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Graphics Interchange Format  |  1998-02-10  |  42KB  |  582x225  |  4-bit (16 colors)

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OCR: Operator Meaning Expression Result + Set union [1,2,3] + [4,5,6] [1,2,3,4,5,6] Set intersection ['A', 'B' , 'C' ] * 'B' , 'C' , 'D'] ['B' , 'C' ] Set difference ['A' , 'B' , C' ] - 'B', 'C', 'D'] ['A'] Set equivalence ['A', 'B', 'C' ] = 'A', 'B' , 'C' ] True ['A' , 'B' , 'C' ] = 'C' , 'D', 'E' ] False IN Set membership A' IN ['A', 'B', C'] True Z' IN ['U', 'V' , 'W'] False

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