Work #1687

On Nature (fragments)

Anaximander's c. 6th-century BCE treatise on the apeiron as cosmic origin — the first Greek philosophical prose work, surviving only in a single fragment and later reports

Anaximander of Miletus · c. 6th century BCE · Ancient Greek · Philosophical prose treatise (fragments)

Tradition: Pre-Socratic natural philosophy / Milesian school

The apeiron as origin of all things — the first Greek prose treatise on nature, with its single surviving fragment on cosmic justice

Anaximander's On Nature (Peri Physeōs) is traditionally regarded as the first Greek philosophical prose treatise. Only one direct fragment survives: "Things perish into those things from which they have their being, as is right and due; for they pay penalty and retribution to each other for their injustice according to the assessment of time" (Fr. B1, preserved by Simplicius via Theophrastus). The rest of his thought is known through doxographic reports: the apeiron (boundless/indefinite) as the arche from which all determinate opposites emerge; the earth as a cylinder floating unsupported at the centre of the cosmos; a proto-evolutionary account of the origin of living things from the moist element; and the first attempt at a map of the known world.

Author

Anaximander of Miletus

Editions cited

Diels-Kranz, Die Fragmente der Vorsokratiker, vol. 1, ch. 12 (Anaximander); Kirk-Raven-Schofield, The Presocratic Philosophers, ch. 3 (Cambridge, 2nd edn., 1983); Charles H. Kahn, Anaximander and the Origins of Greek Cosmology (Columbia UP, 1960; repr. Hackett, 1994)

Compare this work

School Embodiments

Naturalism · 30%

Classical Greek Thought · 25%

Materialism (Philosophical) · 15%

Process Philosophy · 10%

Realism · 10%

Rationalism · 10%

Naturalism 30%

Naturalist cosmology: the cosmos arises from the apeiron through natural separation, not myth.

"Things perish into those things from which they have their being, as is right and due." (Anaximander, Fr. B1)

Classical Greek Thought 25%

The first Greek prose philosophical treatise; foundational for the entire tradition.

"Anaximander said the principle and element of things is the apeiron." (Theophrastus, in Simplicius)

Materialism (Philosophical) 15%

The apeiron, though indefinite, is a physical-cosmological principle; the explanation excludes supernatural agency.

"The boundless has no beginning... but is the beginning of other things." (Aristotle, Physics 203b)

Process Philosophy 10%

Emergence and dissolution from the apeiron as an ongoing cosmic process.

"They pay penalty and retribution to each other for their injustice according to the assessment of time." (Fr. B1)

Realism 10%

Realist: there is an objective cosmic order governed by necessity and justice.

"The earth stays at rest because of its equal distance from everything." (Hippolytus, Refutation I.6.3)

Rationalism 10%

Rational argument and geometrical analogy (the earth held by symmetry) rather than empirical observation alone.

"The earth is held by nothing, but stays in place because of its similar distance from all things." (Hippolytus)

Internal Tensions

The nature of the apeiron (spatially infinite? qualitatively indefinite? both?) remains debated; the cosmic-justice fragment invites both physical and moral readings.

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I. Time

Eternal: the apeiron is "ageless"; worlds arise and dissolve over infinite time.

Attributes

Extent: Infinite Ontological Status: Substantival Grain: Continuous Freedom: Deterministic Traversability: Linear Direction: Uni-directional Dimensionality: One

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II. Space

Infinite: the apeiron extends without limit; the first scale model of the cosmos.

Attributes

Extent: Infinite Ontological Status: Substantival Curvature: not engaged Dimensionality: Three Locality: not engaged

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III. Matter

The apeiron is the inexhaustible material source; what emerges returns.

Attributes

Extent: Infinite Ontological Status: Substantival Conservation: Conserved Dimensionality: Three Locality: not engaged

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IV. Observer

Rational inquirer using geometrical analogy and proto-scientific reasoning.

Attributes

Time Instance: Single Space Instance: Single Knowledge Extent: Mediated Knowledge Retainment: Partial Physicality: Embodied Agency: Active Number: Plural Metaphysical Agency: None

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V. Energy

The separating-out of opposites from the apeiron implies energetic processes.

Attributes

Extent: Infinite Ontological Status: Substantival Conservation: Conserved Dispersibility: Irreversible

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VI. Information

Single surviving fragment; the rest is doxographic reconstruction.

Attributes

Ontological Status: Substantival Cosmic Conservation: Conserved Personal Conservation: Non-conserved Granularity: not engaged

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Anaximander of Miletus

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Philosophy of Science