The Plane

First Appearance and Context

“The Plane” is described as the flat open area at the center of the Periklyne in ancient Ethras. It is presented in accounts and exhibits of the theoric golden age centered on Ethras, including scenes that show figures such as Thelenes moving across it with interlocutors.

Roles/Actions and Affiliations

  • Functioned as a public venue where geometers and Theors drew figures in the dust and engaged in formal dialogs.
  • Served as a focal point within the Periklyne’s market-and-forum district, providing open ground for debates and instruction.

Relationships

  • Part of the Periklyne, the forum district surrounding the hill of Ethras.
  • Closely associated with Ethras as a signature setting for public geometrical work and debate.
  • Frequently linked in depictions to Thelenes and his interlocutors during the great dialogs.

Descriptions/Characteristics

  • A flat expanse of open ground, suitable for inscribing figures directly in dust or sand.
  • Situated at the Periklyne’s center, with shaded bowers and teaching spaces located around the edges of the district.

Current Status/Location

  • Treated as a historical place tied to ancient Ethras. Its present condition or exact modern whereabouts are not specified; it is known through descriptions, art, and didactic displays.
Summary:

A flat, open ground at the center of the Periklyne in ancient Ethras, used by theoricians and geometers to draw figures and to conduct public dialog. The term is distinct from the mathematical plane; here it denotes a historical forum space.

Known as:
The Plane