TITLE:
Epimorphisms between Finite 4-Valued Modal Algebras
AUTHORS:
Aldo V. Figallo, Elda Pick, Susana Saad
KEYWORDS:
Four Valued Modal Algebras, Tetravalent Modal Algebras, De Morgan Algebra, Epimorphisms, Automorphisms
JOURNAL NAME:
Advances in Pure Mathematics,
Vol.4 No.5,
May
16,
2014
ABSTRACT:
In this
paper, we determine conditions for the existence of an epimorphism between two
finite 4-valued modal algebras and state a method to obtain it. Furthermore, we
obtain formulas which generalize those indicated by R. Sikorski for finite
Boolean algebras [1]
08D0C9EA79F9BACE118C8200AA004BA90B02000000080000000E0000005F005200650066003300380037003200340036003100310038000000
, and by M. Abad and A. V. Figallo for finite 3-valued
ukasiewicz algebras [2]
08D0C9EA79F9BACE118C8200AA004BA90B02000000080000000E0000005F005200650066003300380037003200340036003100320031000000
.