Scientific American
Inside the Coronavirus
Take biologists on a journey into the heart of the Covid-19 virus with a series of stunning graphics and explanations about the global pandemic. Animations bring investigators up close to the virus, revealing its structure and movement...
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...