Unit 6 · Identifying Sufficient Information
Ravi vs Luca — Whose Reasoning Holds?
Lesson 7 of 12
About this lesson
One fact: most Bulbo trees are in the Manu Forest in Peru. Two deductions: Ravi says a random Bulbo tree is probably in Peru, and Luca says a random Manu Forest tree is probably a Bulbo. Only one of them is right — and figuring out which one requires understanding the difference between "most X are in Y" and "most Y are X." This is one of the most important logical distinctions in OC TS.
Chapters
Question
| The majority of the Bulbo trees in the world are in the Manu Forest in Peru. |
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Ravi: "So if you were to randomly choose a tree from all the Bulbo trees in the world, it would probably be in Peru."
Luca: "And if you were to randomly choose a tree in the Manu Forest, it would probably be a Bulbo tree."
If the information in the box is true, whose reasoning is correct?
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