Optimality theory (frequently abbreviated OT) is a linguistic model proposing that the observed forms of language arise from the interaction between conflicting constraints. OT models grammars as systems that provide mappings from inputs to outputs; typically, the inputs are conceived of as underlying representations, and the outputs as their surface realizations.
Read more about Optimality Theory: Theory, Input and GEN: The Candidate Set, CON: The Constraint Set, EVAL: Definition of Optimality, Example, Criticism, Theories Within Optimality Theory, Use Outside of Phonology
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“Hygiene is the corruption of medicine by morality. It is impossible to find a hygienest who does not debase his theory of the healthful with a theory of the virtuous.... The true aim of medicine is not to make men virtuous; it is to safeguard and rescue them from the consequences of their vices.”
—H.L. (Henry Lewis)