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Massachusetts Institute of Technology

Mit: The Start Natural Language Question Answering System

For Students 9th - 10th
This site contains information about and example of a natural language artificial intelligence system.
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Other

Boolean Propositional Logic

For Students 9th - 10th
Introduction to classic, boolean propositional logic. Written in a clear way with little or no technical notation. A great place to start for those beginning to learn about logic.
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Other

R. B. Jones: First Order Predicate Logic

For Students 9th - 10th
Great introduction to basic ideas in predicate logic. Conveys fundamental ideas without using technical notation. A good place to start.
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Khan Academy

Khan Academy: Expressing an Algorithm

For Students 9th - 10th
Check your understanding of expressing simple algorithms in flow charts, natural language, and pseudocode, in this set of free practice questions designed for AP Computer Science Principles students.
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Stanford University

Temporal Logic/stanford Encyclopedia of Philosophy

For Students 9th - 10th
Discusses the temporal logic of Arthur Prior, a type of modal logic. After technical definitions, author addresses related philosophical issues. Also summarizes applications in natural language, computer science, and artificial...