4 http://hdl.handle.net/10338.dmlcz/153775 4 Identical groups of automorphisms of the permutohedron http://hdl.handle.net/10338.dmlcz/153782 Identical groups of automorphisms of the permutohedron A note on resolving inconsistency of fuzzy relational equations on Łukasiewicz algebra http://hdl.handle.net/10338.dmlcz/153781 A note on resolving inconsistency of fuzzy relational equations on Łukasiewicz algebra Preservation of strict monotonicity by some generating methods of fuzzy implications http://hdl.handle.net/10338.dmlcz/153780 Preservation of strict monotonicity by some generating methods of fuzzy implications $\alpha $-ideals in De Morgan residuated lattices http://hdl.handle.net/10338.dmlcz/153779 $\alpha $-ideals in De Morgan residuated lattices