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Work #515 · Late

Isagoge (Introduction to Aristotle's Categories)

Porphyry of Tyre
c. 270 · Koine Greek
Logical-philosophical treatise · Neoplatonism / Aristotelian commentary

Porphyry's c. 270 introduction to Aristotelian logic — foundational late-antique and medieval philosophical text

Attribute Fingerprint

Rows where works disagree are highlighted in gold. The full ontology grid is shown.

Attribute Isagoge (Introduction to Aristotle's Categories) (Late)
Time · Extent Infinite
Time · Ontological Status Substantival
Time · Grain Continuous
Time · Freedom Non-Deterministic
Time · Traversability Linear
Time · Dimensionality One
Time · Direction Uni-directional
Space · Extent Infinite
Space · Ontological Status Substantival
Space · Curvature Flat
Space · Dimensionality Three
Space · Locality Local
Matter · Extent Infinite
Matter · Ontological Status Substantival
Matter · Conservation Conserved
Matter · Dimensionality Three
Matter · Locality Local
Observer · Time Instance Single
Observer · Space Instance Single
Observer · Knowledge Extent Partial
Observer · Knowledge Retainment Total
Observer · Physicality Embodied
Observer · Agency Both
Observer · Number Plural
Observer · Metaphysical Agency None
Observer · Moral Authority Reason
Observer · Theological Method
Energy · Extent Infinite
Energy · Ontological Status Substantival
Energy · Conservation Conserved
Energy · Dispersibility Irreversible
Information · Ontological Status Substantival
Information · Cosmic Conservation Conserved
Information · Personal Conservation Conserved
Information · Granularity Continuous

Dimension-by-Dimension Evidence

What each work's passages reveal about its stance on each of the six dimensions.

Time

Isagoge (Introduction to Aristotle's Categories)

The logical-categorical analysis time.

Space

Isagoge (Introduction to Aristotle's Categories)

The categorical-logical space of predicables.

Matter

Isagoge (Introduction to Aristotle's Categories)

Substance and the categorical predicables.

Observer

Isagoge (Introduction to Aristotle's Categories)

The logical-analytic philosopher.

Energy

Isagoge (Introduction to Aristotle's Categories)

Energies of categorical analysis.

Information

Isagoge (Introduction to Aristotle's Categories)

Foundational logical-introductory framework.

Internal Tensions

Where each work's argument pulls against itself.

Isagoge (Introduction to Aristotle's Categories)

Porphyry's question about universals set the agenda for the medieval realism-nominalism debate.