QUESTION 1 Which of the following is true? (0,0) 0) QUESTION 2 A relation: Is on

Question

QUESTION 1 Which of the following is true? (0,0) 0) QUESTION 2 A relation: Is only reflexive if it is first symmetric. Can possibly be neither symmetric nor anti-symmetric. Is called anti-symmetric if it is not symmetric. is ony symmetnc s rre QUESTION 3 The reation s: Not a partial ardering since it is not anti-symmetric. A partial ordering. A total ordering. Not an equivalence relation since it is not transitive. QUESTION 4 Define the relation R over the set of all people in Australia by aRh if a is married to h. Then R is: Neither symmetric nor anti-symmetric. Ireflexive and symmetric. Reflexive and symmetric.

Explanation / Answer

In first question option c is correct as (0,0) contains only '0' element so equal to {0}.

2nd question option b is correct as a relation can possibly neithet symmetric nor antisymmetric

For example:-{(1,1) ,(1,2)} is neither symmetric nor antisymmetric.

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