Assertion: heterosexual coitus | /r/HasProperty | natural
Facets:
value: for the sake of discussion
type: PURPOSE
Source sentences:
text: Further, from the fact that heterosexual coitus is natural, it does not follow that acts of heterosexual coitus will be nonmorally good, that is, pleasurable; nor does it follow from the fact that homosexual fellatio is perverted that it does not or cannot produce sexual pleasure for those people who engage in it.
text: Suppose we assume, for the sake of discussion only, that heterosexual coitus is a natural human sexual activity and that homosexual fellatio is unnatural, or a sexual perversion.