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Free monadic Tarski algebras. (English) Zbl 0902.03038
The notion of monadic Tarski algebra was introduced by A. Monteiro and L. Iturrioz [Revista Un. Mat. Argentina 5, 361 (1962)]. Recently, A. V. Figallo [Algebra Univers. 35, No. 1, 141-150 (1996; Zbl 0833.03020)] determined the free monadic Tarski algebra $$\text{FMT} (n)$$ over a finite set of $$n$$ free generators. The authors indicate a much easier way of calculating the number of elements of $$\text{FMT} (n)$$.
Reviewer: J.Duda (Brno)

MSC:
 03G25 Other algebras related to logic 08B20 Free algebras 03G05 Logical aspects of Boolean algebras
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