Ethical Ontology
Ethical ontology is the ontology of structures disclosed through answerable inhabitation. The name does not mean that ethics grounds being, nor that all being is answerable. It is taken from the older sense of ēthos: the dwelling. What there is, in this programme, is articulated from within the inhabited common — greeting, address, expectation, care, recognition, grief — and never from a spectator's position outside it.
The programme begins from a double recognition, developed in its founding statement, Positive No-Ground. The first: everything a person is and does is constituted through the common — the inherited field of shared intelligibility and transmission. Nothing in me that answers was made by me. The second: the common, which constitutes everything, finally answers for nothing. One can indict the age; the age will never take the stand. Between these two recognitions lies the programme's founding doctrine:
Positive no-ground: constitution without absolution. The common makes action possible without becoming the final answerer for its situated enactments.
No-ground is not the absence of ontological form; it is the refusal to make form depend upon an underlying ground. And what remains when the ground is refused is not chaos but a precise positive structure: the finite locus — the place where address, standing, and an attributable deed converge, and where substitution runs out. A ground bears from beneath; a locus receives from before. Being-with gives us a world by allowing substitution; address gives us persons by disclosing where substitution ends.
The categorial result
From this doctrine the programme derives its first categorial result: a positive ontological determination of the who that requires no metaphysical ground. It is stated in two sentences, because one will not do.
Ownness is the differentia of who: the whole modal coincidence obtains as someone rather than merely something.
The category who articulates this ownness; it neither produces nor confers it.
The second sentence blocks the reading that would undo the first. The category does not make anyone a someone. It articulates what the trials place under pressure, and it can be wrong.
Not every deictically singular obtaining is a who. Three things are distinguished and must not be run together:
Thisness singles out the occurrence; ownness discloses someone; locus localises this answer.
The who, then, is not a substance, not a bearer of properties, not a bundle, not a narrative, not a public identity, and not a hidden object behind a life. It is the coincidence of a manner and its obtaining as this one — modal coincidence, developed in Ethical Ontology, Volume I and stated formally in The Calculus of Modal Coincidence, with a grammar that gives what follows from the determination, what may not be inferred from it, and the mode of access by which a who is genuinely disclosed: a founded categorial fulfilment, public, fallible, and never exhaustive.
What the differentia decides
Within ownness, the character doing the categorial work is non-vicariousness: this own obtaining cannot be undergone in another's place. That single character settles the shape of the whole ontology, and settles it three times over.
It cuts the category — some obtainings are non-vicarious and some are not — and cuts without ranking. The who is distinguished from other ways of being, not elevated above them.
It forbids a primary who. A focal instance would be one whose whoness is the sense of which the others are said, and to be the sense of which another is said is to stand in that other's place. The plurality of whos is therefore dispersed by construction: many, none primary, none exemplary, no paradigm case against which the rest are measured.
It forbids the category itself becoming the focus. The who does not organise the other ways of being toward itself. It is a hinge, not a summit: it turns what meets in it, and commands nothing.
So the ontology is plural, regional, dispersed and situated, and it operates without a pros hen — without the focal reference by which, since Aristotle, the many senses of being have been held toward one, with substance primary and the rest referred to it. Whether that device ever delivered the unity it promised has been contested at least since Aubenque. This programme neither repairs it nor replaces it: it has no focal term, and needs no rule against having one, because the differentia already excludes it. Not a further commitment — a consequence.
Three coordinates, and one claim
The resulting position occupies three coordinates. It is post-metaphysical by genealogy: it would not have been reached without the metaphysical tradition and its critiques. It is pre-metaphysical by structural position: it articulates the obtaining prior to the decision to secure it through a bearer or ground. It is a-metaphysical by constitution: its categories require neither metaphysics nor the negation of metaphysics. Metaphysics is a condition of the theory's discovery, not a condition of its truth.
So far as the programme's own searches show, this is the first positively articulated a-metaphysical ontology.
Post-metaphysical thought has never been able to argue without metaphysics as its referent. Its characteristic operations are operations on the metaphysical principle — deconstructing it, weakening it, relativising it, functionalising it, historicising it, deposing it — and the principle survives as the term the theory needs in order to say what it says. Différance needs presence. Weak thought needs the strong principle it weakens. Anarchy needs the archē whose absence it names. And where a positive ontology has been built after the critique, it has been built on something installed: a void, a withdrawn substance, an ultimate occasion.
Here the principle is neither modified nor required. The categories are reached from the regions, and not one of them is a metaphysical principle in any state. That is what the third coordinate means: metaphysics is a condition of this theory's discovery, not a condition of its statement. Remove the tradition and the vocabulary of the critiques loses its sense; remove it here and nothing changes, because the regions are still there and they still do not need it.
The claim is narrow, and the programme states what would defeat it: a text in which non-vicariousness is reached ontologically — as the differentia of a category of being, rather than as an ethical demand, a phenomenological description, or a logical primitive — would end it outright. The refusal of a focal term is likewise tested rather than asserted: Positive No-Ground states what an organising centre does — it commands, authorises, organises a field toward itself, and receives what is forwarded to it — then applies the test reflexively to its own retentions and prints the result. An ontology that refuses a ground and quietly installs a focus has done the thing it forbade.
The work is developed across five books and a growing series of articles.
- Books From the Phenomenology of Being-With (Koinonia, No Ground, The Locus) through Positive No-Ground, the founding statement, to Ethical Ontology, Volume I: The Modal Coincidence.
- Articles Beginning with The Calculus of Modal Coincidence: The Grammar of A-Metaphysical Ontology (2026), the complete formal statement of the theory. DOI: 10.5281/zenodo.21497200.
- Start here A suggested path through the work.
- The Path How the programme was reached: from a greeting on a morning walk to a formal ontology, across five books and a second line of work on language and machines.
- The Institute The Institute for Ethical Ontology, being established in Larnaca, Cyprus.
Ethical Ontology is a research programme by Alessio Montaruli (ORCID 0009-0008-5435-3692).