Rene Descartes Justified Belief

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Everyone has an opinion about something. They can feel strongly about it, have enough evidence to back up their claims, or believe something “just because”. Descartes, on the other hand, wanted to find out if we can know something with complete certainty. Using many examples, such as the Brain in a Vat and melting wax theories, Descartes came to the conclusion that the mind is greater than the senses, and that the senses cannot be trusted (Appearance).
According to Plato, “knowledge is true, justified belief” (Appearance). Descartes was very similar in the way he thought about knowledge. Along with justified beliefs, Descartes also came to the conclusion that knowledge cannot be doubted. Even if you have the slightest doubt in an idea, theory,