Lojban 25th Anniversary celebration, 2013, Fairfax, Virginia, USA.
Lojban is a carefully constructed spoken language designed in the hope of removing a large portion of the ambiguity from human communication. It was made well-known by a Scientific American article and references in science fiction Lojban has been built over five decades by dozens of workers and hundreds of supporters.
Lojban has a number of features which make it unique:
Lojban is designed to be used by people in communication with each other, and possibly in the future with computers.
Lojban is designed to be culturally neutral.
Lojban has an unambiguous grammar, which is based on the principles of logic.
Lojban has phonetic spelling, and unambiguous resolution of sounds into words.
Lojban is simple compared to natural languages; it is easy to learn.
Lojban's 1300 root words can be easily combined to form a vocabulary of millions of words.
Lojban is regular; the rules of the language are without exception.
Lojban attempts to remove restrictions on creative and clear thought and communication.
Lojban has a variety of uses, ranging from the creative to the scientific, from the theoretical to the practical.
This site is the official repository of materials from The Logical Language Group (LLG), the non-profit corporation which has led Lojban development since 1987.
As part of the LLG's commitment to the community, this site attempts to reflect a cross section of the Lojban community outside of the LLG. Some of the material on this site isn't officially sanctioned, but what is official is explicitly stated.
News
15 December 2014 At the 2014 Annual Meeting of LLG (ongoing), an unprecedented nine lojbanists from six different countries were admitted as voting members of the Logical Language Group. Welcome az, durka, gleki, guskant, ilmen, mukti, selpa'i, tsani, and xalbo!
15 November 2014 "bripre jikca 9", the tenth and final episode of "bripre jikca", is now available. The theme is {skari} ("color") and it includes texts by keidji, niftg, mukti, xorxes, and junpen on that topic, as well as readings by mizu'e and durka42.
31 October 2014 "bripre jikca 8", the ninth episode of "bripre jikca", is now available. The theme is {fulta} ("floating") and it includes chef mankant's recipe for a floating island, and texts on that subject from durka42 and niftg. Submissions are requested by November 8 for the next episode (theme: {skari} — "color"), to be published November 15. bripre and mankant are taking a well deserved vacation, so this will be the last episode for the time being.
18 October 2014 "bripre jikca 7", the eigth episode of "bripre jikca", is now available. The theme is {santa} ("umbrella") and it includes texts on that subject from graywyvern, lojytan, niftg, durka42 and mukti. Submissions are requested by October 25 for the next episode (theme: {fulta} — "floating"), to be published November 1.
6 October 2014 "lo jbobau cu mo", a new "jbo-rap" by selpa'i, featuring danr, Ilmen, and durka42 is released. It is described as a "commentary on the current situation in 'Lojbanistan'" and "a call to action."
4 October 2014 "bripre jikca 6", the seventh episode of "bripre jikca", is now available. The theme is {xutla} ("smooth/silky/soft") and it includes texts on that subject from niftg, junpen and ilmen. Submissions are requested by October 11 for the next episode (theme: {santa} — "umbrella"), to be published October 18.
27 September 2014 Martin Bays releases tersmu 0.2, a "semantic parser" for lojban, implemented in Haskell. It transforms lojban input into expressions of first order logic.
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