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If (A+o+B)^^(~A ThetaB)=A^^B what should...

If `(A+o+B)^^(~A ThetaB)=A^^B` what should be proper symbol in place of `o+` and `Theta` to hold the equation (a) `^^` and `vv` (b) `^^` and `^^` (c) `vv` and `vv` (d) `vv` and `^^`

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