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if A'=[{:(3,4),(-1,2),(0,1):}]and B=[{:(...

`if A'=[{:(3,4),(-1,2),(0,1):}]and B=[{:(-1,2,1),(1,2,3):}],`then verify that
`(i) (A+B)'=A'+B'(ii) (A_B)'=A-B'`

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