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2941
#discrete
what is chromatic number for the above graph? also is it isomorphic ?
what is chromatic number for the above graph?also is it isomorphic ?
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2942
Relations
My explanation I have provided, Please rectify the mistake where I am going wrong :)
My explanation I have provided, Please rectify the mistake where I am going wrong :)
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2943
probabilty
One in two hundred people in a population have a particular disease. A diagnosis test gives a false positive 3% of the time, and a false negative 2% of the time. Ross takes the test and the report comes positive. Find the probability that Ross has the disease.
One in two hundred people in a population have a particular disease. Adiagnosis test gives a false positive 3% of the time, and a false negative2% of the time. Ross takes...
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2944
Edges in Hasse diagram
Let G be the graph defined as the the Hasse diagram for the ⊆ relation on the set P{1,2,...,n}.(n>0).Prove that number of edges in Hasse diagram is n*2^(n-1)????
Let G be the graph defined as the the Hasse diagram for the ⊆ relation on the set P{1,2,...,n}.(n>0).Prove that number of edges in Hasse diagram is n*2^(n-1)????
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2945
First Order Logic
Please explain the Question number 33 and 34. What is significance of word "only" ?
Please explain the Question number 33 and 34. What is significance of word "only" ?
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2 votes
1 answer
2946
Set theory
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2 votes
2 answers
2947
Propositional logic
I am unable to prove following equations without using truth table 1) p -> (q v r) = (p->q) V (p->r) 2) ~(p <-> q) = p <-> ~q
I am unable to prove following equations without using truth table1) p - (q v r) = (p->q) V (p->r) 2) ~(p <- q) = p <- ~q
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1 answer
2948
Relation
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1 votes
1 answer
2949
Lattice
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1 answer
2951
Lattice
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2 votes
1 answer
2952
Number of edges in Hasse Diagram
Let G be the graph defined as the the Hasse diagram for the ⊆ relation on the set P{1,2,...,n}.(n>0).Determine how many edges are there in G.
Let G be the graph defined as the the Hasse diagram for the ⊆ relation on the set P{1,2,...,n}.(n>0).Determine how many edges are there in G.
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2 answers
2953
Self doubt
Which is appropriate for the statement and why?
Which is appropriate for the statement and why?
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3 answers
2955
Self Doubt
How to evaluate this quickly? $\large\sum^{20}_{r=0}(-1)^r\binom{r+2}{r}\\OR\\\large\sum^{20}_{r=0}(-1)^r(r+2)(r+1)$
How to evaluate this quickly?$\large\sum^{20}_{r=0}(-1)^r\binom{r+2}{r}\\OR\\\large\sum^{20}_{r=0}(-1)^r(r+2)(r+1)$
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2956
combinotronics
At a party there are 15 men and 20 women. How many ways are there to form fifteen couples consisting of one man and one woman? is it p(20,15) How many ways are there to form ten couples consisting of one man and one woman?? is it 20C10 * 15C10??
At a party there are 15 men and 20 women.How many ways are there to form fifteen couples consisting of one man and one woman? is it p(20,15)How many ways are there to fo...
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1 votes
1 answer
2960
SELF DOUBT PREFIX
WE CAN USE STACK TO EVALUATE PREFIX EXPRESSION .THIS STATEMENT IS TRUE OR FALSE IF THEN HOW?? EXPRESSION IS + - * 2 3 5 / ^ 2 3 4
WE CAN USE STACK TO EVALUATE PREFIX EXPRESSION .THIS STATEMENT IS TRUE OR FALSE IF THEN HOW??EXPRESSION IS + - * 2 3 5 / ^ 2 3 4
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