CF486B OR in Matrix

Let's define logical $ OR $ as an operation on two logical values (i. e. values that belong to the set $ {0,1} $ ) that is equal to $ 1 $ if either or both of the logical values is set to $ 1 $ , otherwise it is $ 0 $ . We can define logical $ OR $ of three or more logical values in the same manner:  where  is equal to $ 1 $ if some $ a_{i}=1 $ , otherwise it is equal to $ 0 $ . Nam has a matrix $ A $ consisting of $ m $ rows and $ n $ columns. The rows are numbered from $ 1 $ to $ m $ , columns are numbered from $ 1 $ to $ n $ . Element at row $ i $ ( $ 1

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