Supp $$R = \{ ( a , b ) , ( a , d ) , ( b , c ) , ( c , c ) , ( d , a ) \} \text { and } S = \{ ( a , c ) , ( b , d ) , ( d , a ) \}$$

question 65

Short Answer

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

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Definitions:

Allyl Anion

A negatively charged species featuring a carbon atom adjacent to a double bond, important in organic reactions.

Major Product

The product that is formed in the greatest amount from a chemical reaction, determined by the reaction's mechanism and conditions, including temperature and pressure.

Diene

A hydrocarbon that contains two double bonds between carbon atoms.

HBr

Hydrogen bromide; a diatomic molecule consisting of hydrogen and bromine, known for its use as a reagent in organic synthesis.