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In computer science, the expressive power (also called expressiveness or expressivity) of a language is the breadth of ideas that can be represented and communicated in that language. The more expressive a language is, the greater the variety and quantity of ideas it can be used to represent.
Expressivity, expressiveness, and expressive power may refer to: Expressivity (genetics), variations in a phenotype among individuals carrying a particular genotype; Expressive loan, a type of loanword in phono-semantic matching; Expressive power (computer science) of a programming language; Expressive suppression, an aspect of emotion regulation
Fixed expression, a form of words with a specific meaning; Idiom, a type of fixed expression; Metaphorical expression, a particular word, phrase, or form of words that has a different meaning than its literal form; Expression (sign language), the expressions and postures of the face and body that contribute to the formation of words when signing
Expressive aphasia (also known as Broca's aphasia) is a type of aphasia characterized by partial loss of the ability to produce language (spoken, manual, [1] or written), although comprehension generally remains intact. [2] A person with expressive aphasia will exhibit effortful speech.
Expressive language disorder is one of the "specific developmental disorders of speech and language" recognized by the tenth edition of the International Classification of Diseases (ICD-10). As of the eleventh edition (ICD-11, current 1 January 2022), it is considered to be covered by the various categories of developmental language disorder .
Meaning the phenotype that is observed can be a result of two different alleles (gene variants) being summed or multiplied. However, a reduction in expression may also occur in which the primary locus, where the gene is located, is affected. [4] Epigenetic factors are heritable changes in the chromatin accessibility that affect the gene ...
In meta-ethics, expressivism is a theory about the meaning of moral language.According to expressivism [citation needed], sentences that employ moral terms – for example, "It is wrong to torture an innocent human being" – are not descriptive or fact-stating; moral terms such as "wrong", "good", or "just" do not refer to real, in-the-world properties.
A formal expression is a kind of string of symbols, created by the same production rules as standard expressions, however, they are used without regard to the meaning of the expression. In this way, two formal expressions are considered equal only if they are syntactically equal, that is, if they are the exact same expression.