Auteursarchief: quadralectics

1. Quadriformis ratio

Four and more Whatever god it was, who out of chaos Brought order to the universe, and gave it Division, subdivision, he moulded earth In the beginning, into a great globe, Even on every side.   Ovid, Metamorphoses, 4 Most … Lees verder

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2. The Four Quartets

Burnt Norton House The turn-off to Mickleton is easy to miss while driving down from Aston Subedge over the B4035. All the attention is focused on the beautiful road, which climbs up the Cotswold-plateau to Chipping Campden. It was a … Lees verder

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3. Fourfold visibility

Binaries A practical example of a fourfold visibility will be given here. It involves the so-called ‘variable double stars‘ who appear to the human observer as one star with a varying light intensity. Various reasons may account for this inconsistent … Lees verder

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4. Tetragonus mundus

The fourfold division   ‘Why do we recognize four seasons? Why not two, or three, or five?’ This basic question was posed by BURROW (1986) in his description of the general classifications in the Middle Ages. He did not find … Lees verder

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5. Regularity through the ages

Regular patterns The reconnaissance journey of the fourfold division leads into the world of regular patterns. STEVENS (1980) wrote a comprehensive book on the phenomenon of symmetry, dealing with the basic ingredients of repetition in two-dimensional patterns. He distinguished four … Lees verder

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6. The four senses

Divina Quaternitas The best introduction to the four-fold way of thinking can be found in the excellent Ph.D. thesis of ESMEIJER (1973/1978), titled ‘Divina Quaternitas’. She gave a comprehensive and illustrated survey of the occurrences of the ‘ordine quadrato’ in … Lees verder

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7. Mappa mundi

The fourfold division in place   The division in place is elementary. Where are we? Where is our position? This is the type of questions that every human being poses in an early stage of existence. Knowledge of the location … Lees verder

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