Single-shot — This article is about firearms. For other uses, see Single Shot (disambiguation). Single shot firearms are firearms that hold only a single round of ammunition, and must be reloaded after each shot. The history of firearms began with single shot… … Wikipedia
ACTION — This article is about an Australian bus service. For the U.S. government agency, see ACTION (U.S. government agency). Mode Commuter bus Operator … Wikipedia
Modal operator — In modal logic, a modal operator is an operator which forms propositions from propositions. In general, a modal operator has the formal property of being non truth functional, and is intuitively characterised by expressing a modal attitude (such… … Wikipedia
μ operator — In computability theory, the μ operator, minimization operator, or unbounded search operator searches for the least natural number with a given property. Contents 1 Definition 2 Properties 3 Examples … Wikipedia
Stop action magnet — The stop action magnet, usually abbreviated to SAM, is an electromagnetic device used for the control of pipe organs and virtual pipe organs, and forms part of the organ s combination action. On a classical organ the device may be referred to as… … Wikipedia
Break-action — A break action firearm is one whose barrels are hinged, and rotate perpendicular to the bore axis to expose the breech and allow loading and unloading of ammunition. A separate operation may be required for the cocking of a hammer to fire the new … Wikipedia
Group action — This article is about the mathematical concept. For the sociology term, see group action (sociology). Given an equilateral triangle, the counterclockwise rotation by 120° around the center of the triangle acts on the set of vertices of the… … Wikipedia
Firearm action — In firearms terminology, an action is the system of operation used to load rounds and/or seal the breech. In many weapons a breechblock reciprocates in the receiver of the firearm. The term is also used for the physical parts inside the weapon… … Wikipedia
Affiliated operator — In mathematics, affiliated operators were introduced by Murray and von Neumann in the theory of von Neumann algebras as a technique for using unbounded operators to study modules generated by a single vector. Later Atiyah and Singer showed that… … Wikipedia
Minimal negation operator — In logic and mathematics, the minimal negation operator u! is a multigrade operator ( u {k}) {k in mathbb{N where each u {k}! is a k ary boolean function defined in such a way that u {k}(x 1, ldots , x k) = 1 if and only if exactly one of the… … Wikipedia
Pump-action — A pump action rifle or shotgun is one in which the handgrip can be pumped back and forth in order to eject and chamber a round of ammunition. It is much faster than a bolt action and somewhat faster than a lever action, as it does not require the … Wikipedia
