In early 1997, participants on the p4c-list, an email discussion list, reacted to an anecdote about Wittgenstein’s lectures at Cambridge by engaging in a three month long exchange on the nature of a Community of Inquiry. This article is a lightly edited transcript of that discussion and, as such, not only addresses many aspects of the substantive issue, but also provides an exemplar of at least one type of Community of Inquiry.