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Highest voted questions in Discrete Mathematics

2 votes
3 answers
1821
Pigeon hole
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2 votes
1 answer
1822
Function One to one / onto
which one is correct?
which one is correct?
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2 votes
2 answers
1823
GATE CSE 1987 | Question: 2f
State whether the following statements are TRUE or FALSE: Every infinite cyclic group is isomorphic to the infinite cyclic group of integers under addition.
State whether the following statements are TRUE or FALSE:Every infinite cyclic group is isomorphic to the infinite cyclic group of integers under addition.
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2 votes
1 answer
1824
prepositional logic
when ∀xP(x) --> Q(x) is given does it mean (∀xP(x)) --> Q(x) or it means ∀x(P(x) --> Q(x))? in short precedence of quantifiers is greater or implies is greater?
when ∀xP(x) Q(x) is givendoes it mean (∀xP(x)) Q(x) or it means ∀x(P(x) Q(x))?in short precedence of quantifiers is greater or implies is greater?
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2 votes
1 answer
1825
ME-Practice Book Discrete Math Q#
Which additional properties are true if a partial order must become linear order
Which additional properties are true if a partial order must become linear order
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2 votes
0 answers
1826
IITM MS Previous Year
Let a,b,c,d are 4 consecutive numbers of Fibonacci series. Prove or dis-approve ad-bc= ±1 Now my question is can we prove it by induction?
Let a,b,c,d are 4 consecutive numbers of Fibonacci series. Prove or dis-approve ad-bc= ±1 Now my question is can we prove it by induction?
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2 votes
1 answer
1828
Discrete Math-Function
Consider a function f:A->B is bijective ..which of the following is INCORRECT? a)f-1 :B->A exist b)f-1 : B->A unique c)f-1 is bijective d) None of these
Consider a function f:A->B is bijective ..which of the following is INCORRECT?a)f-1 :B->A existb)f-1 : B->A uniquec)f-1 is bijectived) None of these
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2 votes
1 answer
1832
mathematics
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2 votes
1 answer
1834
mathematics
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2 votes
1 answer
1835
Kenneth Rosen Edition 6th Exercise 6.6 Question 3 (Page No. 456)
How many solution does the equation x1+x2+x3=13 have where x1 x2 and x3 are non negative less than 6 ?
How many solution does the equation x1+x2+x3=13 have where x1 x2 and x3 are non negative less than 6 ?
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2 votes
1 answer
1836
mathematics
is this solution is correct.I think either opt(a) or (c) is correct........
is this solution is correct.I think either opt(a) or (c) is correct........
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2 votes
2 answers
1837
Doubt
A $\phi$ (empty) relation on any set $A$ is not reflexive because for every $ a \in A$, $(a, a) \notin \phi$, but $\phi$ is a symmetric as well as transitive relation on $A$, how is that possible $?$
A $\phi$ (empty) relation on any set $A$ is not reflexive because for every $ a \in A$, $(a, a) \notin \phi$, but $\phi$ is a symmetric as well as transitive relation on ...
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2 votes
1 answer
1838
matrix
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2 votes
2 answers
1839
solve this paragrapgh
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2 votes
2 answers
1840
testbook
Which of the above lattice is distributve? a) both iii and iv) b) only iv)
Which of the above lattice is distributve?a) both iii and iv)b) only iv)
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