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A metatheory or meta-theory is a theory on a subject matter that is a theory in itself. [1] Analyses or descriptions of an existing theory would be considered meta-theories. [ 2 ] If the subject matter of a theoretical statement consists of one or multiple theories, it would also be called a meta-theory. [ 3 ]
In metaphilosophy and ethics, metaethics is the study of the nature, scope, ground, and meaning of moral judgment, ethical belief, or values.It is one of the three branches of ethics generally studied by philosophers, the others being normative ethics (questions of how one ought to be and act) and applied ethics (practical questions of right behavior in given, usually contentious, situations).
The title page of the Principia Mathematica (shortened version), an important work of metamathematics.. Metamathematics is the study of mathematics itself using mathematical methods.
Unlike theorems proved within a given formal system, a metatheorem is proved within a metatheory, and may reference concepts that are present in the metatheory but not the object theory. [citation needed] A formal system is determined by a formal language and a deductive system (axioms and rules of inference). The formal system can be used to ...
Meta (from the μετά, meta, meaning 'after' or 'beyond') is an adjective meaning 'more comprehensive' or 'transcending'. [1]In modern nomenclature, the prefix meta can also serve as a prefix meaning self-referential, as a field of study or endeavor (metatheory: theory about a theory; metamathematics: mathematical theories about mathematics; meta-axiomatics or meta-axiomaticity: axioms about ...
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Metalogic is the metatheory of logic. Whereas logic studies how logical systems can be used to construct valid and sound arguments , metalogic studies the properties of logical systems . [ 1 ] Logic concerns the truths that may be derived using a logical system; metalogic concerns the truths that may be derived about the languages and systems ...
Metamodernism is the term for a cultural discourse and paradigm that has emerged after postmodernism.It refers to new forms of contemporary art and theory that respond to modernism and postmodernism and integrate aspects of both together.