The first three treatises form the core of the logical theory stricto sensu: the grammar of the language of logic and the correct rules of reasoning.

Each incarnation of the BRP rules has changed or added to the core ideas and mechanics, so that games are not identical.

The core rules were originally written by Steve Perrin as part of his game RuneQuest.

Other, non-Chaosium games have used BRP for its core rules.

The most recent versions of the game's rules are detailed in three core rulebooks: The Player's Handbook, the Dungeon Master's Guide and the Monster Manual.

Subsequent revisions to the rules add options including a Magic characteristic, melodramatic character traits, and other complications, but the core system remains unchanged.

In Sweden, Kult has been noted by the general press several times, and in 1997 the Kult core rules was quoted in a motion in the Parliament of Sweden.

The core rules of the game are similar to those in other World of Darkness games ; see Storyteller System for an explanation.

Any rule can be changed with varying degrees of difficulty, including the core rules of the game itself.

Written by Basic Role-Playing and RuneQuest author Steve Perrin, Superworld began as one third of the Worlds of Wonder product, which also included a generic fantasy setting, " Magic World ", and a generic science fiction setting, " Future World ", all using the same core Basic Role-Playing rules.

As such, the core rules primarily focus on development of human characters touching only briefly on a few non-human species.

The core rules were available as three booklets in a boxed set ( compare to the original Dungeons & Dragons format ).

The core rules include integrated mechanics and several focused design systems, with enough depth to support Traveller's " OTU ".

The Twilight: 2013 core rules were released on 8 November 2008 as a PDF.

A core Mind's Eye Theatre rulebook was published as the LARP analogue to the World of Darkness core rulebook, with several Mind's Eye Theatre adaptations following in suit: The Requiem, The Forsaken, and The Awakening each adapted their respective namesakes to the new system of MET rules.

Otherwise, Wizards of the Coast left the development of the Greyhawk world to RPGA's Living Greyhawk campaign and concentrated on producing new source books of expansion material for the core rules of D & D.

Iron Crown also published the core of the Rolemaster Classic rules, with most of the options removed, as Rolemaster Express.

The core rules are defined in the ABNF standard.

Often called a subject area model ( SAM ) or high-level data model ( HDM ), this model is used to communicate core data concepts, rules, and definitions to a business user as part of an overall application development or enterprise initiative.

These vary greatly depending on regional variations, though the core of the rules remains the same.

To achieve that, according to the rules, at least 75 per cent of the area must be set aside as a natural biodiversity zone ( core zone ).

Australian rules football ( usually called " Aussie rules ", " AFL " or " footy ") is a popular spectator sport and a participation sport in all Australian states and territories, though its core support lies in four of the six states ; Victoria, South Australia, Western Australia and Tasmania.

Evegeni Dubovskoi conducted an exceptionally large orchestra, one containing excellent soloists -- the violin solos by the concertmaster, Guy Lumia, were especially fine -- but one in which the core of traveling players and the body of men added locally had not had time to achieve much unity.

While the greatest players of the time, among them Alekhine, Emanuel Lasker and Capablanca, clearly did not allow their play to be hobbled by blind adherence to general concepts that the center had to be controlled by pawns, that development had to happen in support of this control, that rooks always belong on open files, that wing openings were unsound — core ideas of Tarrasch's chess philosophy as popularly understood — beginners were taught to think of these generalizations as unalterable principles.

Originally known as Buckingham House, the building which forms the core of today's palace was a large townhouse built for the Duke of Buckingham in 1705 on a site which had been in private ownership for at least 150 years.

A core standard valve layout based on the action of three valves had become almost universal by ( at latest ) 1864 as witnessed by Arban's Method published in that year.

This has prompted suspicion that Omega Centauri was the core of a dwarf galaxy that had been absorbed by the Milky Way.

Furthermore, all air-conditioning ducting, electrical trunking and piping gathered inside the core area had to be squeezed into a very narrow and congested corridor ceiling void.

The first models were available with 8K words of magnetic core memory as an option, one that practically everyone had to buy, bringing the system cost up to $ 7, 995.

However, he also instituted a hierarchical system of levels among his followers, and had them swear an oath on his core tenets.

The Al-Azhar Supreme Council of Islamic Research, the highest religious authority in Egypt, issued a statement that FGM had no basis in core Islamic law, and this enabled the government to outlaw it entirely.

After the discovery of the hydrogen bonded A: T and C: G pairs, Watson and Crick soon had their anti-parallel, double helical model of DNA, with the hydrogen bonds at the core of the helix providing a way to " unzip " the two complementary strands for easy replication: the last key requirement for a likely model of the genetic molecule.

Among the artists of the core group ( minus Bazille, who had died in the Franco-Prussian War in 1870 ), defections occurred as Cézanne, followed later by Renoir, Sisley, and Monet, abstained from the group exhibitions so they could submit their works to the Salon.

Attempts to introduce large-scale cooperative farming were frustrated by landowning rural elites, who formed the core of the powerful right-wing of the Congress and had considerable political support in opposing the efforts of Nehru.

Currently, other clean variants use an older core ( 2. 02 ) and thus, K-Lite had some features that others didn't have.

Roger Blench notes that the Talodi and Heiban families have the noun-class systems characteristic of the Atlantic – Congo core of Niger – Congo, but that the two Katla languages have no trace of ever having had such a system, whereas the Kadu languages and some of the Rashad languages appear to have acquired noun classes as part of a Sprachbund rather than having inherited them.

This model was said to be found in EU core countries such as Belgium, France, Germany, the Netherlands and Italy, and it is also mirrored and emulated to some extent in the institutions of the EU, due to the relative weight that these countries had in the EU until the EU expansion by the inclusion of 10 new Eastern European member states in 2004.

By 1768 the core group of nine individuals who would form the nucleus of the Lunar Society had come together with Small at their heart.

The IBM System / 360 has a 32-bit architecture with 16 general-purpose registers, but most of the System / 360 implementations actually use hardware that implemented a much simpler underlying microarchitecture ; for example, the System / 360 Model 30 had 8-bit data paths to the arithmetic logic unit ( ALU ) and main memory and implemented the general-purpose registers in a special unit of higher-speed core memory, and the System / 360 Model 40 had 8-bit data paths to the ALU and 16-bit data paths to main memory and also implemented the general-purpose registers in a special unit of higher-speed core memory.

The Model 50 and Model 65 had full 32-bit data paths ; the Model 50 implemented the general-purpose registers in a special unit of higher-speed core memory and the Model 65 implemented the general-purpose registers in faster transistor circuits.

Though it was not intended, these new modes made the 68020 very suitable for page printing ; most laser printers in the early ' 90s had a 68EC020 at their core.

However they were not core founding members of the group and within a few months Nirvana had reverted to its original two-person lineup.