Instruction: Classify the RULES OF INFERENCE used in each of the following sentences.
______________11. If it will rain, then I will wear my coat. Therefore, if it will rain then it will rain and I will wear my coat.
______________12. If it rains, I will take a leave and if it is hot outside, I will go for a shower. Either it will rain or it is hot outside. Therefore, I will take a leave or I will go for a shower.
______________13. If you repent, you will go to heaven. You have repented. So you will go to heaven.
______________14. If I am happy, then I smile. I am not smiling; therefore, I am not happy.
______________15. If God exists, I have everything to gain by believing in Him and if God does not exist, I have nothing to lose by believing in Him. Either God exists or God does not exist. Therefore, I have everything to gain or nothing to lose by believing in Him.
______________16. Either the Sun orbits the Earth, or the Earth orbits the Sun. The Sun does not orbit the Earth. Therefore, the Earth orbits the Sun.
______________17. If it rains, we will not have a picnic. If we don’t have a picnic, we won’t need a picnic basket. Therefore, if it rains, we won’t need a picnic basket.
______________18. He studies very hard. He is the best boy in the class. Therefore, he studies very hard and he is the best boy in the class.
______________19. If I do not wake up, then I cannot go to work. If I cannot go to work, then I will not get paid. Therefore, if I do not wake up, then I will not get paid.
______________20. If you buy today, I will give you a 10% discount. You have agreed to buy today, so I will reduce the price by 10%.