Mary Ann Warren

Mary Ann Warren and Don Marquis both have different arguments about the morality of abortion. Warren argues that abortion is not immoral and either is killing an infant. Marquis, on the other hand, argues that it is immoral to have an abortion or kill an infant.

Warren states that there is no limitation to abortion and it is always justifiable. A fetus or infant are not considered persons. To Warren it is wrong to kill an innocent human being but a fetus is not a human being, so therefore, it is not wrong to kill a fetus. A fetus or infant has not reached personhood due to the five traits which Warren describes makes a person. The traits that make a person, according to Warren are: consciousness, reasoning, self-motivated activity, ability to communicate, and self-awareness. The first two in Warren's list are necessary for personhood, the third is sufficient for personhood. The last two are part of the traits that make up personhood. Since fetus' do not fall under these traits, according to Warren, abortion is not immoral.

Don Marquis argues that abortion is immoral. The killing