Question

A x [Empty Set] = A?

Answer 1

If set A is multiplied (cartiesian product?) by an empty set, is the result just A?

Answer 2

e.g.

A={1,2,3}

Ax0| (0| is empty set)

{(1,0|), (2,0|), (3,0|)}

Ignore the 0|s?

leaving {1,2,3}?