1. Marquis' argument concerning abortion points toward the moral impermissibility of euthanasia.
2. Thomson feels that the self-defense right is not dependent on the attackers knowledge of his threat.
3. The basis of thomson's argument concerning abortion is the ambbiguity concerning when significant human life begins in the womb.
4. Marquis claims that the standard pro-life argument concerning abortion is decidely superior to the pro-choice one because it takes into account Judeo-Christian teachings concerning the sanctity of life.