closed bracket.
what should be said.
closed bracket.
what should be said.
Definition: In mathematics, a sesqui- refers to a special case of a ternary operation in which a binary operation is defined on a ternary set (a set containing three elements). In this context, "sesqui-" means "ternary". Therefore, the term "sesquitertial" could be interpreted as a ternary operation where the operation is defined on a ternary set.