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2.5.5 Polish Notation, 2.5.5.1 Exercises
Polish notation is a way of writing propositions that does away with all parentheses. It is so named because it was invented by Polish logician Jan Łukasiewicz.
For this video: Read 2.5.5 Polish Notation; Do 2.5.5.1 Exercises (pp. 47-48)
For next video: Read 2.5.6 Finite Alphabets (p.48)
“Logic: The Laws of Truth” Nicholas J. J. Smith https://amzn.to/2T2HlnF
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