But Ling only chuckled, agreeing with the dolphins who had recently joined the onboard community, and who clearly considered this whole metaphysical argument ridiculous.

That's a metaphysical argument, not a physical argument.

His sermons were clear, vigorous expositions of a moderate Calvinism, in which metaphysical argument and practical morality are happily blended.

Specifically, they claim that Sartre makes metaphysical arguments despite his claiming that his philosophical views ignore metaphysics.

If you do not now point out a flaw in my definition, you are disqualified later on from advancing metaphysical arguments.

He dismisses metaphysical arguments, calling them nonsense, and saying that they cannot be empirically verified.

The second part of the book is taken up with a number of metaphysical arguments to prove the impossibility of an external world.

That's a metaphysical argument, not a physical argument, Ford typed.

Moral order is the name given to Immanuel Kant's rendering of the metaphysical argument from morality.

I have no wish to enter into a metaphysical argument with you.