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.
American Software Testing Qualifications Board. The American Software Testing Qualifications Board (ASTQB) was founded in 2003 as the American Testing Board. In April 2005, the name was changed to the American Software Testing Qualifications Board. ASTQB is a non-profit organization whose members comprise a group of highly experienced experts in software testing who volunteer their time to the development, maintenance, and promotion of the ISTQB Certified Tester program in the U.S. They also represent U.S. interests internationally as the national board for the U.S. within the International ...