If R - A - B and S - B - C be two relations- then SoR -1-A- S-1 o R-1B- R -1 O S -1C- SoRD- RoS

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Number of Subset of a Given Set

If R ⊂ A × B ...

Question

If $R \subset A \times B$ and $S \subset B \times C$ be two relations, then $(S o R)^{- 1}$ =

S^-1 oR^-1

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R^-1oS^-1

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SoR

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RoS

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Solution

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⊑

\times

⊑

\times

(S o R)^{- 1}

R

A

B

S

B

C,

S o R

R = {(1, 4), (3, 7), (4, 5), (4, 6), (7, 6)}

{(R^{- 1} o R)}^{- 1} =

\Leftrightarrow

\leq

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