?W. H. Auden once suggested that to understand your own country you need to have lived in at least two others. One can say something similar for periods of time: to understand your own century you need to have come to terms with at least two others. The key to learning something about the past might be a ruin or an archive but the means whereby we may understand it is--and always will be--ourselves.
It is easy to understand that in the dreary middle ages the Aristotelian logic would be very acceptable to the controversial spirit of the schoolmen, which, in the absence of all real knowledge, spent its energy upon mere formulas and words, and that it would be eagerly adopted even in its mutilated Arabian form, and presently established as the centre of all knowledge.