La Edad Media a debate

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This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute...

Las especulaciones físicas de los griegos después de Aristóteles no suelen recibir la atención que se merecen. Sin embargo en ellas encontramos concepciones científicas que no han perdido nada de su actualidad, como es la oposición entre la acción local y la acción a distancia o entre la concepción discreta y corpuscular de la naturaleza y la visión continua de la misma. El mecanicismo, la geometrización platónica del mundo material, la concepción absoluta y relativa del tiempo y el espacio constituyen otros tantos desarrollos postaristotélicos de importancia histórica...

La presente Cronología general de las migraciones de España recoge las fechas en que se produjeron los principales flujos migratorios de los dos últimos milenios de historia de España; bajo los reinados godos, visigodos, musulmanes y cristianos. Así como citas de las leyes que intentaron regular las relaciones entre cristianos, judíos, musulmanes, africanos y gitanos durante este período.