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.
The Invasive Species Council (ISC) was incorporated in July 2002, and was formed in response to growing concerns regarding the problem of invasive species in Australia. Founding members include Tim Low, Barry Traill, Kate Blood, and five others.