Roger Bacon

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What contributions did Roger Bacon make to medieval thought and what were his main arguments?

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Roger Bacon significantly influenced medieval thought by promoting empirical methods and nominalism, arguing that universals do not exist independently of individual manifestations. He emphasized inductive reasoning and experimentation, contributing to optics and alchemy. Bacon's focus on empirical methods positioned him as a precursor to the modern scientific method, although some argue his experimentation was limited. His work served as a transition from medieval to more modern scientific approaches.

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Roger Bacon can be regarded as an early exemplar of the medieval philosophy that came to be known as nominalism.  Thus one of his earliest and most characteristic contributions to universals was the position that universals do not have existence independent from the individuals in which they are manifested, a position ultimately derivable from Aristotle’s critique of the Platonic notion of ideas.

Bacon was one of the earliest philosophers to teach Aristotle as viewed through his major Arabic commentators in Paris and later Oxford, and in his work on Aristotle’s physics, began to emphasize the importance of the Liber Mundi in theology.

Subsequently, his focus shifted from philological to scientific and experimental and he made important discoveries about optics as well as contributing to the development of alchemy.

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How did Roger Bacon contribute to medieval thought, and what are his main arguments?

The fact that many scholars and intellectual historians have argued for a revisionist interpretation of Bacon's empiricism is not...

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really an argument that he didn't believe in inductive method or observation, but that he wasn't as ahead of his times in this respect. In short, there was more commitment to inductive reasoning in medieval thought than is previously known. This is an example (there are many in the areas of politics, culture, and society) of an increasing awareness that the medieval period may be more modern than has been previously recognized. Robert Grossteste, in particular, is often viewed as a progenitor of Bacon's in attaching importance to experimentation.

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Roger Bacon is famous for the way he focused on empirical methods to study nature in his examination of creation. Because of this he is thought to be one of the initiators of the modern scientific method because of his empirical emphasis when trying to understand how the world around him worked. This was his major contribution to medieval thought.

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I would say that Bacon is pointing past medieval thought really.  He was very strongly interested in science and in the idea of studying science in a rational and empirical way.  However, some scholars of Bacon maintain that he really didn't do much experimentation.  So that could be how he relates to medieval thought.  He could be seen as someone who is a transition.  He is interested in rationalist and empiricism and questioning the authorities, but he is not yet committed to the full scientific method that would be more typical of the Renaissance.

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