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arruah2020-05-07 17:52:46
fuzzy logic
arruah, 2020-05-07 17:52:46

How to solve this logical problem with syllogisms?

You need to choose several answers that fit the example of a syllogism:

Every man is mortal
Socrates is a man
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Socrates is mortal

- In every German city there is a zoo. There is no zoo in Southpark. Therefore, Southpark is not a German city.
- Only raw fish dishes are Japanese cuisine. Philadelphia from raw fish. Hence, this is Japanese cuisine.
- John gets excellent grades in math and physics at school, and all such students almost certainly go to university. So John will almost certainly go to university.
- All fish can swim. Pike is a fish. Therefore, the pike can swim.
- Every major city has a cinema and a restaurant. Southpark has a cinema and a restaurant. Consequently, Southpark is a major city.
- Mumsiks suffering from spontylism never need to be ligerized. Kars is a spontylistic mumzik. Therefore, he does not need ligermization.

It seems to me that two options are correct here: the option with pike and Japanese cuisine. But this answer doesn't work.

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SagePtr, 2020-05-07
@arruah

These two points are not logical:
- Only raw fish dishes are Japanese cuisine. Philadelphia from raw fish. Hence, this is Japanese cuisine. (the presence of raw fish is a necessary condition for Japanese cuisine, but not a sufficient condition)
- Every major city has a cinema and a restaurant. Southpark has a cinema and a restaurant. Consequently, Southpark is a major city. (nothing is said about small towns, they may or may not have a cinema and a restaurant, because the presence does not mean belonging)
If I understand correctly, you need to choose all the options except for these two.

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