The Local Euclidean Geometry of the Physical World: Perceptual and Operational Basis

‘We have been forced to recognize that spatial perception is a structural phenomenon and is comprehensible only within a perceptual field which contributes in its entirety to motivating the spatial perception by suggesting to the subject a possible anchorage. The traditional problem of the perception of space and perception generally must be reintegrated into a vaster problem.’ ‘The transcendental attitude is already implied in the descriptions of the psychologist, in so far as they are faithful ones.’