Debate with Jonathan Ball

This is a talk I recently gave to the University of Sydney to some Honours students who were about to embark on animal research projects. When Jonathan Ball, a regular contributor to the newsgroup talk.politics.animals, challenged me to defend my contention that nonhuman animals are entitled to equal moral consideration with humans, I asked him to write a response to it.

Here is his first response.

Here is my reply.

Ball has since had some further thoughts about the matter. Here is my reply.

Ball responded by challenging my third premise. Here is my reply.