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The Validity of Categorical Syllogism

December 1, 2019March 27, 2021jensenismo 0 Commentsand conversely. A categorical syllogism is valid if it conforms to the four fundamental syllogistic rules discussed in passing below. Meaning to say, drawing a negative conclusion from affirmative premises, drawing an affirmative conclusion from a negative premise, fallacy of exclusive terms, fallacy of undistributed middle, if an argument violates at least one of these rules, if it is valid, if none of the rules is broken, illicit major, illicit minor, it is invalid. On the other hand, Names and structures of unconditionally valid syllogisms, No argument can be both invalid and valid. That is, Structures of conditionally valid syllogisms, testing the validity by analogy, the syllogism is valid., The Validity of Categorical Syllogism, then it cannot be invalid

No argument can be both invalid and valid. That is, if it is valid, then it cannot be invalid, and conversely. A categorical syllogism is valid if it conforms to the four fundamental syllogistic rules discussed in passing below. Meaning to say, if an argument violates at least one of these rules, it is invalid. On the other hand, if none of the rules is broken, the syllogism is valid.

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