Question: Here is a proof question I wanna ask: 3. Prove or disprove: if R is a relation from A to B then R-(T) = R-'(T)

Here is a proof question I wanna ask:

Here is a proof question I wanna ask: 3. Prove or disprove:

3. Prove or disprove: if R is a relation from A to B then R-(T) = R-'(T)

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