4. Non-classical Models of ZF

   • S. Jockwich Martinez
   • G. Venturi

   OriginalPaper 09 July 2020 Pages: 509 - 537

5. The Poset of All Logics III: Finitely Presentable Logics

   • Ramon Jansana
   • Tommaso Moraschini

   OriginalPaper 31 August 2020 Pages: 539 - 580

6. Measuring Inconsistency in Some Logics with Modal Operators

   • John Grant

   OriginalPaper 28 August 2020 Pages: 581 - 605

7. A Cut-Elimination Proof in Positive Relevant Logic with Necessity

   • Mirjana Ilić

   OriginalPaper 16 November 2020 Pages: 607 - 638

8. Positive Announcements

   • Hans van Ditmarsch
   • Tim French
   • James Hales

   OriginalPaper 07 October 2020 Pages: 639 - 681

9. Book Reviews

   • Marcin Tkaczyk

   Book Review 05 November 2020 Pages: 683 - 686