7.3.5 Equivalences; 7.3.5.1 Exercises; 7.3.6 Summary
In this video, we use truth trees to determine whether or not a proposition is a tautology.
For this video: Read 7.3.5 Equivalences; Do 7.3.5.1 Exercises; Read 7.3.6 Summary (pp. 154-156)
For next video: Read 7.4 Abbreviations (pp. 156-159)
“Logic: The Laws of Truth” Nicholas J. J. Smith https://amzn.to/2T2HlnF
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