EXAMPLE 2.1.14 SOLUTIONS

We will refer to the following truth table, which has columns for each of the statements involved in these exercises.

1. ? This is not correct, because column 7 is not identical to column 9.

2. ? This is correct, because column 7 is identical to column 10.

3. ? This is not correct, because column 8 is not identical to column 10.

4. ? This is correct, because column 8 is identical to column 9.