Killing is wrong however is a statement without truth value as long one does not specify what wrong means.
You seem to be assuming that moral philosophy has to work in a maths-like way, where you start from definitions and axioms. But a lot of people like to start from beliefs about what sort of things are widely believed to be good and bad, and work back from the examples to general principles.
You seem to be assuming that moral philosophy has to work in a maths-like way, where you start from definitions and axioms. But a lot of people like to start from beliefs about what sort of things are widely believed to be good and bad, and work back from the examples to general principles.
That’s true, but is that also your opinion?