An Important Practical Problem in Gyrostatic Action

Towards an Expressive Practical Logical Action Theory

In the area of reasoning about actions, one of the key computational problems is the projection problem: to find whether a given logical formula is true after performing a sequence of actions. This problem is undecidable in the general situation calculus; however, it is decidable in some fragments. We consider a fragment P of the situation calculus and Reiter’s basic action theories (BAT) such ...

Practical Action in Sudan

Hyperlipidemia Is an Important Problem in Pediatric Renal Transplant Recipients

Background: Hyperlipidemia is common after solid organ transplantation and a risk factor for atherosclerosis. The aim of the present study was to detect prevalence of dyslipidemia and reveal lipid profile in pediatric renal transplantation. Material and Methods: This study was performed in children renal transplant recipients between the ages of 1 year to 18 years at Ege University. The follow-...

The Vitamin D-Problem An Important Lesson in Orthomolecular Medicine

Orthomolecular Medicine Defined The prefix "ortho," from the Greek "orthos," meaning straight or correct, in the term "Orthomolecular therapy" indicates that the therapy is of substances which are the same as those that are naturally present in the human body. The original definition of this term, in which inference to the correction of deficiency is made, is contained in the following statemen...

Foveomacular retinitis, an important problem in military medicine: epidemiology.

Foveomacular retinitis is a term introduced by Dr. Fred Cordes to describe an eye disease first noted in Enlisted Naval Personnel during World War II. It is characterized by a subjective loss of central vision in association with a lesion of the fovea and perifovea which subsequently develops into a foveal cyst or hole. It was never fully accepted as a distinct clinical entity, but was thought ...