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Recent questions tagged discrete-mathematics

Recent questions tagged discrete-mathematics
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0 answers 18 views
kenneth h rosen chapter 1 section section 1.5 nested quatnifiers excercise 49
ykrishnay asked in Mathematical Logic Apr 20
by ykrishnay
103 points
18 views
0 votes
0 answers 7 views
kenneth h rosen chapter 1 section "Nested quantifers" excercise 1.5 question 26's g
ykrishnay asked in Mathematical Logic Apr 18
by ykrishnay
103 points
7 views
0 votes
0 answers 6 views
kenneth h rosen chapter 1 section 1.5 excercise 1.5 question 18 e
ykrishnay asked in Mathematical Logic Apr 16
by ykrishnay
103 points
6 views
0 votes
0 answers 18 views
Kenneth h rosen chapter 1 section 1.5 question 8
Let Q(x, y) be the statement student x has been a con- testant on quiz show y. Express each of these sentences in terms of Q(x, y), quantifiers, and logical connectives, where the domain for x consists of all students at ... a student from your school as a contestant. e) At least two students from your school have been con- testants on Jeopardy.
ykrishnay asked in Mathematical Logic Apr 12
by ykrishnay
103 points
18 views
0 votes
0 answers 44 views
kenneth h rosen chapter 1 excercise 1.4 predicates ad quantifiers question 59 symbolic logic
ykrishnay asked in Mathematical Logic Mar 19
by ykrishnay
103 points
44 views
0 votes
0 answers 19 views
kenneth h rosen chapter 1 excercise 1.4 predicates and quantifiers question 33
ykrishnay asked in Mathematical Logic Mar 19
by ykrishnay
103 points
19 views
0 votes
0 answers 27 views
kenneth h rosen chapter 1 excercise 1.4 predicated and quantifiers question 19
ykrishnay asked in Mathematical Logic Mar 18
by ykrishnay
103 points
27 views
0 votes
0 answers 25 views
Kenneth h rosen chapter 1 section 1.4 binding variables
ykrishnay asked in Mathematical Logic Mar 15
by ykrishnay
103 points
25 views
0 votes
0 answers 57 views
kenneth h rosen chapter 1 excercise 1.2
hey i want to ask that in excercise 1.2 there are lots of logic puzzles quetions so it is important for gate or any exam like gate can i leave those questions or do ? please tell need an answer.
ykrishnay asked in Mathematical Logic Feb 17
by ykrishnay
103 points
57 views
0 votes
0 answers 47 views
kenneth h rosen chapter 1 excercise 1.2 question 15 on page 23
ykrishnay asked in Mathematical Logic Feb 17
by ykrishnay
103 points
47 views
0 votes
0 answers 44 views
kenneth h rosen chapter-1 section 1.1 propsitional logic excercise 1.1 question 23's d) and e)
ykrishnay asked in Mathematical Logic Feb 13
by ykrishnay
103 points
44 views
0 votes
0 answers 65 views
Introduction to Discrete Mathematics- Graph Theory
thinlamb asked in Mathematical Logic Aug 24, 2021
by thinlamb
5 points
65 views
0 votes
0 answers 32 views
gatebook
Let A and B be two sets such that . There is a one to one function from A to B. Which of the following must be true for S1: is onto function S2: has an inverse A) Only S1 B) Only S2 C) Both S1 and S2 D) None of the above
farmanahmed888 asked in Mathematical Logic Aug 19, 2021
by farmanahmed888
5 points
32 views
0 votes
0 answers 35 views
Discrete Mathematics
How to prove the following statement is valid with the help of Inference Rules? (P $\wedge$ ( P $\rightarrow$ Q) ) $\rightarrow$ ($\sim$ Q $\vee$ P)
ShivangiChauhan asked in Mathematical Logic Jul 27, 2021
by ShivangiChauhan
17 points
35 views
0 votes
0 answers 28 views
ACE Discrete Maths Text Book; Graph Theory; Page 100, question 18.
subhashchaganti asked in Graph Theory Jul 14, 2021
by subhashchaganti
5 points
28 views
0 votes
0 answers 24 views
made easy cbt
answer given is 27 how to approach these kind of questions? what forulas will be used here?
