Possible Classroom Examples:

• Use the given symbols to rewrite the argument in symbolic form.  Then make a truth table to determine the validity of the argument.

p:	It is Tuesday.
q:	The tour group is in Belgium.

1.	If it is Tuesday, then the tour group is in Belgium.
2.	The tour group is not in Belgium.
Therefore, it is not Tuesday.

p	q	H1:	H2:		C:
T	T
T	F
F	T
F	F

• Define the necessary symbols, rewrite the argument in symbolic form, and use a truth table to determine whether the argument is valid.  If the argument is invalid, interpret the specific circumstances that cause the argument to be invalid.

If you are not in a hurry, you eat at Lulu’s Diner.  If you are in a hurry, you do not eat good food.  You eat at Lulu’s.  Therefore, you eat good food.

p:
q:
r:

Hypothesis 1:
Hypothesis 2:
Hypothesis 3:
Conclusion:

p

q

r

H1:

H2:

H3:

C:

T

T

T

T

T

F

T

F

T

T

F

F

F

T

T

F

T

F

F

F

T

F

F

F