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Recent questions in Mathematical Logic
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Propositional and first order logic.
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Previous GATE
+4
votes
3
answers
1
GATE201828
asked
3 days
ago
in
Mathematical Logic
by
gatecse
Veteran
(
17.9k
points)

1.1k
views
gate2018
mathematicallogic
normal
+1
vote
0
answers
2
gate 2018
Consider the matrix P whose only Eigen vectors are the multiples of (1 4). Consider the following statements I. P does not have an inverse II. P has a repeated Eigen value. III. P cannot be diagonalized Which of the following Option is Correct?
asked
4 days
ago
in
Mathematical Logic
by
Suryakant
(
51
points)

84
views
0
votes
1
answer
3
Self doubt
Let P(x) be the statement x spends more than five hours every weekday in class, where the domain for x consists of all students. Express each of these quantification in English. a) ∃xP(x) b) ∀xP(x) c) ∃x ¬P(x) d) ∀x ¬P(x) ... than 5 hours every weekday in class d) Every Student don't spend more than 5 hours every weekday in class Did all these are correct
asked
5 days
ago
in
Mathematical Logic
by
student2018
Active
(
1.4k
points)

22
views
0
votes
2
answers
4
self doubt
Every student in this class has studied calculus If S(x) represents the statement that person x is in this class, C(x) which is the statement x has studied calculus. we see that our statement can beexpressed as ∀x(S(x) → C(x) ) Some student in this ... (x) ∧ M(x)) In 1st example Implication is taken Why in 2nd Example and is taken why not S(x) >M(x)
asked
5 days
ago
in
Mathematical Logic
by
student2018
Active
(
1.4k
points)

26
views
0
votes
1
answer
5
Mathematical Logic
All Tautologies are valid and all Valid arguments are tautologies True/ False
asked
6 days
ago
in
Mathematical Logic
by
Mk Utkarsh
Boss
(
6.6k
points)

31
views
mathematicallogic
discretemathematics
0
votes
1
answer
6
Rosen Rules of Inference
Can someone please explain the highlighted text?
asked
6 days
ago
in
Mathematical Logic
by
Mk Utkarsh
Boss
(
6.6k
points)

46
views
mathematicallogic
valid
0
votes
0
answers
7
Universal Quantifier (Basics)
Which one of the expression of universal quantifier is ambiguous? For all For every all of for each for any for arbitrary
asked
Feb 9
in
Mathematical Logic
by
Mk Utkarsh
Boss
(
6.6k
points)

34
views
mathematicallogic
quantifiers
0
votes
1
answer
8
Classification of compound propositions
asked
Feb 7
in
Mathematical Logic
by
Mk Utkarsh
Boss
(
6.6k
points)

46
views
propositionallogic
0
votes
1
answer
9
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 ?
asked
Feb 6
in
Mathematical Logic
by
Aspirant
Loyal
(
2.9k
points)

85
views
graphtheory
discretemathematics
0
votes
1
answer
10
doubt
why value of 0! = 1
asked
Feb 5
in
Mathematical Logic
by
sumit goyal 1
Veteran
(
14.6k
points)

1.1k
views
0
votes
0
answers
11
Rational number are contable..function (0,1)(N) countable..what is solution?
asked
Feb 5
in
Mathematical Logic
by
sunnykg
(
25
points)

224
views
+1
vote
1
answer
12
CMI2017A03
Four siblings go shopping with their father. If Abhay gets shoes, then Asha does not get a necklace. If Arun gets a Tshirt, then Aditi gets bangles. If Abhay does not get shoes or Aditi gets bangles, the mother will be happy. Which of the following is ... is not happy, then Asha did not get a necklace and Arun did not get a Tshirt. (d) None of the above.
asked
Feb 5
in
Mathematical Logic
by
Tesla!
Veteran
(
14.1k
points)

59
views
mathematicallogic
cmi2017
0
votes
0
answers
13
GATE 2018
What is the answer?
asked
Feb 4
in
Mathematical Logic
by
Abhi Girin
Junior
(
661
points)

599
views
propositionallogic
gate
+1
vote
3
answers
14
general aptitude gate 2018
If ther area of square is d , then what is the area of circle that passes through diagonal of square . having diagonal as its diameter
asked
Feb 4
in
Mathematical Logic
by
sumit goyal 1
Veteran
(
14.6k
points)

