different between connectivity vs trichotomy

English

connective +? -ity

connectivity (countable and uncountable, plural connectivities)

(uncountable) The state of being connected
(telecommunications) The ability to make a connection between two or more points in a network
(countable, mathematics) In a graph, a measure of concatenated adjacency (the number of ways that points are connected to each other)

tri- +? -chotomy; formed analogously from dichotomy as if it were from di- + -chotomy.

trichotomy (countable and uncountable, plural trichotomies)

Division or separation into three groups or pieces.
(algebra) the property of an order relation whereby, given an ordered pair of elements (of a given algebraic structure), exactly one of these is true: the first element is 'less than' the second one, the second is 'less than' the first, or the two elements are equal.

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