University of Saskatchewan (Canada)
University of Saskatchewan: Techniques for Proofs
The University of Saskatchewan's Department of Mathematics and Statistics provides high school students with online tutorials and exercises on what they deem some of the most important techniques for mathematical proofs: truth tables,...
Oswego City School District
Regents Exam Prep Center: Conjunction: And
Learn what a conjunction is and why it is important to know what a conjunction is when using logic to solve mathematical problems. This website includes examples of the conjunction "and" used in mathematical sentences and a "truth table."
Oswego City School District
Regents Exam Prep Center: Conditional: If, Then
At this website, learn terms "Conditional," and "Implication," and their relationship to mathematics and logic. Includes examples of "If, then," sentences that are both "True," and "False," as well as a "Truth table."
Oswego City School District
Regents Exam Prep Center: Biconditional: If and Only If
Students studying logic, who already know what conditionals are and how to solve them, are ready to work with biconditionals. This website provides a definition of "Biconditional," and includes examples of biconditionals that are "Used...
Oswego City School District
Regents Exam Prep Center: Negation: Not
Use this website to help you hone your critical thinking and math-problem solving skills. Learn what "Negation," is and how it applies when you are working on mathematical problems and sentences.
Oswego City School District
Regents Exam Prep Center: Disjunction: Or
What is a "Disjunction"? What does "or" mean? This website answers these questions and provides examples of disjunctions used in mathematical sentences and problems.
California State University
California State University, San Bernardino: Inverse Functions
This site has many links to examples of inverse functions, including intersections, inverse by reflection, and graphing inverse functions.