Porous Set
In mathematics, a porosity is a concept in the study of metric spaces. Like the concepts of meagre and measure zero sets, porosity is a notion of a set being somehow "sparse" or "lacking bulk"; however, porosity is not equivalent to either of the above notions, as shown below.
Read more about Porous Set: Definition, Properties
Famous quotes containing the words porous and/or set:
“Does art reflect life? In movies, yes. Because more than any other art form, films have been a mirror held up to society’s porous face.”
—Marjorie Rosen (b. 1942)
“I set forth notions that are human and my own, simply as human notions considered in themselves, not as determined and decreed by heavenly ordinance.”
—Michel de Montaigne (1533–1592)