Dialectic is a formal system of reasoning that arrives at the truth through the exchange of logical arguments. Dialectic is a process of examining an issue using very careful steps. A thesis, or argument, is offered, followed by the antithesis, or counterargument. The goal is to extract the best points from each of these to form a synthesis..
Other causes of unintentional weight loss include: 1  cancer. 2  hyperthyroidism (overactive thyroid gland). 3  hypothyroidism (underactive thyroid gland). 4  abdominal infection. 5  gastroenteritis. 6  malnutrition. 7  dementia. 8  Celiac disease. 9  HIV/AIDS.
The symptoms that result are systemic, affecting the entire body, and the symptoms may vary from person to person. The more elevated the levels of thyroid hormone, the more severe the symptoms usually are. A person who has a sudden onset of hyperthyroidism will usually lose weight suddenly and without a known cause.