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.
MYOB was founded in the early 1980s by Christopher Lee a team of developers at Teleware, Inc., who developed accounting software. Teleware was purchased by Best Software, Inc. (now part of Sage) in 1993. Data-Tech Software was the Australia republisher of the MYOB products and, in 1997 entered into an agreement with Best Software to buy the company (renamed MYOB, Inc.) and bought the intellectual property rights to the software. In 1999, Data-Tech changed its name to MYOB Limited and listed on the Australian Stock Exchange (ASX