Solution to An island has two types of inhabitants. Those of type A only ask questions whose … - Sikademy
Author Image

Archangel Macsika

An island has two types of inhabitants. Those of type A only ask questions whose correct answer is Yes. Those of Type B only ask questions whose correct answer is No. On the Island, you encounter Tom and Jerry who are inhabitants of the island. Tom asks “Are Tom and Jerry both of Type B”. Determine the types of Tom and Jerry. Justify your answer.

The Answer to the Question
is below this banner.

Can't find a solution anywhere?

NEED A FAST ANSWER TO ANY QUESTION OR ASSIGNMENT?

Get the Answers Now!

You will get a detailed answer to your question or assignment in the shortest time possible.

Here's the Solution to this Question

Case I: Say Tom is of Type A.

Truth: Tom & jerry are both of Type B.


Contradicted.

Case II: Say Tom is of Type B.

Truth: ~ (Jerry and I are both of Type B)


=> ~(jerry is of Type B) or ~(Tom is of Tpe B)


[According to Second DeMorgan's Law]


=> (jerry is of Type A) or (Tom is of Type A)


Since Tom is already of Type B, Jerry shoud be of Type A.



Related Answers

Was this answer helpful?

Join our Community to stay in the know

Get updates for similar and other helpful Answers

Question ID: mtid-5-stid-8-sqid-3035-qpid-1734