Aantal gezegden is 1469558
varav 1407627 på engelska
Gezegde (1469558 st) ZoekCategoriën (2627 st) Zoek
Auteurs (167535 st) ZoekAfbeeldingen (4592 st)Geboren (10495 st)Gestorven (3318 st)Datums (9517 st)Landen (5315 st)
Idiom (4439 st)
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Toplists (6 st)
Denna sidan visar ordspråk som liknar "Although there has been a lot of research on spatial maps, navigation and sense of direction, there is very little work on the conceptual representations in geometry. What is meant by 'point,' 'line,' 'parallel,' 'square' versus 'rectangle'? All are highly idealized concepts never met in physical reality. Our work is a first start in the exploration of these concepts.".