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math.LO2013★ 1 cited
Free algebras in varieties of Hilbert algebras with supremum generated by finite chains
Aldo V. Figallo, Elda Pick, Susana Saad +1
Hilbert algebras with supremum, i.e., Hilbert algebras where the associated order is a join-semilattice were first considered by A.V. Figallo, G. Ramon and S. Saad in [11], and ind…
math.LO2013★ 2 cited
Several characterizations of the 4--valued modal algebras
Aldo V. Figallo, Paolo Landini
A. Monteiro, in 1978, defined the algebras he named tetravalent modal algebras, will be called 4--valued modal algebras in this work. These algebras constitute a generalization of…
math.LO2012
Monadic distributive lattices and monadic augmented Kripke frames
A. V. Figallo, I. Pascual, A. Ziliani
In this article, we continue the study of monadic distributive lattices (or m-lattices) which are a natural generalization of monadic Heyting algebras, introduced by Monteiro and V…