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BCC-algebras with pseudo-valuations - MaRDI portal

BCC-algebras with pseudo-valuations (Q2867601)

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scientific article; zbMATH DE number 6241308
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BCC-algebras with pseudo-valuations
scientific article; zbMATH DE number 6241308

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    BCC-algebras with pseudo-valuations (English)
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    19 December 2013
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    weak pseudo-valuation
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    pseudo-metric induced by BCK-pseudo-valuation
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    BCK/BCC-valuation
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    A real-valued function \(\varphi\) defined on a BCK-algebra \(X\) is a pseudo-valuation if \(\varphi(0)=0\) and \(\varphi(x*y)\geq\varphi(x)+\varphi(y)\) for all \(x,y\in X\). If \(X\) is a BCC-algebra, then the second condition is replaced by \(\varphi((x*y)*z)\geq\varphi(x*z)-\varphi(y)\). Connections between pseudo-valuations on BCK-algebras and BCC-algebras (an important generalization of BCK-algebras) are described. Conditions for a real-valued function to be a BCK-pseudo-valuation are provided.
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