Metaphysics is any system presented as extra-historical abstract truth

Evidence

The author, however, falls headlong into dogmatism and therefore into a form, though a naive one, of metaphysics. This is clear from the beginning in the way in which the problem is situated and from the desire to construct a systematic “sociology” of the philosophy of praxis—sociology, in this case, meaning precisely naive metaphysics. … As far as the book is concerned, metaphysics means only a specific philosophical formulation, that of speculative idealism, rather than any systematic formulation that is put forward as an extra-historical truth, as an abstract universal outside of time and space. — Antonio Gramsci, Selections from the Prison Notebooks, 1552

Categorization

• DEFINE: Defines metaphysics for Gramsci not as speculative idealism specifically but as any truth-pretension placed outside of time and space — a definitional distinction the reader needs to follow the whole critique.
• XREF: connects to: Separating philosophy from history and politics reduces it to metaphysics — Antonio Gramsci, Selections from the Prison Notebooks, 1551