Search Results for ""

The process of taking the complement of a set or truth function. In the latter case, complementation is equivalent to the NOT operation.

A type I Markov move.

A positive-height (outward-pointing) pyramid used in augmentation. The term was introduced by B. Grünbaum.

A section of a graph obtained by finding its intersection with a plane.

To rearrange without cutting or pasting.

A type II Markov move.

The set closure of the set of arguments of a function f for which f is not zero.

The Reidemeister move of type I.

An operator defined on a set S which takes two elements from S as inputs and returns a single element of S. Binary operators are called compositions by Rosenfeld (1968). Sets ...

The symbol intersection , used for the intersection of sets, and sometimes also for the logical connective AND instead of the symbol ^ (wedge). In fact, for any two sets A ...