Conditional statements and laws. 1. If it is raining, I will use an umbrella.
It is raining.
Therefore, I will use an umbrella.
2. If the sun sets, it will be dark outside.
It is not dark outside.
Therefore, the sun hasn’t set yet.
3. If I do well on my assignments, my grade will improve.
If my grade improves, my parents will be happy.
Therefore, if I do well on my assignments, my parents will be happy.
4. If I cook dinner, my daughter will eat.
My daughter ate.
Therefore, I cooked dinner.

ANSWER OPTIONS:
Law of Detachment, not a valid conclusion has been made, Law of Syllogism, Or Law of Contrapositive.