Real projective line (source code)

= Real projective line
{wiki=Real_projective_line}

The real projective line, denoted as \\(\\mathbb\{RP\}^1\\), is a fundamental concept in projective geometry. It can be understood as the space of all lines that pass through the origin in \\(\\mathbb\{R\}^2\\). Each line corresponds to a unique direction in the plane, and projective geometry allows for a more compact representation of these directions.