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Recent questions tagged discrete_maths
0
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1
answer
Is hypercube graph is another name of regular graph??
asked
11 hours
ago
in
Mathematical Logic
by
pawarpiyusha1306
(
104
points)

11
views
engineeringmaths
discrete_maths
graphtheory
0
votes
1
answer
What is maximal independent set(MIS)?
asked
11 hours
ago
in
Mathematical Logic
by
pawarpiyusha1306
(
104
points)

6
views
graphtheory
discrete_maths
0
votes
0
answers
Binary String with 5 0's and 6 1's possible, where all 0's are together.
asked
12 hours
ago
in
Combinatory
by
Abhinav993
(
173
points)

6
views
discrete_maths
permutationandcombination
0
votes
1
answer
kenneth rosen inference rules
Show that the premises It is not sunny this afternoon and it is colder than yesterday, We will go swimming only if it is sunny, If we do not go swimming, then we will take a canoe trip, and If we take a canoe trip, then we will ... >t . which is always true hence the argument is true But the conclusion is not true. Am I correct with the above statement??
asked
5 days
ago
in
Mathematical Logic
by
Doraemon
(
139
points)

9
views
mathematicallogic
kennethrosen
discrete_maths
0
votes
0
answers
self doubt kenneth rosen
"In the statement ∃x(x + y = 1), the variable x is bound by the existential quantification ∃x, but the variable y is free because it is not bound by a quantifier and no value is assigned to this variable. This illustrates that in the statement ∃x(x ... y is free becoz it is not bound by a quantifier. thats it!!,Why is no value is assigned to this variable. written?
asked
5 days
ago
in
Mathematical Logic
by
Doraemon
(
139
points)

6
views
discrete_maths
kennethrosen
propositional_logic
0
votes
0
answers
Kenneth Rosen ex 1.3 q 43
How $( \forall x (P(x) → Q(x) ) → (\forall x(P(x) → \forall (Q(x))$ is true ?
asked
6 days
ago
in
Mathematical Logic
by
Winner
(
120
points)

4
views
kennethrosen
discrete_maths
propositional_logic
0
votes
1
answer
Self Doubt: POSET
I am unable to understand how Equality of Sets is a POSET? How can it satisfy antisymmetric property?
asked
Aug 13
in
Set Theory & Algebra
by
Hirak
(
1.3k
points)

30
views
discrete_maths
+1
vote
1
answer
Self doubt on the tautology and negation Kenneth Rosen
asked
Aug 12
in
Mathematical Logic
by
Winner
(
120
points)

15
views
discrete_maths
0
votes
0
answers
Group theory  order of non abelian
Let G be a non abelian group, order of G can be 24 44 54 34 Can someone explain ?
asked
Aug 8
in
Linear Algebra
by
user2525
(
1.6k
points)

5
views
discrete_maths
#group
0
votes
0
answers
Self Doubt: Set Theory
Which of the following is not a set? (multiple options may be correct) Set of all girls in a class Set of all boys in a class Set of all intelligent boys in a class Set of all boys of age > 10 Set of all boys of age < 10
asked
Aug 6
in
Set Theory & Algebra
by
Hirak
(
1.3k
points)

5
views
discrete_maths
settheory
0
votes
2
answers
Self Doubt: Knight and Knave problem
Consider there are two tribes living on the Island: Knights and knaves. Knights always tell truth while Knaves always tells lie. Suppose we counter two random people A and B, upon asking a question to A', A says If B is Knight then I am a Knave . What we can ... B is Knave b.) A is Knave and B is Knave c.) Both A and B are Knight d.) Both A and B are Knave
asked
Aug 6
in
Mathematical Logic
by
Hirak
(
1.3k
points)

13
views
discrete_maths
0
votes
1
answer
Gate 2018  First Order Logic
Consider the firstorder logic sentence φ ≡ ∃s∃t∃u∀v∀w∀x∀y ψ(s,t, u, v, w, x, y) where ψ(s,t, u, v, w, x, y) is a quantifierfree firstorder logic formula using only predicate symbols, and possibly equality, but no function ... of size equal to 7. Can anyone tell me the entire thing with an elaborate and proper explanation from the basic regarding this question.
asked
Aug 4
in
Mathematical Logic
by
user2525
(
1.6k
points)

22
views
discrete_maths
propositional_logic
0
votes
1
answer
Propositional Logic and First order logic
Consider the following pairs of statements : Pair 1 : There exist a student who has not visited Dakota. Not all students have visited Dakota. Pair 2 : There does not exist a student who has visited Dakota. All students have not ... . Both Pair 1 statements and Pair 2 statements are equivalent. Nether Pair 1 statements nor Pair 2 statements are equivalent.
asked
Jul 29
in
Mathematical Logic
by
user2525
(
1.6k
points)

8
views
discrete_maths
propositional_logic
+1
vote
1
answer
Propositional logic
Let $P$ and $Q$ be two propositions, $¬ (P ↔ Q)$ is equivalent to: $P ↔ ¬ Q $ $¬ P ↔ Q $ $¬ P ↔ ¬ Q $ $Q → P$
asked
Jul 19
in
Mathematical Logic
by
shiksha pandey
(
106
points)

12
views
discrete_maths
propositional_logic
+1
vote
1
answer
Propositional logic statement
What is the converse of the following assertion? I stay only if you go.
asked
Jul 19
in
Mathematical Logic
by
shiksha pandey
(
106
points)

11
views
discrete_maths
propositional_logic
0
votes
1
answer
Narsing deo Graph Theory:VectorSpaces610
Prove that in any vector space, the null vector $0$ is orthogonal to every vector in the space.
asked
Jun 22
in
Calculus
by
srestha
(
247
points)

24
views
discrete_maths
vectorspaces
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