Editing Loglan (section)

=== Arguments ===
The structure word "le" makes a predicate behave as a noun, so that it can be used as an argument of another predicate. The three-place predicate "matma" means "M is the mother of C by father F", so "le matma" means "the mother". Thus "Le matma pa vedma" means "the mother sold (something)", while "Le vedma pa matma" means "the seller was a mother (of someone)".

A name can be used as an argument by preceding it with the structure word "la". Thus "La Adam vedma" means "Adam sells". Unlike in English and many other languages, this structure word is required; an unadorned name cannot be used as an argument. (The sentence "Adam vedma" is an imperative meaning "Adam, sell (something)." In this case, the name is used as a [[vocative]], not as an argument.)  

A name, or any other word or phrase, can be explicitly quoted with the structure words "li" and "lu" to use the word itself, rather than the thing that word refers to, as an argument. Thus "Li Adam lu corta purda" means "''Adam'' is a short word." Without the li/lu quotes, the sentence "La Adam corta purda" ("Adam is a short word") would claim that Adam, the person himself, is a short word.