Original Greek meaning
In Greek, the prefix meta- is generally less esoteric than in English; Greek meta- is equivalent to the Latin words post- or ad-. The use of the prefix in this sense occurs occasionally in scientific English terms derived from Greek. For example: the term Metatheria (the name for the clade of marsupial mammals) uses the prefix meta- in the sense the Metatheria occur on the tree of life adjacent to the Theria (the placental mammals).
In epistemology, and often in common use, the prefix meta- is used to mean about (its own category). For example, metadata are data about data (who has produced them, when, what format the data are in and so on). In a database, metadata are also data about data stored in a data dictionary and describe information (data) about database tables such as the table name, table owner, details about columns, – essentially describing the table. Also, metamemory in psychology means an individual's knowledge about whether or not they would remember something if they concentrated on recalling it. The modern sense of "an X about X" has given rise to concepts like "meta-cognition" (cognition about cognition), "meta-emotion" (emotion about emotion), "meta-discussion" (discussion about discussion), "meta-joke" (joke about jokes) and "metaprogramming" (writing programs that write programs). "Metagaming" accordingly, means game about game. However, it has a different meaning depending on the type of game. In role-playing games, this means that someone with a higher level of knowledge is playing, i.e. that the player incorporates factors that are outside the actual framework of the game. The player has knowledge that was not acquired through the play and experience in the game, but was obtained from external sources. This type of metagaming is often frowned upon in many role-playing game communities because it impairs game balance and equality of opportunity. Metagaming can also refer to a game that is used to create or change the rules while playing the game. You can play this kind of metagame and choose which rules apply during the game itself. So you have the possibility, among other things, to adjust or increase the level of difficulty. Such metagame include et al. campaign role-playing games like Halo 3. Complex card - or board games, e.g. poker or chess, are also called as metagame. According to Nigel Howard is this kind of metagame defined as a decision-making process that is derived from the analysis of possible outcomes in relation to external variables that change a problem.
Abstraction and self-reference
Any subject can be said to have a metatheory, a theoretical consideration of its properties—such as its foundations, methods, form, and utility—on a higher level of abstraction. In linguistics, a grammar is considered as being expressed in a metalanguage, language operating on a higher level to describe properties of the plain language (and not itself).Etymology
The prefix comes from the Greek preposition and prefix meta- (μετα-), from μετά, which meant "after", "beside", "with", "among" (with respect to the preposition, some of these meanings were distinguished by case marking). Other meanings include "beyond", "adjacent" and "self", and it is also used in the forms μετ- before vowels and μεθ- "meth-" before aspirated vowels.
The earliest form of the word "meta" is the Mycenaean Greek me-ta, written in Linear B syllabic script. The Greek preposition is cognate with the Old English preposition mid "with", still found as a prefix in midwife. Its use in English is the result of back-formation from the word "metaphysics". In origin Metaphysics was just the title of one of the principal works of Aristotle; it was so named (by Andronicus of Rhodes) because in the customary ordering of the works of Aristotle it was the book following Physics; it thus meant nothing more than "[the book that comes] after [the book entitled] Physics". However, even Latin writers misinterpreted this as entailing metaphysics constituted "the science of what is beyond the physical". Nonetheless, Aristotle's Metaphysics enunciates considerations of natures above physical realities, which one can examine through this particular part of philosophy, for example, the existence of God. The use of the prefix was later extended to other contexts based on the understanding of metaphysics to mean "the science of what is beyond the physical".
Early use in English
The Oxford English Dictionary cites uses of the meta- prefix as "beyond, about" (such as meta-economics and meta-philosophy) going back to 1917. However, these formations are parallel to the original "metaphysics" and "metaphysical", that is, as a prefix to general nouns (fields of study) or adjectives. Going by the OED citations, it began being used with specific nouns in connection with mathematical logic sometime before 1929. (In 1920 David Hilbert proposed a research project in what was called "metamathematics.")
Douglas Hofstadter, in his 1979 book Gödel, Escher, Bach (and in the 1985 sequel, Metamagical Themas), popularized this meaning of the term. The book, which deals with self-reference and strange loops, and touches on Quine and his work, was influential in many computer-related subcultures and may be responsible for the popularity of the prefix, for its use as a solo term, and for the many recent coinages which use it. Hofstadter uses meta as a stand-alone word, as an adjective and as a directional preposition ("going meta," a term he coins for the old rhetorical trick of taking a debate or analysis to another level of abstraction, as when somebody says "This debate isn't going anywhere"). This book may also be responsible for the association of "meta" with strange loops, as opposed to just abstraction. According to Hofstadter, it is about self-reference, which means a sentence, idea or formula refers to itself. The Merriam-Webster Dictionary describes it as "showing or suggesting an explicit awareness of itself or oneself as a member of its category: cleverly self-referential". The sentence "This sentence contains thirty-six letters," and the sentence which embeds it, are examples of "metasentences" referencing themselves in this way. As maintained in the book, Gödel, Escher, Bach a strange loop is given if different logical statements or theories are put together in contradiction and thus distorted in meaning and generate logical paradoxes. One example is the liar paradox. A liar's paradox is a paradox in philosophy or logic that arises when a sentence claims its own falsehood (or untruth), for instance: "This sentence is not true." Until the beginning of the 20th century, this kind of paradoxes were a considerable problem for a philosophical theory of truth. Alfred Tarski solved this difficulty by proving that such paradoxes do not exist with a consistent separation of object language and metalanguage. "For every formalized language, a formally correct and factually applicable definition of the true statement can be constructed in the metalanguage with the sole help of expressions of a general-logical character, expressions of the language itself and of terms from the morphology of the language, but on the condition that the metalanguage is of a higher order than the language that is the subject of the investigation."\
Video game strategy
In video gaming and esports, a metagame, or "meta", is the optimal or most dominant strategy. Metas are usually determined by the community of the game in question. Depending on the game, this may indicate characters, decks, items, or other choices used most frequently in top-tier or professional play. It could also indicate optimal tactics and strategies. Metas may change when the developers of a game make changes to the strength of certain game elements, known as "buffs" and "nerfs" for increases and decreases in utility, respectively.
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