Dark Mode

Hot questions in Discrete Mathematics

1 vote

2 answers

5801

Correct symbolical representation of statement => "All Birds are beautiful"
Correct symbolical representation of statement => "All Birds are beautiful" ? Now , here the logical way to approach seems like necessary condition. Since All birds are beautiful , can be equivalent to , ... , with when to choose conjunction vs implication and how the above form is closer to sentential form.

vishal8492 asked in Mathematical Logic Sep 25, 2016

999 views

4 votes

2 answers

5802

number of function
How many functions are there from the set {1, 2, . . . , n}, where n is a positive integer, to the set {0, 1} a) that assign 1 to exactly one of the positive integers less than n?

Anu asked in Combinatory Jul 13, 2015

by Anu

3.8k views

2 votes

1 answer

5803

Prateek kumar asked in Mathematical Logic Oct 17, 2016

by Prateek kumar

516 views

2 votes

1 answer

5804

mathematics
is this solution is correct.I think either opt(a) or (c) is correct........

dileswar sahu asked in Graph Theory Oct 20, 2016

by dileswar sahu

347 views

1 vote

1 answer

5805

Graph Intersection

KISHALAY DAS asked in Graph Theory Oct 18, 2016

by KISHALAY DAS

415 views

2 votes

2 answers

5806

MADE EASY TEST SERIES
If 2, – 4 are the eigen values of a nonsingular matrix A and |A| = 8, then the eigen values of Adj A are x and –y then the value of x + y is _________. My doubt is x+y = 6 is possible or not ? ans is -6 given by ME.

Tariq Husain Khan asked in Mathematical Logic Oct 15, 2016

by Tariq Husain Khan

317 views

4 votes

2 answers

5807

UGC NET CSE | June 2014 | Part 2 | Question: 19
The notation $\exists ! x P(x)$ denotes the proposition “there exists a unique $x$ such that $P(x)$ is true”. Give the truth values of the following statements : I.$\exists ! x P(x) \rightarrow \exists x P(x)$ ... $II$ are true. Both $I$ & $II$ are false. $I$ - false, $II$ - true $I$ - true, $II$ - false

makhdoom ghaya asked in Mathematical Logic Jun 25, 2016

by makhdoom ghaya

2.0k views

1 vote

1 answer

5808

UGC NET CSE | December 2013 | Part 2 | Question: 38
If n and r are non-negative integers and n $\geq$ r, then p(n+1, r) equals to $\frac{P(n,r)(n+1)}{(n+1-r)}$ $\frac{P(n,r)(n+1)}{(n-1+r)}$ $\frac{P(n,r)(n-1)}{(n+1-r)}$ $\frac{P(n,r)(n+1)}{(n+1+r)}$

go_editor asked in Combinatory Jul 26, 2016

1.4k views

2 votes

1 answer

5809

dileswar sahu asked in Combinatory Oct 22, 2016

by dileswar sahu

238 views

2 votes

2 answers

5810

Graph Theory
consider the following statement-: 1.If a graph has Euler circuit then it is Strongly Connected graph. 2.If a graph has Euler path(but not Euler circuit) then it is Strongly Connected graph. 3.If a graph has Euler circuit then it is Weakly Connected ... .If a graph has Euler path(but not euler circuit) then it is Weakly Connected graph. Which statement is true with proper explanation.

sourav. asked in Graph Theory Aug 12, 2016

1.0k views

4 votes

1 answer

5811

how many subsets does P(A) have if A is null set?
let A={} or phi be null set.it has 0 elements and 1 subset that is itself. P(A) represents power set of A.how many elements and subsets does P(A) has? i think P(A)={ {} } has 1 element ie {}..now P(A) should have 2 ... set containing null set) so P(A) should have 1 element and 2 subsets..at lot of places ans is given as 1 subset so please clarify?

Anurag_s asked in Set Theory & Algebra Oct 5, 2015

4.6k views

3 votes

2 answers

5812

Lattice vs. hasse diagram
can hasse diagram be Infinite? can lattice be infinite? Whats the difference b/w hasse digram and lattice?

Aspi R Osa asked in Set Theory & Algebra Jan 19, 2016

1.8k views

1 vote

1 answer

5813

What is the solution for this ‎Discrete Mathematics puzzle?
Also, explain the question along with your answer. Thank You.

Navneet Srivastava asked in Mathematical Logic Jun 19, 2016

by Navneet Srivastava

1.3k views

2 votes

2 answers

5814

Suppose the element a,b in a group satisfies aba-1=b2 for b<>e

worst_engineer asked in Set Theory & Algebra Nov 25, 2015

by worst_engineer

5.0k views

1 vote

1 answer

5815

Kenneth Rosen Edition 6th Exercise 1.1 Question 14 (Page No. 18)
Determine whether each of these conditional statements is true or false. If 1 + 1 = 3, then unicorns exist. If 1 + 1 = 3, then dogs can fly. If 1 + 1 = 2, then dogs can fly. If 2 + 2 = 4, then 1 + 2 = 3

go_editor asked in Mathematical Logic Apr 14, 2016

7.6k views

0 votes

1 answer

5816

rank of a matrix
Rank of following matix? 12 22 32 42 32 42 52 62 42 52 62 72 please note the changes.

gate_forum asked in Mathematical Logic Aug 31, 2016

927 views

0 votes

1 answer

5817

Combinatorics
A Sequence of nos. $<1, 2, 3, 4, ..... 10 $> is permuted randomly. What is the probability that all odd nos. appear before all even nos. I am getting $\frac{5! * 5!}{10!}$, is it correct

vivek9837 asked in Combinatory Oct 26, 2016

290 views

0 votes

0 answers

5818

ME-Practice Book Discrete Math Q#86

KISHALAY DAS asked in Set Theory & Algebra Nov 5, 2016

by KISHALAY DAS

201 views

0 votes

0 answers

5819

rosen 7e function 2.3 q4
Find the domain and range of these functions. Note that in each case, to find the domain, determine the set of elements assigned values by the function. a) the function that assigns to each nonnegative integer its last digit b) the function that assigns the ... the number of one bits in the string d) the function that assigns to a bit string the number of bits in the string

Pravin Paikrao asked in Set Theory & Algebra Oct 23, 2016

by Pravin Paikrao

491 views

2 votes

1 answer

5820

Prateek kumar asked in Mathematical Logic Oct 6, 2016

by Prateek kumar

478 views

Page:

« prev
1
...
286
287
288
289
290
291
292
293
294
295
296
...
355
next »