Conclusion: A will that is good in itself must perform certain duties.
EP1: Actions involving activities such as dishonesty or stealing are contrary to duty. (pg.10)
IP2: Performing actions that are contrary to duty can never be good and do not constitute a good will.
EP2: Actions are only good if they are done for the sake of duty. (pg.10)
IP3: Actions done for the sake of duty are apriori.
EP3: Actions done in accordance with duty but not for the sake of duty are not good. (pg.10)
EP4: Actions done in accordance with duty and with the inclination to do good but are not ultimately performed for the sake of duty are not good. (pg.10)
EP5: Actions done for the sake of duty, despite an inclination to act otherwise, are not only good but are also considered to be the highest in moral worth. (pg.11)