A set of sets that contains the empty set, all one-element sets for any element that is included in any of the sets, and the union of any group of sets that are elements where the intersections of those sets is non-empty.
A feeling of understanding and ease of communication between two or more people.
sexual intercourse
A kinship relationship between people.
An individual who is related to oneself, through either family or business.
A drug dealer.
The description for a Methodist denomination as a whole, as opposed to its constituent churches, circuits, districts and conferences.
Coherence; lack of disjointedness
The point at which two or more things are connected.
A transfer from one transportation vehicle to another in scheduled transportation service
An established communications or transportation link.
The act of connecting.
A non-empty lower set (of a partially ordered set) which is closed under binary suprema (a.k.a. joins).
A subsemigroup with the property that if any semigroup element outside of it is added to any one of its members, the result must lie outside of it.
A subring closed under multiplication by its containing ring.
A collection of sets, considered small or negligible, such that every subset of each member and the union of any two members are also members of the collection.
A perfect standard of beauty, intellect etc., or a standard of excellence to aim at.
A Lie subalgebra (subspace that is closed under the Lie bracket) 𝖍 of a given Lie algebra 𝖌 such that the Lie bracket [𝖌,𝖍] is a subset of 𝖍.
Not actually present, but considered as present when limits at infinity are included.
Optimal; being the best possibility.
Existing only in the mind; conceptual, imaginary.
Pertaining to ideas, or to a given idea.
Perfect, flawless, having no defects.
Teaching or relating to the doctrine of idealism.