totally hypothetical syllogism

logic

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In history of logic: Theophrastus of Eresus
…a class of inferences called totally hypothetical syllogisms, in which both premises and the conclusion are conditionals. This class would include, for example, syllogisms such as “If α then β; if β than γ; therefore, if α then γ,” or “if α then β; if not α then γ, therefore,…
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