Introductory logic, definitions and examples, truth tables, equivalent statements, quantifiers, conditionals, DeMorgan. For more free math videos, visit: www.professorserna.com
In this video we introduce the concept of a statement as a sentence that has a truth value: true or false, which we represent with the letters T and F. We also introduce existential quantifiers like: some, sometimes, there is, there exists and universal quantifiers like: all, always none, never. Then, we introduce compound statements which combine simple statements with connectives like: and, or, not and the conditional and we use truth tables to define those connectives and to find the truth values of compound statements. Finally, we give a few examples about the conditional and its negation.
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