Summary — Apollonius’s Six Analytic Treatises in Pappus VII

Treatise

Books

Survival / Restoration

Core Geometric Problem & GEOMETOR Link

Cutting Off of a Ratio (De Sectione Rationis)

2

Extant in Arabic (Halley 1706)

Line through O cutting given ratio on two fixed lines (pappus)

Cutting Off of an Area (De Sectione Spatii)

2

Pappus VII lemmas; restored Halley 1706

Line through O cutting given rectangle on two fixed lines (pappus)

Determinate Section (De Sectione Determinata)

2

Pappus VII (66 lemmas); Snell / Simson

1D cross-ratio / involution (pappus)

Tangencies (De Tactionibus, epaphai)

2

Pappus VII; Viète 1600

10 contact cases PPP–CCC (up to 8 tangent circles); ETC X(181)

Inclinations (De Inclinationibus, neusis)

2

Pappus VII; Ghetaldi / Horsley

Plane-constructible verging insertions (rhombus, semicircle, two lines)

Plane Loci (Loca Plana)

2

Pappus VII; Fermat (1636) / Simson (1749)

Circle of Apollonius (); ETC X(15), X(16)