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Cardinal number
in mathematics cardinal numbers or cardinals for short are a generalized kind of number used to denote the size of a...
Axiom of choice
in mathematics the axiom of choice or ac is an axiom of set theory intuitively speaking ac says that given a collect...
Axiom of regularity
the axiom of regularity also known as the axiom of foundation is one of the axioms of zermelo fraenkel set theory...
Axiom
axioms redirects here for other senses of this word see axiom disambiguation article an...
Cardinality
in mathematics the cardinality of a set mathematics set is a measure of the number of elements of the set there are tw...
Continuum hypothesis
in mathematics the continuum hypothesis is a hypothesis advanced by georg cantor about the possible sizes of infinite set...
Naive set theory
in abstract mathematics naive set theory origin was the first development of set theory which was later to be framed more careful...
Finite set
...is a natural number the value n is allowed that is the empty set is finite all finite sets are countable some authors use countable to mean countably infinite set infinite and t...
Empty set
in mathematics and more specifically set theory the empty set is the unique set which contains no elements in axiomatic set theory it is postulated to...
Countable set
countable the linguistic concept count noun in mathematics a countable set is a set with the same cardinality i e cardinal number number of elements as some...
Georg Cantor
...gen denmark and brought up in a lutheran germany german mission in st petersburg georg cantor s father was a denmark danish man of lutheran religion cantor himself is quoted as referrin...
Cartesian product
in mathematics the cartesian product or direct product of two set s x and y denoted x y is the set of a...
Euclidean geometry
euclidean geometry is a mathematical well known system attributed to the greeks greek mathematician euclid...
Cantor set
the cantor set introduced by germany german mathematician georg cantor is a construction of a set...
Cardinal
the word cardinal comes from the latin cardo for hinge and usually refers to things of fundamental...
Cofinality
in mathematics especially in order theory the cofinality cf a of a partially ordered set a is the least of the cardinality cardinalities...
Cartesianism
Infinitive
in grammar infinitive is the name for certain verb forms that exist in many languages in the usual traditional descr...
Lebesgue measure
in mathematics the lebesgue measure is the standard way of assigning a length area or volume to subsets of euclidean sp...
