COGS 2160 Lecture Notes - Lecture 13: Inductive Reasoning, Causal Inference, Concept Learning
19 Feb 2018
School
Department
Course
Professor
Document Summary
Therefore, socrates is mortal: conclusion is "contained in" the premises, true premises guarantee a true conclusion, norms of deductive reasoning are characterized by logic, they tell you what forms of reasoning are good, deductively valid. Therefore, all humans are mortal: conclusion "goes beyond" premises, true premises are compatible with a false conclusion. If you want to conclude that all humans are mortal, it does not follow of necessity. It can be reasonable and you can have lots of good evidence: but it doesn"t follow of necessity, norms are characterized by probability theory. It is equally likely that they are 0-50: each age is a hypothesis. Likelihood = the person is likely to be between. 40 and 90 given this image: very unlikely to be an infant, the posterior takes into account both the prior and the likelihood. Applying bayes" law: artificial intelligence: watson, ibm"s machine who played jeopardy, used elements of deep learning, but also used.
