imaginary geometry

Fetched 2026-10-26 (cache).

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Noun

1. {{lb|en|geometry}} [[absolute geometry|Absolute geometry]], an axiomatised [[geometry]] in which the [[parallel postulate]] is absent and not replaced by an alternative, and of which [[Euclidean geometry]] and some [[non-Euclidean geometry|non-Euclidean geometries]] are subtypes.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.