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ElenaW [278]
3 years ago
11

A is a finite non-empty set. The domain for relation R is the power set of A.(Recall that the power set of A is the set of all s

ubsets of A.) For X⊆ A and Y ⊆A, X is related to Y if X is a proper subsets of Y (i.e., X ⊆Y). Choose the description that accurately describes relation R.
a. Symmetric and Reflexive
b. Anti-symmetric and Reflexive
c. Symmetric and Anti-reflexive
d. Anti-symmetric and Anti-reflexive
Mathematics
1 answer:
siniylev [52]3 years ago
5 0

Answer:

The answer is "Choice D"

Step-by-step explanation:

Determining the information:

For "X \subseteq A " and "Y \subseteq A",  X relates to Y when X and Y has the same cardinality. therefore, R does not have reflective:

For every "X \subseteq A", "X= X" So, X  not proper subset ofX.  So, R does not havereflexive.

R does not have symmetry:

For every "X \subseteq Y" ,then, "Y \subset X"  is not true because X not relate to Y.  So, R is not symmetric.

R does not have antisymmetric:

When X relates to Y and Y is relate to X, then "X \subset Y" and "Y \subset X"\to X=Y

Therefore, R is anti-symmetric.

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