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Definition: Binomial Coefficients edit contribute as guest [id:993] Notation
show notation Notation Term LateX Code \(\binom nk\) Binomial Coefficients \(\binom nk\) binomial coefficient Binomial Coefficients binomial coefficient
Let \(X\) be a finite set with exactly \(n\) elements \((|X|=n)\) and let \(X_1, \ldots, X_{t_{nk}} \) be its subsets with exactly \(k\) elements \((|X_i|=k,\forall i=1,\ldots,t_{nk})\). Then we call the number \(t_{nk}\) of such subsets the binomial coefficient and denoted it by
\[t_{nk}=\binom nk.\]
References
[977] Aigner, Martin: “Diskrete Mathematik”, vieweg studium, 1993
Global predecessors:
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708: alphabet, letter, concatenation, string, empty string, formal language
668: axiom of associativity
669: axiom of existence of an identity
571: binary relations
748: cartesian product
836: groupoid (magma)
661: identity, neutral element, left identity, right identity
575: irreflexive, asymmetric and antisymmetric relation
705: law of excluded middle
659: monoid
714: negation
697: order relation for natural numbers
747: ordered pair, n-tuple
723: ordinal number
504: peano axioms
576: preorder (quasiorder), partial and total order, poset and chain
1308: properties of binary relations between two sets
721: properties of transitive sets
572: reflexive, symmetric and transitive relation
710: sematics, proposition
660: semigroup
707: set of binary logical values (true and false)
664: set of natural numbers (peano)
550: set, set element, empty set
718: set-theoretic definitions of natural numbers
552: subset, superset, union, intersection, set difference, set complement, power set
774: successor of oridinal
744: the proving principle by contradiction
592: total maps (../../branches/functions.jpg)
720: transitive set
698: well-ordering principle
1427: zermelo-fraenkel axioms
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