Back Lògica tradicional Catalan Begriffslogik German Lógica de términos Spanish Traditsiooniline loogika Estonian Logique traditionnelle French Tradicionális logika Hungarian Logika leksikal ID Teoria nazw Polish اصطلاحي منطق Pashto/Pushto Logica tradițională Romanian
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In logic and formal semantics, term logic, also known as traditional logic, syllogistic logic or Aristotelian logic, is a loose name for an approach to formal logic that began with Aristotle and was developed further in ancient history mostly by his followers, the Peripatetics. It was revived after the third century CE by Porphyry's Isagoge.
Term logic revived in medieval times, first in Islamic logic by Alpharabius in the tenth century, and later in Christian Europe in the twelfth century with the advent of new logic, remaining dominant until the advent of predicate logic in the late nineteenth century.
However, even if eclipsed by newer logical systems, term logic still plays a significant role in the study of logic. Rather than radically breaking with term logic, modern logics typically expand it.