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Tanbau (loglang)
created in: 2014
by: Jacob Thomas Errington (a.k.a. la tsani)
kind:Loglanian, minimalist
influenced by:Lojban, Gua\spi, Toaq
specification:"tanbau" on lojban.org
(in English)

Tanbau (natively tanbau) is an unfinished logical language. It is described on its homepage as follows:

Tanbau is a logical language constructed by tsani (Jacob Thomas Erringon) with ideas from Lojban, Gua\spi, and Toan Dzu. By using the more powerful parsing expression grammar formalization, Tanbau uses an extremely rich system of suffixes for grammatical purposes. It tries to solve some of the problems that were discovered with regards to Lojban, but above all else, it tries to build a new kind of formalization for logical languages.


The consonant inventory is reduced relative to Lojban, and the consonantal phonotactics are more strict. By contrast, the vowel inventory has been expanded.

Consonant phonemes
Labial Alveolar Palatal Velar Glottal
Plosive p b t d k g
Fricative f v s z ʃ ʒ h
Nasal m n
Lateral l
Rhotic r
Semivowel w j

/r/ can be any rhotic.

The vowels are similar to those of French.

Vowel phonemes
Front Central Back
Close i y u
Mid e ø ə o
Open-mid ɛ
Open a

The alphabet is as follows.

Grapheme a aa b c d e ee f g h i j k l m n o p r s t u v w x y z
Phoneme a ə b ʃ d e ɛ f g h i ʒ k l m n o p r s t u v ø x y z

(Differences from the IPA are highlighted.)