In this way, the metalanguage can be used to talk about the object language; Tarski demanded that the object language be contained in the metalanguage.

The language used to make statements about an object language is called a metalanguage.

Web hosts often offer PHP 4 configuration; the object language requires a more elaborate reasoning.

Indeed Graham Priest himself said that "the whole point of the dialetheic solution to the semantic paradoxes is to get rid of the distinction between object language and meta-language".

Graham Priest once wrote "the whole point of the dialetheic solution to the semantic paradoxes is to get rid of the distinction between object language and meta-language".[1]

In other object-oriented languages, such as Smalltalk, everything is an object, including a number.

:Simula 67 was the first object-oriented language.

Object-oriented language, very portable, syntax also used for Internet scripts (syntax, not language …).

Ada 95 was the first internationally standardized (ISO) Object-Oriented Language.

Visual BASIC claims also to be an object-oriented language although many programmers do not completetly agree on this.

It is a tool written in Java, but easily accessible from the code in other languages.