Season 4: Summa Theologica Part I Questions 75-102&nbsp; Season 3: Summa Theologica, Part III, Questions 1-26&nbsp; Season 2: John Paul II's letter "The Gospel of LIfe" (Evangelium Vitae)&nbsp; Season 1: Summa Contra Gentiles, Book IV, which considers salvation.

Are there different souls in man, nutritive, sensitive, and intellectual?

ST I Q76 a3

ST I Q76 a2

Is the intellectual principle the form of the body?

ST I Q76 a1

Is the soul of the same species as an angel?

ST I Q75 a7

ST I Q76 a6

ST I Q75 a5

ST I Q75 a4

Are the souls of brute animals subsistent?