This can be proven for any valid argument form using a truth table which shows that there is no situation in which there are all true premises and a false conclusion.
Founded in 1994, IntraLearn Software Corporation (ISC) is a pioneer of creating e-Learning and Knowledge Organization products for corporate enterprises, academic institutions, associations, government agencies and training suppliers.
Headquartered in Knoxville, TN and founded in 1969, SSC partners with educational institutions to further the success and well-being of students, staff, and faculty by delivering quality integrated facilities programs.