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  2. Eclogues - Wikipedia

    en.wikipedia.org/wiki/Eclogues

    A dialogue between Tityrus and Meliboeus. In the turmoil of the era Meliboeus has been forced off his land and faces an uncertain future. Tityrus recounts his journey to Rome and the "god" he met there who answered his plea and allowed him to remain on his land.

  3. Term logic - Wikipedia

    en.wikipedia.org/wiki/Term_logic

    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.

  4. Organisation of Internationalist Communists of Greece

    en.wikipedia.org/wiki/Organisation_of...

    The historical roots of OKDE can be traced to the Left Opposition of the Communist Party of Greece around Pandelis Pouliopoulos and Pastias Giatsopoulos, which was expelled at the third Regular Congress of the party in 1928.

  5. Glossary of logic - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_logic

    A logic that extends first-order logic to allow for more nuanced expressions of quantifier scope and dependence, particularly in contexts of game-theoretical semantics. independent Referring to a pair of propositions that are not contrary , subcontrary , contradictory , logically equivalent , or implied one by the other (either the first by the ...

  6. Philosophical logic - Wikipedia

    en.wikipedia.org/wiki/Philosophical_logic

    Karel Lambert, who coined the term "free logic", has suggested that free logic can be understood as a generalization of classical predicate logic just as predicate logic is a generalization of Aristotelian logic. On this view, classical predicate logic introduces predicates with an empty extension while free logic introduces singular terms of ...

  7. Syllogism - Wikipedia

    en.wikipedia.org/wiki/Syllogism

    A syllogism (Ancient Greek: συλλογισμός, syllogismos, 'conclusion, inference') is a kind of logical argument that applies deductive reasoning to arrive at a conclusion based on two propositions that are asserted or assumed to be true.

  8. Logic - Wikipedia

    en.wikipedia.org/wiki/Symbolic_logic

    Logic studies valid forms of inference like modus ponens. Logic is the study of correct reasoning. It includes both formal and informal logic. Formal logic is the study of deductively valid inferences or logical truths. It examines how conclusions follow from premises based on the structure of arguments alone, independent of their topic and ...

  9. List of valid argument forms - Wikipedia

    en.wikipedia.org/wiki/List_of_valid_argument_forms

    In syllogistic logic, there are 256 possible ways to construct categorical syllogisms using the A, E, I, and O statement forms in the square of opposition. Of the 256, only 24 are valid forms. Of the 24 valid forms, 15 are unconditionally valid, and 9 are conditionally valid.