For example, if we just use the axiom of self ownership, which is each person owns their own body.
You can use this to answer a wide variety of questions about the moral underpinnings of slavery, women's rights, war drafts etc.
History has progressed in a way that this philosophy has been realized and acknowledged for the most part in the modern west.
So if you say to me, I think slavery is moral and you claim otherwise based on your philosophy which is just your opinion, that's not how logic works.
You can hold the view that slavery is moral, but you would be incorrect. There is no philosophy lightning bolt that will strike you down for holding irrational beliefs without logic basis, it just makes you ignorant.
"Anarchism is not a romantic fable but the hardheaded realization, based on five thousand years of experience, that we cannot entrust the management of our lives to kings, priests, politicians, generals, and county commissioners."