Two are true, one is not

Exercise and reference answers

Questions

1. False statement

   An analogy yields a certain conclusion

   Statements

   1. An analogy yields a probable conclusion
   2. Relevant resemblance strengthens it
   3. An analogy yields a certain conclusion

2. False statement

   Analogy argues rule to case

   Statements

   1. Analogy argues rule to case
   2. Analogy argues case to case
   3. Induction argues cases to rule

3. False statement

   Any likeness at all makes the argument strong

   Statements

   1. Irrelevant likeness adds nothing
   2. Any likeness at all makes the argument strong
   3. A relevant difference weakens the argument

Explanation