Thanks to pro for accepting. I'll start with my case then move to responding to his last round.
== Case ==
Justice is a system by which people determine their obligations to each other; therefore it is not a natural entity, but a social construct.If justice is based in natural facts, then we have no reason for thinking that any normative statements are true. Mackie:
In order to avoid such relativism, justice is premised on contractual obligations that actors have to each other, because allocations of due are communal matters. Gauthier 1:
If morality doesn’t actually obligate us, then we have no reason to accept its principles and skepticism follows since individuals would reject other theories. Instead, we formulate what we are due from contracts with others. Also prefer contractarianism since it is based on consent—implicit in acceptance of a contract—which ultimately determines what qualifies as a net good or harm, i.e. whether intercourse is rape or if euthanasia is murder.
I contend that humans have no contractual obligations to animals.
First, animals have no language to formulate contracts within their own communities, let alone ours. Animals have repeatedly been proven to be incapable of symbolic communication, which is necessary to convey the importance of a given contract and willingly accept it. Even apes who are apparently able to use sign language only do so as a form of repetition, acting instinctively to do what will best achieve immediate reward, which is insufficient to formulate contracts.
Second, contracts must be based on mutual benefit. Gauthier 2:
This excludes animals for 3 reasons:
Now, let's go to pro's arguments.
== Rebuttals ==
A lot of it is him just clarifying on specifics to his position (people on welfare shouldn't own pets, no one with a history of animal abuse should own pets, etc.), so I won't touch on that since it's relevance to the debate at hand is minimal: we're talking about all animals here, not just household pets.
The one statement he does make is that "Animals deserve basic rights afterall we give them to so called humans.". The problem is that rights aren't distributed like that. Rights aren't distributed by a state of identity, i.e. we're human so we get rights, you're animals so you get rights, etc., but rather they're distributed on our ability to grasp ethical premises. Cohen :
== Conclusion ==
To conclude, I've established a very clear case for why animals ought not have rights, and responded to my opponent's claims as to why they deserve rights. The ballot is a clear negative vote.
== Sources ==
 J. L. Mackie [John Leslie Mackie (1917-1981) was a philosopher, originally from Sydney, Australia. From 1967 until his death, he was a fellow of University College, Oxford. He was in 1974 elected a fellow of the British Academy.], “Ethics: Inventing Right and Wrong” The Subjectivity of Values.
 Gauthier, David P. Morals by Agreement. Oxford: Clarendon, 1986. Print.
 Cohen, Carl. "The Case for the Use of Animals in Biomedical Research", New England Journal of Medicine, vol. 315, issue 14, October 1986, pp. 865–870.
TheRaceTo9K forfeited this round.
Humans do not only have a social obligation to all humans, they have an obligation to every living thing on this planet. Every animal has a right to be here. If they did not, they would never have been here in the first place. Social contracts include responsibility to the earth itself and every living thing on this planet. No, I did not look up that theory, it is one that any humane, intelligent person would accept. If you had ever studied ethics you would understand that there are universal ethics. These are ideas that almost everyone on the planet would accept as being right. I am not a religious person so I am not basing my views on any religion. But, lets face it, if I went on youTube and proclaimed my parrot as the next savior because he talks at least 5 million people would convert to Parroticism.
Animals have rights because they are living things. They feel love, they feel pain, they feel happiness, and depression. We have counted on animals for our very existence for centuries. Where would George Washington and the first U.S. Army have been without horses, let alone farmers, mail carriers, merchants, etc? I also have to point out that imperative research has been done using animals. I am a scientist, I don't participate in it but it has contributed to the health and welfare of mankind.
You have no right to determine what species should have rights or not. You have borrowed your theories from people that have no other qualifications than that they once lived and someone put their ideas in a textbook or on the internet. One more thing to point out, serial killers usually agree with your ideas. In most cases the abuse of animals has been noted in the early life of a serial killer.
TheRaceTo9K forfeited this round.
CitizenL forfeited this round.
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