1.In order to avoid relativism, Galmater took a strategy of augumentation stressing the logical function of categorial duality, which drew concern from many a philosopher.
1.In such a process, the attached affix is called a categoriser, which carries an important piece of grammatical information, i.e. the categorial feature.
2.That in the process of derivation some words can be formed without changing the category of the base lexeme indicates that some derivational affixes do not have any categorial (grammatical) information.
3.The nominal categoriser, -er, for example, not only provides a nominal categorial feature to a verbal lexeme, but also provides concrete semantic information, often denoting an agent who originates the event denoted by the verb.