Multiple Choice: Click on the correct answer and the page will jump forward to the next problem.
1. When we use the rule "&E", we cite how many line numbers in the justifictaion?
a.
1 b.
2 c.
3
2. When we use the rule "&I", we cite how many line numbers
in the justifictaion?
a.
1 b.
2 c.
3
3. When we use the rule ">E", we
cite how many line numbers in the justifictaion?
a.
1 b.
2 c.
3
4. In order to break "A&B" down into its parts, a derivation
could use
a.
&I b.
&E c.
>E
5. In order to derive "(A>B)&(DvL)"
from two premises, "A>B" and "DvL", one can always
use which rule?
a.
&I b.
&E c.
>E
6. Which of the following rules is not defined
in tutorial 5.1?
a.
&I b.
>I c.
>E d.
&E
7. If one's premises on lines 1 and 2 are 'A>B'
and 'A&N', then on line 3, which rule could not be used.
a.
&I b.
&E c.
>E