1. Foreword

   • F. Esteva
   • L. Godo

   Focus 05 July 2005 Pages: 859 - 861

2. Standard completeness of Hájek basic logic and decompositions of BL-chains

   • R. Cignoli
   • A. Torrens

   Focus 18 May 2005 Pages: 862 - 868

3. Generating the variety of BL-algebras

   • F. Montagna

   Focus 31 May 2005 Pages: 869 - 874

4. Varieties of BL-algebras

   • A. Di Nola
   • F. Esteva
   • F. Montagna

   Focus 31 May 2005 Pages: 875 - 888

5. Finiteness based results in BL-algebras

   • A. D. Nola
   • A. Lettieri

   Focus 02 June 2005 Pages: 889 - 896

6. Sheaf representations of BL-algebras

   • L. Leuştean

   Focus 31 May 2005 Pages: 897 - 909

7. Functions represented by BL-algebra formulas: characterization and approximate representation

   • I. Perfilieva

   Focus 28 June 2005 Pages: 910 - 918

8. Complexity issues in basic logic

   • S. Aguzzoli
   • B. Gerla
   • Z. Haniková

   Focus 31 May 2005 Pages: 919 - 934

9. Arithmetical complexity of fuzzy predicate logics – a survey

   • P. Hájek

   Focus 18 May 2005 Pages: 935 - 941

10. Short note: on the redundancy of axiom (A3) in BL and MTL

    • Petr Cintula

    Focus 01 August 2005 Pages: 942 - 942