Selbri

Definition and stakes

John Woldemar Cowan,  The Complete Lojban Language — Chapter 2 - The concept of the bridi (1997)

“ There is a problem when we want to say “The fast one is talking.” The “obvious” translation “le sutra tavla” turns out to mean “the fast talker”, and has no selbri at all. To solve this problem we can use the word “cu”, which so far has always been optional, in front of the selbri.
The word “cu” has no meaning, and exists only to mark the beginning of the selbri within the bridi, separating it from a previous sumti. It comes before any other part of the selbri, including other cmavo like “se” or “te”.
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Source: Wikisource

John Woldemar Cowan,  The Complete Lojban Language — Chapter 15 - “No” Problems… (1997)

“ Correspondingly, some selbri have no obvious “to'e” — what is the opposite of a dog? — while others have more than one, and need “ci'u” to specify which opposite is meant.
sumpti negation There are two ways of negating sumti in Lojban. We have the choice of quantifying the sumti with zero, or of applying the sumti-negator “na'ebo” before the sumti. It turns out that a zero quantification serves for contradictory negation. As the cmavo we use implies, “na'ebo” forms a scalar negation.
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Source: Wikisource

John Woldemar Cowan,  The Complete Lojban Language (2016)

“ The same part of speech is used to represent the relationship. In formal logic this whole structure is called a “predication”; in Lojban it is called a bridi, and the central part of speech is the selbri. Logicians refer to the things thus related as “arguments”, while Lojbanists call them sumti. These Lojban terms will be used for the rest of the book.
In a relationship, there are a definite number of things being related. In English, for example, “give” has three places: the donor, the recipient and the gift. For example:
Example 2.4 John gives Sam the book.
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Source: Wikisource

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