Polyadic algebras with terms: A signature-free approach

Author(s):  
Jānis Cīrulis
Keyword(s):  
2000 ◽  
Vol 8 (4) ◽  
pp. 383-392 ◽  
Author(s):  
P. Halmos
Keyword(s):  

Studia Logica ◽  
2007 ◽  
Vol 87 (1) ◽  
pp. 1-11 ◽  
Author(s):  
Miklós Ferenczi

2000 ◽  
Vol 65 (3) ◽  
pp. 1143-1167 ◽  
Author(s):  
István Németi ◽  
Gábor Sági

AbstractAmong others we will prove that the equational theory of ω dimensional representable polyadic equality algebras (RPEAω's) is not schema axiomatizable. This result is in interesting contrast with the Daigneault-Monk representation theorem, which states that the class of representable polyadic algebras is finite schema-axiomatizable (and hence the equational theory of this class is finite schema-axiomatizable. as well). We will also show that the complexity of the equational theory of RPEAω is also extremely high in the recursion theoretic sense. Finally, comparing the present negative results with the positive results of Ildikó Sain and Viktor Gyuris [12], the following methodological conclusions will be drawn: The negative properties of polyadic (equality) algebras can be removed by switching from what we call the “polyadic algebraic paradigm” to the “cylindric algebraic paradigm”.


1993 ◽  
Vol 28 (1) ◽  
pp. 51-66 ◽  
Author(s):  
Don Pigozzi ◽  
Antonino Salibra

Studia Logica ◽  
1982 ◽  
Vol 41 (4) ◽  
pp. 317-327 ◽  
Author(s):  
Roch Ouellet

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