Sharma9999999 asked in Mathematical Logic Jul 10, 2021
by Sharma9999999
5 points
24 views
0 votes
0 answers 27 views
Eigen value question from Linear algebra and its applications
kirtipurohit asked in Linear Algebra Jul 10, 2021
by kirtipurohit
15 points
27 views
0 votes
0 answers 41 views
MADE EASY Book
(G,*) is an abelian group .Then, (i). $X$ =$X^{-1}$ for any X belonging to G. (ii). $X$=$X^{2}$ for any X belonging to G. (iii). $(X*Y)^{2}$ = $X^{2}$ * $Y^{2}$ for any X ,Y belonging to G. (iv). G is of finite order
ShivangiChauhan asked in Set Theory & Algebra Jul 4, 2021
by ShivangiChauhan
17 points
41 views
0 votes
0 answers 43 views
MADE EASY Book
N denotes the set of natural numbers,{0,1,2,3 .} ,Z denotes the integers { ..-2,-2,0,1,2, ...} Which of the following statements are true ? (i). For all p $\epsilon$ Z ,p>5 $\rightarrow$ There exists x $\epsilon$ N,$x^{2}$ = 1(mod p). (ii). If m is any natural ... . (a). only (i) is true (b). only (ii) is true ( c). both (i) and (ii) are true (d). both (i) and (ii) are false
ShivangiChauhan asked in Set Theory & Algebra Jul 4, 2021
by ShivangiChauhan
17 points
43 views
0 votes
0 answers 32 views
Self-Doubt Graph theory book Rosen or Narsingh Deo
ykrishnay asked in Graph Theory Jun 30, 2021
by ykrishnay
103 points
32 views
1 vote
0 answers 36 views
Applied Gate Test
A chair car compartment has 16 chairs in a row and 12 people randomly take up a chair each and the next person comes up with additional luggage which requires him to have two adjacent chairs. The probability that the 13th person is able to sit on the same row is ? A) 11/20 B) 4/7 C) 81/140 D) 17/28
Dheeraj Varma asked in Mathematical Logic Jun 26, 2021
by Dheeraj Varma
27 points
36 views
0 votes
0 answers 58 views
Discrete Mathematical structures Chapter 5
#Discrete-Mathematics: whether Binomial Theorem is part of the syllabus?
Parag Tamhankar asked in Combinatory May 10, 2021
by Parag Tamhankar
5 points
58 views
0 votes
0 answers 70 views
discrete mathematics(topic) piegen hole
We select 38 even positive integers, all less than 1000. Prove that therewill be two of them whose difference is at most 26.
thispc295 asked in Combinatory May 6, 2021
by thispc295
5 points
70 views
0 votes
0 answers 66 views
Fermati's little theorem
(a). Use Fermat's little theorem to compute 52003 (mod 7), 52003(mod 11) and 52003(mod 13)
Mushy asked in Engineering Mathematics May 6, 2021
by Mushy
5 points
66 views
0 votes
0 answers 85 views
Kenneth Rosen Exercise 10.4 question 25 Graph Connectivity
ami_c05 asked in Graph Theory Apr 26, 2021
by ami_c05
5 points
85 views
0 votes
0 answers 35 views
Kenneth H. Rosen 7th edition
Show that ¬(p ⊕ q) and p ↔ q are logically equivalent.
Champa asked in Mathematical Logic Apr 7, 2021
by Champa
5 points
35 views
0 votes
0 answers 23 views
Function /discrete mathematics
I've a personal doubt X^2 doesn't have an inverse but cubic function is bijective because it's derivative is square term and hence always positive. I am confused about these two things in theoritically.
afroze asked in Set Theory & Algebra Apr 5, 2021
by afroze
7 points
23 views
0 votes
0 answers 55 views
Discrete Mathematics and its applications (Kenneth Rosen)
SmeetPatel asked in Mathematical Logic Mar 22, 2021
by SmeetPatel
5 points
55 views
1 vote
0 answers 72 views
GATE functions and relations
The function f: [0,3]$\rightarrow$[1,29] defined by f(x) = $2x^{3} - 15x^{2} + 36x +1$ where x is an integer is (a) injective and surjective (b) surjective but not injective (C) injective but not surjective (d) neither injective not surjective
donniedarko asked in Mathematical Logic Mar 7, 2021
by donniedarko
39 points
72 views
0 votes
0 answers 30 views
SELF DOUBT IN IMPLICATIONS
Can anybody please make me understand what's the relationship among implications in proposition logic and statements such as 1. Necessarily but not sufficient 2. Sufficient but not necessary 3. Sufficient as well as necessary 4. Neither sufficient nor necessary ( although I am ... <--> q If p is neither sufficient nor necessary is the same as ! (p <--> q)
s_dr_13 asked in Mathematical Logic Feb 9, 2021
by s_dr_13
15 points
30 views
0 votes
0 answers 105 views
NPTEL Assignment
In how many ways can one arrange five 1’s and five -1’s so that all ten partial sums (starting with the first summand) are nonnegative?
Kindaichi asked in Combinatory Feb 6, 2021
by Kindaichi
10 points
105 views
0 votes
0 answers 66 views
Ace Test Series
Is the group closed under monoid? Can we treat 1 as identity??
vipin.gautam1906 asked in Mathematical Logic Feb 3, 2021
by vipin.gautam1906
9 points
66 views
0 votes
0 answers 30 views
Kenneth H rosen Chapter 6 - "Counting" Section 6.4
ykrishnay asked in Combinatory Jan 20, 2021
by ykrishnay
103 points
30 views
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