Select all arguments below which are valid. a. If Heather teaches MAT 243, every student will pass. Heather is not teaching MAT 243. Therefore no student will pass.
b. Jim will eat a taco or a salad. Jim will not eat a salad, or he will drink Dr. Pepper. Therefore Jim will eat a taco or he will drink Dr. Pepper.
c. It is cold. Therefore it is cold or it is raining.
d. If Heather teaches MAT 243, every student will pass. Heather is teaching MAT 243. Therefore every student will pass.
e. It is cold. Therefore it is cold and it is raining.
f. If there is a war in Europe, a treaty has been broken. A treaty has been broken. Therefore there is a war in Europe.
g. If there is a war in Europe, a treaty has been broken. No treaty has been broken. Therefore there is no war in Europe.