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Foundations of Euclidean Geometry
Analytic Foundations of Euclidean Geometry
Euclidean Foundations: Coordinates, Lines, Betweenness, and Orthogonality
Euclidean Foundations for Orthogonality: The Missing Piece of Structure in Ordered Pairs
Euclidean Foundations: Reflections, and Orthogonality of x- and y-Axes
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There's one missing piece of structure in our ordered pair definition of points. It boils down to this: What's the relation between the xxx- and yyy-axes? We call this fundament…
By Victor Wang
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