Tetrathlon Tetrathlon A tetrathlon (from the numerical prefix "tetra-" meaning four) is a team competition organized by Pony Clubs for its members. It is a variant of the modern pentathlon, without fencing. Thus it comprises the four disciplines of shooting, swimming, riding and running. Ideally, teams consist of four members from one pony club competing against several teams from rival clubs. Competitions are usually held over two days during the summer months. It is recommended that one skill and one endurance phase is completed on each day. For example, shooting and swimming will be on the first day, riding and running
How many angels can dance on the head of a pin? How many angels can dance on the head of a pin? The question "How many angels can dance on the head of a pin?" (alternatively ""How many angels can stand on the "point" of a pin?"") is a reductio ad absurdum of medieval scholasticism in general, and its angelology in particular, as represented by figures such as Duns Scotus and Thomas Aquinas. It is first recorded in the 17th century, in the context of Protestant apologetics. The question has also been linked to the fall of Constantinople, with the imagery of scholars debating about minutiae while the Turks besieged the