SOC SCI H1G Lecture Notes - Lecture 1: Deductive Reasoning, Inductive Reasoning, Modern Philosophy
30 Oct 2018
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He was a rationalist, reacting against scholasticism (philosophy prevailing through the middle ages) Certainty, deductive logic, a priori (math, for example). Other rationalists after descartes include spinoza and leibniz (calculus) - they want the same sorts of things as descartes. Trying to convince someone of a conclusion. : argument is valid in case the premises entail its conclusion premise is true, but that does not guarantee this conclusion; unrelated. > good argument deductively, as the premises relate to the conclusion. Jones was seen at the scene of the crime by four witnesses 4. > all these premises could be true, but you still could not certainly say that the conclusion is true. In his meditations, descartes wants to tear everything he knows down and rebuild it with truth. He is hoping that there will at least be one thing he can say with certainty. He does not want to think of things in ways that they are not.
