4. Consider the set A = {-1, 1}.
a) Write all elements in A x A. ……1
b) How many relations are there from A to A? ……….1
c) Write all functions from A to A
Answers
Answered by
14
Step-by-step explanation:
Set A = {-1,1}
a) (A×A) = {(-1,-1), (-1,1), (1,-1), (1,1)}
b) Number of relations from A to A = 2^cardinality
= 2^4
= 16
c) f(A to A) = {(-1,-1),(1,1)}
= {(-1,1),(1,1)}
= {(-1,-1),(1,-1)}
= {(-1,1),(1,-1)}
Answered by
4
Given: Set .
Solution:
Part a:
Find all elements of .
Part b:
Find the number of relation from A to A.
Number of relations from A to A
Part c:
Write all the functions from .
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