Database-Management-System
October 24, 2023UGC NET CS 2010 June-Paper-2
October 24, 2023UGC NET CS 2010 June-Paper-2
| Question 1 |
“x1 is a clone of x” means x1 is identical to x in terms of the physical attributes namely, height, weight and complexion. Given, height, weight and complexion only form a complete set of attributes for an entity, cloning is an equivalence relation. What is your impression about this statement ?
| The statement is true | |
| The statement is false | |
| The truth value of the statement cannot be computed | |
| None of these |
Question 1 Explanation:
The given statement says that the Relation R contains x and x1 which are identical. Which means (x,x1) are same as (x,x).
We know that ” a relation of (x,x) type is an equivalence as it satisfies Reflexive, symmetric, transitive.
The answer would be option A, it is equivalence.
We know that ” a relation of (x,x) type is an equivalence as it satisfies Reflexive, symmetric, transitive.
The answer would be option A, it is equivalence.
Correct Answer: A
Question 1 Explanation:
The given statement says that the Relation R contains x and x1 which are identical. Which means (x,x1) are same as (x,x).
We know that ” a relation of (x,x) type is an equivalence as it satisfies Reflexive, symmetric, transitive.
The answer would be option A, it is equivalence.
We know that ” a relation of (x,x) type is an equivalence as it satisfies Reflexive, symmetric, transitive.
The answer would be option A, it is equivalence.
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