Geodesic
Tolerances on poset algebras
Mathematica Bohemica, Tome 117 (1992) no. 1, pp. 93-97.

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To everz partiallz ordered set a certain groupoid is assigned. A tolerance on it is defined similarlz as a congruence, onlz the requirement of transitivitz is omitted. Some theorems concerning these tolerances are proved.
DOI : 10.21136/MB.1992.126238
Classification : 06A06, 06A10, 08A30, 20L05, 20N02
Keywords: principal congruences; poset algebra; commutative groupoid; principal tolerances; partiallz ordered set; tolerance; congruence 
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     title = {Tolerances on poset algebras},
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Zelinka, Bohdan. Tolerances on poset algebras. Mathematica Bohemica, Tome 117 (1992) no. 1, pp. 93-97. doi : 10.21136/MB.1992.126238. http://geodesic.mathdoc.fr/articles/10.21136/MB.1992.126238/

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