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Steven M. Cahn, Patricia Kitcher, and George Sher
“Blogic: A Web Logic Textbook,” J. David Velleman
http://www.nyu.edu/classes/velleman/blogic/Logic/
“Inductive Logic,” James Hawthorne
http://plato.stanford.edu/entries/logic-inductive/
“How to Argue: Philosophical Reasoning,” Crash Course Philosophy
https://www.youtube.com/watch?v=NKEhdsnKKHs
“How to Argue: Induction & Abduction,” Crash Course Philosophy
https://www.youtube.com/watch?v=-wrCpLJ1XAw