I am studying symbolic logic, and the textbook I am using Understanding Symbolic Logic by Virginia Klenk says that the proof method and the truth table method will always yield the same results, for first order logic. It says that in arithmetic or math, truth tables and the proof method yield different results. I am having trouble imagining how a truth table would even be used to prove things in math. And what is an example where the truth table method in arithmetic or math in general differs from the results of using the proof method in that same subfield of math?
2026-03-29 10:46:43.1774781203
How are truth tables used in math?
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