Provide a symbolization key and translate the argument into QL with identity. If the argument is valid, provide a proof of it. If the argument is invalid, provide a model that shows it to be invalid. All cellists and violinists are members of the string section. Some violinists are not cellists. Also, some cellists are not violinists. Therefore, everyone is a member of the string section. Ben Solo is a Padawan. Furthermore, Ben Solo is stronger with the Force than any Padawan at the Jedi Academy. Since no Padawan is stronger with the Force than himself, it follows that Ben Solo is not a student at the Jedi Academy. The present King of France is bald. Bald people are jolly. So, the present King of France is jolly. (do not use a constant where you need a predicate.) Every twin has someone who is their sibling. The siblings of yellow cows are also yellow. So, the yellow cow does not have a twin.
Provide a symbolization key and translate the argument into QL with identity. If the argument is valid, provide a proof of it. If the argument is invalid, provide a model that shows it to be invalid.
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All cellists and violinists are members of the string section. Some violinists are not cellists. Also, some cellists are not violinists. Therefore, everyone is a member of the string section.
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Ben Solo is a Padawan. Furthermore, Ben Solo is stronger with the Force than any Padawan at the Jedi Academy. Since no Padawan is stronger with the Force than himself, it follows that Ben Solo is not a student at the Jedi Academy.
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The present King of France is bald. Bald people are jolly. So, the present King of France is jolly. (do not use a constant where you need a predicate.)
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Every twin has someone who is their sibling. The siblings of yellow cows are also yellow. So, the yellow cow does not have a twin.
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