Syllogism

Logic Level 3

Statements:

  1. Some mails are chats.
  2. All updates are chats.

Possible conclusions:

  1. All mails being updates is a possibility.
  2. No update is a mail.

Which of the following is true?

Neither conclusion follows Only conclusion 1 follows Only conclusion 2 follows Both the conclusions follow

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1 solution

David Stiff
Jun 6, 2018

We know conclusion 2 is wrong right away, for if some mails are chats and all updates are chats, at least one mail would be a chat and thus an update.

Conclusion 1 is correct, for again, if some mails are chats and all updates are chats, it is possible that all mails are chats and thus updates.

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