i dont understand equality
i dont understand equality

brownplt/LambdaS5,lijunsong/LambdaS5,logchi/LambdaS5,brownplt/LambdaS5,logchi/LambdaS5,lijunsong/LambdaS5,lijunsong/LambdaS5,brownplt/LambdaS5,logchi/LambdaS5