797
views
0
votes
0
answers
15
gate 2018
asked
Feb 4
in
Mathematical Logic
by
ADITYA CHAURASIYA 5
Active
(
1.7k
points)

334
views
0
votes
1
answer
16
GATE ME 2018
Circle, square & equilateral triangle have same perimeter. Which will have maximum area???
asked
Feb 3
in
Mathematical Logic
by
Hira Thakur
Veteran
(
17k
points)

187
views
gate2018
0
votes
1
answer
17
solve for x
$(x+1)^{log_{10}x+1 } = 100(x+1)$
asked
Feb 3
in
Mathematical Logic
by
sumit goyal 1
Veteran
(
14.6k
points)

67
views
0
votes
0
answers
18
solve for x
solve for x $3^{log^2_{3} x }$ + $x^{log_{3} x }$ = 162
[closed]
asked
Feb 3
in
Mathematical Logic
by
sumit goyal 1
Veteran
(
14.6k
points)

33
views
logarithms
0
votes
1
answer
19
UGC NET NOV 2017 PAPER III Q57
asked
Feb 2
in
Mathematical Logic
by
kavikeve
Junior
(
519
points)

56
views
ugcnetnov2017iii
0
votes
0
answers
20
Last two digits
Last two digits $\frac{14^{14^{14}}}{100}$ How to find it by cyclicity
asked
Feb 1
in
Mathematical Logic
by
sumit goyal 1
Veteran
(
14.6k
points)

48
views
engineeringmathematics
0
votes
1
answer
21
UGC NET NOV 2017 PAPER III Q59
asked
Feb 1
in
Mathematical Logic
by
kavikeve
Junior
(
519
points)

19
views
ugcnetnov2017iii
0
votes
1
answer
22
UGC NET NOV 2017 PAPER III Q58
asked
Feb 1
in
Mathematical Logic
by
kavikeve
Junior
(
519
points)

27
views
ugcnetnov2017iii
0
votes
1
answer
23
UGC NET NOV 2017 PAPER II Q8
8. Let P and Q be two propositions, ¬ (P ↔ Q) is equivalent to : (1) P ↔ ¬ Q (2) ¬ P ↔ Q (3) ¬ P ↔ ¬ Q (4) Q → P
asked
Feb 1
in
Mathematical Logic
by
kavikeve
Junior
(
519
points)

65
views
ugcnetnov2017ii
0
votes
0
answers
24
UGC NET NOV 2017 PAPER II Q9
9. Negation of the proposition › x H(x) is : (1) › x ¬ H(x) (2) ∀ x ¬ H(x) (3) ∀ x H(x) (4) ¬ x H(x)
asked
Feb 1
in
Mathematical Logic
by
kavikeve
Junior
(
519
points)

25
views
ugcnetnov2017ii
0
votes
1
answer
25
Test series
Plz explain ? How to solve such que. As I have solved this type of que earlier but when I am doing revision I am not able to do it. So plz provide some good explanation..
asked
Feb 1
in
Mathematical Logic
by
Manis
Active
(
1.2k
points)

43
views
0
votes
1
answer
26
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?
asked
Feb 1
in
Mathematical Logic
by
Rudra Pratap
(
437
points)

28
views
discretemathematics
0
votes
0
answers
27
Maths
How to find rank of non square matrix?
asked
Feb 1
in
Mathematical Logic
by
Nidhi Pinkalwar
(
193
points)

21
views
0
votes
0
answers
28
Gate_2018_Model_Paper
How to solve it for M^1?
asked
Feb 1
in
Mathematical Logic
by
Harikesh Kumar
Active
(
1.7k
points)

40
views
inverseof
matrices
0
votes
0
answers
29
discrete mathmatics
Consider two sets A and B such that: AUB $\subseteq$ A $\cap$ B Then, which of the following is incorrect? A A = { } and B={} ALWAYS B A = B C A=B D none of these
asked
Jan 31
in
Mathematical Logic
by
Kaluti
Boss
(
5.5k
points)

25
views
0
votes
1
answer
30
Gate_2018_Mock_Paper
How to get answer ....I am getting different answer which is not matching with any options
asked
Jan 31
in
Mathematical Logic
by
Harikesh Kumar
Active
(
1.7k
points)

31
views
engineeringmathematics
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