Question: set of matrices

Question:set of matrices

Wally 17 Maple

How come this doesn't work:

> A := {Matrix(2, 2, {(1, 1) = 1, (1, 2) = 1, (2, 1) = 1, (2, 2) = 1}), Matrix(2, 2, {(1, 1) = 0, (1, 2) = 0, (2, 1) = 0, (2, 2) = 0})};

> evalb(`in`(Matrix(2, 2, {(1, 1) = 0, (1, 2) = 0, (2, 1) = 0, (2, 2) = 0}), A));

Maple answers here false. Is the in-command only for numbers and not for matrices? How can I solve this problem?

Thanks!!

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