Every Linear Pseudo BL-Algebra Admits a State |
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Authors: | Anatolij Dvurečenskij |
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Affiliation: | (1) Mathematical Institute, Slovak Academy of Sciences, Štefánikova 49, 814 73 Bratislava, Slovakia |
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Abstract: | We show that every linear pseudo BL-algebra, hence every representable one, admits a state and is good. This solves positively
the problem on the existence of states raised in Dvurečenskij and Rachůnek (Probabilistic averaging in bounded communitative
residuated ℓ-monoids, 2006), and gives a partial answer to the problem on good pseudo BL-algebras from Di Nola, Georgescu
and Iorgulescu (Multiple Val Logic 8:715–750, 2002) Problem 3.21]. Moreover, we present that every saturated linear pseudo
BL-algebra can be expressed as an ordinal sum of Hájek’s type of irreducible pseudo linear pseudo BL-algebras.
The paper has been supported by the Center of Excellence SAS—Physics of Information—I/2/2005, the grant VEGA no. 2/3163/23
SAV and by Science and Technology Assistance Agency under the contract no. APVT-51-032002. Bratislava, Slovakia. |
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Keywords: | Pseudo BL-algebra BL-algebra GMV-algebra State Filter Normal filter Cut |
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