348 Answered Questions for the topic discrete mathematics

Discrete Mathematics Math Calculus Discrete Math

09/29/20

Please help with logical equivalences!!!
Let  and  be any given sets. Use set builder notation and logical equivalences to show that       .
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Discrete Mathematics Discrete Math Computer Science

09/22/20

Discrete Math - Permute letters question
How many ways are there to permute the letters in HAPPY?
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Discrete Mathematics Math Calculus Discrete Math

09/21/20

Please help with this question!
In each of the following, decide whether the given quantified statement is true or false (the domain for both  and  is the set of all real numbers). Provide a brief justification in each... more
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Discrete Mathematics Math Calculus Discrete Math

09/21/20

Please help with this question!
In each of the following, decide whether the given quantified statement is true or false (the domain for both  and  is the set of all real numbers). Provide a brief justification in each... more
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Discrete Mathematics Math Discrete Math Maths

09/21/20

Discrete Math Counting Question
How many 10-digit telephone numbers (that is, length-10 sequences with entries from ) are there for which no two adjacent numbers are both even or both odd?I calculated 14400 from 5! * 5! but this... more
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Discrete Mathematics Math Calculus Discrete Math

09/21/20

Please help with this question!!!
Negate the following statement:                  Is the negation true or false? Briefly justify your answer.
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09/21/20

Please help with negation of this question!!!
Negate the following statement:                  Is the negation true or false? Briefly justify your answer.
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Discrete Mathematics Math Calculus Discrete Math

09/18/20

Please help with negation!!!
The negation of the sentence "If the product   is even, then  is even or  is even" is?
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Discrete Mathematics Math Calculus Discrete Math

09/18/20

Please help with this question!
Prove if it is tautology (p→q) ∨ [(p ∨ ¬q ∨ p) ∨ ¬r)] with the use propositional laws. *please use the propositional laws to prove this.
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Discrete Mathematics Math Calculus Discrete Math

09/18/20

Please help with this question!
Prove if it is tautology(p→q) ∨ [(p ∨ ¬q ∨ p) ∨ ¬r)] with use propositional laws.
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Discrete Mathematics Math Calculus Discrete Math

09/18/20

Please help with the negation of the following question!!!
What would be the negation of the statement ?
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Discrete Mathematics Math Calculus Discrete Math

09/18/20

Please help with the following question!!!
Which of the following quantified statements is (are) true? Let the domain for  be the set of all real numbers.[Note: There may be multiple correct answers!]a.) b.) c.) d.)  e.) f.)
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Discrete Mathematics Calculus Discrete Math Linear Algebra

09/18/20

Please help with predicate!!!!
If the domain is  - the set of all integers (i.e.,  ), then the predicate    is TRUE for all of the following values of :a.) No values of in this domain make the predicate trueb.) - this is the... more
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Discrete Mathematics Math Discrete Math Mathematics

09/12/20

Discrete Math: Sets and Cardinality
Find the cardinality of each indicated set. Assume Ν0={0,1,2,3...}A = {n∈Ζ ; |n| < 84} |A| = ?B = {n∈A ; n=3m for some m∈Ν0} Note that A is the set defined above.|B| = ?I'm kind of confused with... more
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Discrete Mathematics Discrete Math

09/06/20

Discrete Mathematics Questions
Discrete Mathematics Questions
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Discrete Mathematics Discrete Math

09/06/20

Discrete Mathematics Questions
Discrete Mathematics Questions
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Discrete Mathematics Discrete Math

09/06/20

Discrete Mathematics Questions
Discrete Mathematics Questions
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Discrete Mathematics Discrete Math

09/06/20

Discrete Mathematics Questions
Discrete Mathematics Questions
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Discrete Mathematics Discrete Math

09/05/20

Discrete Mathematics Questions

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Discrete Mathematics Discrete Math

08/29/20

Proof of the question
Assume that x ∈ Q and y ∈ R∖Q. For each of the following, either prove the statement is true, or provide a counterexample to prove the statement is false.(a) ∀x, y, x + y is rational.(b) ∀x, y, x... more
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Discrete Mathematics Discrete Math

08/29/20

Proof of the question
Prove that { 6x | x ∈ Z}={ 2x | x ∈ Z } ∩ { 3x | x ∈ Z }.Hint: Try proving set containment in both direction (⊆ and ⊇).
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Discrete Mathematics Discrete Math

07/10/20

Prove that N has the same carnality as {m€Z m is even Λ m ≤ -100}
Prove that N has the same carnality as {m€Z m is even Λ m ≤ -100}
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Discrete Mathematics Equation Sum Combinatorics

04/30/20

finding an sum equation - Combinatorics
I need help finding an equation for the next formula and getting rid of the SUM sign
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Discrete Mathematics Discrete Math

04/17/20

Let n ∈ Z. Prove if n − 2 is even, then 3n 2 + 5 is odd.
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Discrete Mathematics Discrete Math Discrete Discre

03/07/20

Is closure property satisfied or not also depend on the elements of sets or only on operations

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