Suppose R and S Are Relations on {A, B, C $$R = \{ ( a , b ) , ( a , d ) , ( b , c ) , ( c , c ) , ( d , a ) \} \quad \text { and } \quad S = \{ ( a , c ) , ( b , d ) , ( d , a ) \}$$

question 68

Short Answer

suppose R and S are relations on {a, b, c, d}, where $$R = \{ ( a , b ) , ( a , d ) , ( b , c ) , ( c , c ) , ( d , a ) \} \quad \text { and } \quad S = \{ ( a , c ) , ( b , d ) , ( d , a ) \}$$
Find the combination of relations.
- $$R \circ S$$

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Definitions:

Disorders

Conditions characterized by abnormal functions psychologically, physiologically, or anatomically leading to distress or impaired functioning.

Psychological Autopsy

A research method used after someone dies by suicide and involves comprehensive (often structured) interviews with others in the life of the deceased (e.g., partners, family, friends) as well as those involved in their health care to obtain detailed information about the deceased individual and what might have contributed to the individual’s suicide.

Suicide

The deliberate action of taking one's own life.

Histrionic Personality Disorder

A mental disorder characterized by a pattern of excessive emotionality and attention-seeking, including inappropriate seductiveness and an overly dramatic attitude.