Refer to the relation R on the set {1,2,3,4,5) defined by the rule (x, y) = R if 3 divides x - y
1. List the elements of R
2. List the elements of R-1
3. Find the domain of R
4. Find the range of R
5. Find the domain of R-1
6. Find the range of R-1
Give examples of relations on {1,2,3,4} having the properties specified in the following:
10. Reflexive, antisymmetric, and not transitive
9. Not reflexive, not symmetric, and transitive
8. Reflexive, not symmetric, and not transitive
7. Reflexive, symmetric, and not transitive
Q#1 For any sets π΄, π΅ and πΆ, if π΄ β π΅, then π΄ β© πΆ β π΅ β© πΆ.
Q#2 For any sets π΄, π΅ and πΆ,
(π΄ Γ πΆ) β© (π΅ Γ π·) = (π΄ β© π΅) Γ (πΆ β© π·).
Q#3 Given sets π΄, π΅ and πΆ, prove that
π΄ Γ (π΅ β© πΆ) = (π΄ Γ π΅) β© (π΄ Γ πΆ)
Q#4 Prove that If π΄ and π΅ are sets, then π«(π΄)βπ«(π΅) β π«(π΄βπ΅).
Q#5 Suppose π΄ and π΅ are sets.
If π«(π΄) β π«(π΅),π‘βππ π΄ β π΅.
1. Write the multi-sets of prime factors of given numbers.
a. 150
b. 450
c. 1250
2. Find the cardinalities of each multiset in parts 2-1.
3. Present the application offset and multiset in software engineering? Give specific programming example
Find out reflexive, symmetric and transitive closure of following relation R.Β
R = {(1,2), (2,3), (3,3)}
Question#1
Use algebra of sets to prove the following:
i. (π΅ β π΄) βͺ (πΆ β π΄) = (π΅ βͺ πΆ) β π΄
ii. [(π΅ β π΄) cβ© π΄] β π΄c= π΄
iii. (π΄π βͺ π΅)c β© Ac= β
Question#2
Use Mathematical induction to prove the following generalization of one
of De Morganβs law: βnj=1 π΄j= βnj=1 Aj
Question#3
Prove that (π΄ βͺ π΅ βͺ πΆ) β² = π΄β² β© π΅ β² β© πΆ β²
(4) Construct a difference table to predict the next term of each sequence.
(a) 9, 4, 3, 12, 37, 84, ...
(b) 10, 10, 12, 16, 22, 30, ..
Consider the setsAandB,whereA={3,|B|}andB={1,|A|,|B|}.Whatare the sets?
Let A={nβN:20β€n<50} and B={nβN:10<nβ€30}. Suppose C is a set such that CβA and CβB. What is the
largest possible cardinality of C?