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math.LO2021★ 1 cited
A note on non-generators in partially ordered sets
Paolo Lipparini
A folklore argument shows that Frattini's characterization of non-generators works in the framework of algebraic partially ordered sets. We provide characterizations of non-generat…
math.LO2021
Linearly ordered sets with only one operator have the amalgamation property
Paolo Lipparini
The class of linearly ordered sets with one order preserving unary operation has the Strong Amalgamation Property (SAP). The class of linearly ordered sets with one strict order pr…