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.
History. ISNet is a private company established in 2002. It was founded by 3 persons and was originally intended develop scientific measurement systems that focus on meteorological and nuclear applications.SNet Scientific develops and manufactures electronic devices, software solutions and database systems especially in the field of meteorological systems, measurement systems, prediction models, security systems, automation and communications.