Lojban

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Lojban (pronounced [ˈloʒban]) is an experiment in human language – a constructed language defined using predicate logic
This website is dedicated to documenting Lojban and the activities of the Lojban-using community, and also serves as the official website of the Logical Language Group (LLG), a non-profit organization founded in 1987 to promote the scientific study of the relationships between language, thought and human culture.

What is Lojban?

Lojban is a carefully constructed spoken language. It has been built for over 50 years by dozens of workers and hundreds of supporters.

  • Lojban's grammar is simpler than of most natural languages, but complex in its own unique way. Lojban is an experiment in thought, as well, it wishes to see how these unique language structures affect thought and understanding.
  • Lojban allows the expression of tiny nuances in emotion, using words called attitudinals, which are essentially spoken emoticons.
  • Lojban allows you to communicate concisely without unnecessary or undesired details. For example, you don't have to always think of what tense (past, present or future) to use in a verb when it's already clear from context.
  • Lojban is machine parsable, which allows potential new explorations in the fields of artificial intelligence and machine translation.
  • Lojban is unambiguous in syntax. Natural languages often have ambiguous sentences — does "He's left" mean that he's still here or that he's gone? Lojban systematically eliminates this.
  • Lojban has a live community of speakers expanding its vocabulary day by day.

Lojban means different things to different people:

  • a linguistic curiosity - a test-bed for language experimentation
  • a way to expand their mind or discipline their thought
  • a new way to look at languages
  • a fun way to meet and communicate with friends, entertainment, a challenge, art, software application

... the list goes on! What will Lojban mean for you?

More basic information ...

Learning Lojban

Official resources

  • The full grammar of Lojban. This book will teach you how to read and use Lojban, what the different types of words and grammatical constructs do. It will not, however, teach you vocabulary, style, or colloquial language.
IMPORTANT NOTE: Since the publication of the full grammar there has been a change to the semantics of Lojban articles known as xorlo. These changes simplify usage in that aspect and the new system is not difficult to grasp. Please keep this reform in mind when consulting the full grammar, as it was effectively published before the approval of xorlo.

Unofficial and supplemental resources

Different non-authoritative learning resources have been created. They are said to be more beginner-friendly.

Dictionaries

Software tools

  • Memrise.com is a great place where you can learn Lojban words online. Just register on that website, try several courses and use the one that you like most. Alternatively use Anki (downloadable, Lojban decks are downloadable within the program)
  • camxes is an automatic grammar checker of what you write in Lojban (which is unique among all languages!) It can help you quickly understand whether your sentence is grammatically correct.

Other learning materials ...

Connect with the community

Lojban is spoken by a vibrant community of speakers, producing literature, music, and art, and solving together questions regarding Lojban. When the webcomic xkcd said that you'd have to be speaking Lojban with Lojbanists, it was indicating one of the best features of Lojban.

IRC (Internet Relay Chat)

It will allow you

  • to make friends,
  • to practice real-time Lojban conversation,
  • to get your questions answered quickly when there are others around.

Join the chat in your browser with the KiwiIRC client, or alternately with the QWebIRC client.

Here are the three channels (chat rooms) that are displayed as tabs in the upper left corner of the chat window:

  • #lojban for basic discussions in any language,
  • #ckule for questions from new learners in any language and
  • #jbosnu for discussions in Lojban only.

Here is an IRC cheat sheet for people who are learning Lojban.

For advanced users: if you have an IRC software installed you can use it to connect to the Freenode IRC network (the IRC server host name is chat.freenode.net , the port number is 6667, or 6697 for an SSL-encrypted connection) and join the channels mentioned above.

Mailing lists

Ask a question on Lojban
on the mailing list for beginners

The Lojban Beginners Mailing List is for discussions related to learning Lojban. Anything about how to understand a part of the language, how to learn it better, study tools, actual teaching sessions, and so on, is on topic. Nothing else is. You can also subscribe to it by sending your first question to lojban-beginners@googlegroups.com. Wait until it is approved and others reply to it.

