Reason is rare. The reasoning behind day to day decisions and important issues are often unknown, unadmitted or misunderstood. Argumentative allows you to express an arguments structure in a visual form which is simpler to understand.
The Argumentative manual is a guide and tutorial for using the Argumentative Software package to produce Argument Maps. Argument Mapping is the expression of an argument is in a structured visual form.
The Argumentative is open source software may be downloaded free from http://sourceforge.net/projects/argumentative