True or false: reasoning from two premises

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   A conclusion must not distribute a term the premises left undistributed.

2. Statement is true

   No

   Statement

   'Some' statements alone can prove a universal conclusion.

3. Statement is true

   Yes

   Statement

   A valid deduction's conclusion is contained in its premises.

4. Statement is true

   Yes

   Statement

   True premises with a valid form give a true conclusion.

5. Statement is true

   No

   Statement

   A valid argument can have true premises and a false conclusion.

Explanation