Soul: the immaterial core of a person or community, often synonymous with “spirit”, which typically refers to that principle of organization which unifies its plurality of aspects as one and/or animates its life and agency. In Aristotle, the active principle that produces life in a material being. In underlying principle, the ultimate elective depth and reach of human feeling opening beyond… Read More

Sound argument

Sound argument: An argument with all true premises, a valid logical schema and no methodological flaws. Source: ‘What is Good? What is Bad? The Value of All Values across Time, Place and Theories’ by John McMurtry, Philosophy and World Problems, Volume I-III, UNESCO in partnership with Encyclopedia of Life Support Systems: Oxford, 2004-11. 


Soundness: As a technical term in logic, soundness refers to that property which obtains when the premises of an argument are true and the argument is valid. Some consider soundness to be necessary and sufficient for an argument to be a good one. That is ,an argument that lacks either property is not a good argument;… Read More