The Lojban General Mailing List is another way to get your questions answered. It has about 500 subscribers, and has existed more-or-less continuously since 1989. You can also subscribe to it by sending a question to lojban@googlegroups.com.

3rd-party websites

Some Lojban people also have organized themselves on several 3rd-party websites, such as: Facebook Logo Mini.svg Facebook, Google plus icon.svg Google+, reddit-12.png Reddit, quora.png Quora.

la jbotcan is a simple Lojban image board where one posts images and comments them and discuss other random stuff. The atmosphere is very informal here. There is a Lojban and an English version.

International Contacts

Lojban around the world - other ways of communication ...

What's next?

  • Write your own original texts (prosa or poetry) in Lojban or translations. Start writing a blog or a personal diary
  • Continue memorizing the vocabulary and using Lojban as much as you can! Once you know what words you want to learn, you could try additional memorization software to vastly improve your vocabulary.
  • Try reading proofread (proofed by at least one Lojbanist in addition to the author) Lojban texts, starting with short-and-easy through to long-and-difficult. For example, read Terry the Tiger (you can listen to this one too!), then one of the Berenstain Bears books, for example The Berenstain Bears and the Prize Pumpkin, then The Little Prince.
  • You could contribute to the jbovlaste dictionary interface by adding new words. You could also translate some definition into one of the many, many languages that jbovlaste supports.
  • BPFK is a Lojban language planning committee.

More info ...

From Lojban news...

Community news

On the Internet

Twitter

Rodrigo Portela @Rodericus
@subetealanutria a a a! telo seli pimeja pi lape ala! mw.lojban.or...
2015-05-27 08:48:55
クレアムさんのミーム @KLEAM_SAN
「春を忘れて大樹は眠る」ncode.syosetu.com/n5210bx/ 「小説家になろう」で掲載している、普通のVRMMOモノの小説...
2015-05-27 08:04:12
Dank @Dank_scriptor
RT @laMudri: Imperative logic: en.wikipedia.org/wiki/Imperativ…. Ross' paradox is pa...
2015-05-26 16:20:57

Google Groups: lojban

Re: [lojban] {la .alis.} book
A pause of indeterminate length is phonetic realization of a phoneme. >> But why would one expect consistency with regard to a grammatical feature that is expressly variable? > > Becaus...
And Rosta 2015-05-27 17:49:04
Re: [lojban] {la .alis.} book
2015-05-27 20:00 GMT+03:00 Michael Everson <eve...@evertype.com>: > On 27 May 2015, at 16:42, And Rosta <and....@gmail.com> wrote: > > >> Well, a glottal stop is a conson...
la gleki 2015-05-27 17:17:25

GoogleGroups: lojban-beginners

Re: [lojban-beginners] Does the argument limit lead to half-ass words?
Read https://lojban.github.io/cll/19/6/ Basically, it's by using the "xi" subscript operator in connection with se or fa --gejyspa On Wed, May 27, 2015 at 3:35 PM, TR NS <tran...@gmail.com> w...
Michael Turniansky 2015-05-27 19:42:36
Re: [lojban-beginners] Does the argument limit lead to half-ass words?
Thanks. My impression is the gismu are kept at 5 or less (with possible rare exception) because referencing and switching places >5 is more verbose. But I've only gleaned that from online conver...
TR NS 2015-05-27 19:35:46

GoogleGroups: bpfk-list

Re: [bpfk] Re: Lojban word definitions style guidelines
Makes sense to me. Thanks for translating/sending. The BPFK does write cmavo definitions, so the guidelines may be relevant. I am a huge fan of eliminating slashes from definitions wherever possibl...
la durka 2015-05-27 20:52:18
Re: Lojban word definitions style guidelines
I don't know how much dictionary definition guidelines are relevant to the BPFK, but for lack of a better alternative, I've sent Naours' proposal here, to the BPFK list. Indeed, even if the BPFK we...
Ilmen 2015-05-27 20:07:38