Lexicographic order topology on the unit square

ID: lexicographic-order-topology-on-the-unit-square

The lexicographic order topology on the unit square, which we denote as \( [0, 1] \times [0, 1] \), is based on an ordering of the points in the unit square. In this topology, we define a way to compare points \((x_1, y_1)\) and \((x_2, y_2)\) in the square using the lexicographic order, similar to how words are ordered in a dictionary.

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