Identity Function in Discrete mathematics The identity function is a special type of linear function which is used to return the same…
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multisets
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The Pigeonhole Principle If n pigeonholes are occupied by n+1 or more pigeons, then at least one pigeonhole is occupied by greater…
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Permutation and Combinations: Permutation: Any arrangement of a set of n objects in a given order is called Permutation of Object. Any…
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Tautology in Discrete Mathematics A tautology is a compound statement that will always be true for every value of individual statements. A…
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Identity Functions The function f is called the identity function if each element of set A has an image on itself i.e.…
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Planar Graph: A graph is said to be planar if it can be drawn in a plane so that no edge cross.…
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Quantifiers Quantifier is used to quantify the variable of predicates. It contains a formula, which is a type of statement whose truth…
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Total Solution The total solution or the general solution of a non-homogeneous linear difference equation with constant coefficients is the sum of…
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Inclusion-Exclusion Principle Let A, B be any two finite sets. Then n (A ∪ B) = n (A) + n (B) –…
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Predicate Logic Predicate Logic deals with predicates, which are propositions, consist of variables. Predicate Logic – Definition A predicate is an expression…