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Recent questions tagged discrete-mathematics

1 votes
1 answer
1621
Set theory
Consider a set S $\left \{ 2,3,4,.....,23,24 \right \}$ and R is relation on S such that aRb if a divides b, then find the number of minimal elements in its hasse diagram
Consider a set S $\left \{ 2,3,4,.....,23,24 \right \}$ and R is relation on S such that aRb if a divides b, then find the number of minimal elements in its hasse diagram...
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0 votes
1 answer
1622
Discrete mathematics C.L.Liu Solutions
Can I have solutions of ELEMENTS OF DISCRETE MATHEMATICS by C.L.Liu Solutions. Pls help
Can I have solutions of ELEMENTS OF DISCRETE MATHEMATICS by C.L.Liu Solutions. Pls help
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1 votes
3 answers
1624
Kenneth Rosen Edition 6th Exercise 5.5 Example 10 (Page No. 377)
How many ways are there to put four different employees into three indistinguishable offices when each office can contain any number of employees?
How many ways are there to put four different employees into three indistinguishable offices when each office can contain any number of employees?
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0 votes
1 answer
1625
Rosen (Graph)
Show that an edge in a simple graph is a cut edge if and only if this edge is not a part of any simple circuit in the graph.
Show that an edge in a simple graph is a cut edge if and only if this edge is not a part of any simple circuit in the graph.
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0 votes
1 answer
1626
Kenneth Rosen Edition 6th Exercise 8.4 Question 70 (Page No. 565 )
How much storage is needed to represent a simple graph with n vertices and m edges using. a) adjacency lists? b) an adjacency matrix? c) an incidence matrix?
How much storage is needed to represent a simple graph with n vertices and m edges using.a) adjacency lists?b) an adjacency matrix?c) an incidence matrix?
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1 votes
1 answer
1629
Generating function doubt
Please give me clarification
Please give me clarification
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1 votes
1 answer
1630
Generating Function
How to apply this theorem to $\frac{x^{3}}{1-x}$
How to apply this theorem to $\frac{x^{3}}{1-x}$
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0 votes
1 answer
1631
Self Doubt
What would be the execution order of the below statement? $A \implies B \implies C$
What would be the execution order of the below statement?$$A \implies B \implies C$$
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2 votes
1 answer
1635
Mathematical Logic
All Tautologies are valid and all Valid arguments are tautologies True/ False
All Tautologies are valid and all Valid arguments are tautologies True/ False
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0 votes
1 answer
1636
Subject Topic- Mathematical Logic
Can someone please explain the highlighted text?
Can someone please explain the highlighted text?
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1 votes
1 answer
1637
Graph theory
If $N=(0,1,2,3 ....)$ , then $(N,+)$ is a Group. If $N=(1,2,3 ....)$ , then $(N,+)$ is a not Group. Which one to consider in exam ?
If $N=(0,1,2,3 ....)$ , then $(N,+)$ is a Group.If $N=(1,2,3 ....)$ , then $(N,+)$ is a not Group.Which one to consider in exam ?
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0 votes
1 answer
1641
maths
The average of 4 distinct prime numbers a, b, c, d is 35 where a < b < c < d. b and c are equidistant from 34 and; a and b are equidistant from 30 and; c and d are equidistant from 40; a and d are equidistant from 36 . The difference between a and d is?
The average of 4 distinct prime numbers a, b, c, d is 35 where a < b < c < d. b and c are equidistant from 34 and; a and b are equidistant from 30 and; c and d are equidi...
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1 votes
0 answers
1643
# pair of sets
Given that X is a set of n elements. How many pairs of sets (A, B) exist such that A⊆B⊆S? a. 2n b. 2n+1 c. 3n
Given that X is a set of n elements. How many pairs of sets (A, B) exist such that A⊆B⊆S?a. 2nb. 2n+1c. 3n
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0 votes
0 answers
1644
mock test
how they are equivalent
how they are equivalent
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2 votes
1 answer
1645
Function
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2 votes
1 answer
1648
Self doubt Set
True/False $\left \{ \phi \right \} \neq \phi$
True/False$\left \{ \phi \right \} \neq \phi$
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