Quantity, Extension, and Infinity in the 13th and 14th Centuries
Monday June 5
Seminar room (2318), Eastern Campus
9:30–10:00 –Welcome and opening remarks
10:00–11:30 – Quantity, Matter and Bodies
Chair: Cecilia Trifogli
Expanding quantity: Robert Grosseteste on the bodily form
Nicola Polloni (KU Leuven)
The unity of matter, extension and potentiality in late thirteenth century natural philosophy
José Filipe Silva (University of Helsinki)
11:30–11:45 – Coffee break
11:45–13:15 – Metaphysics, Quantification, and Duality
Chair: Nicola Polloni
Numbers and diagrams: Shao Yong (1012–1077) and his legacy in 11th–13th century China
Sophia Katz (Tel Hai College)
The substance and function (ti-yong) formula and Aristotle’s hylomorphic model
Gad C. Isay (Tel Hai College)
13:15–14:15 – Lunch break
14:15–15:45 – Continuity, Quantity, and the Aristotelian Categories
Chair: Ruizhi Ma
Fakhr al-Din al-Razi on the category of quantity
Ahmed Igbariah (Tel Aviv University)
Continuity, limits, and quantity in Al-Farabi’s paraphrase of Aristotle’s Categories and its Citations in Samuel Ibn Tibbon’s Explanation of Foreign Terms
Yehuda Halper (Bar Ilan University)
15:45–16:00 – Coffee break
16:00–17:30 – God’s Unity and Infinity
Chair: Yael Kedar
From Horror vacui to amor infini: The context and function of ornamentation considering the notions – void, infinity, and the place of God
Danielle Omesi Moisa (Tel Aviv University)
Measures in the Lucca Codex: Following instructions and making mistakes
Yael Barash (Tel Aviv University)
Tuesday June 6
“Agur” Conference room in the Hula Lake Park
10:00–11:30 – Infinity and Infinities
Chair: Clelia Crialesi
Actual infinities of different kinds in Richard Kilvington’s philosophical and theological texts
Robert Podkoński (University of Łódź)
Quantity and infinity in Jacques Legrand’s Compendium utriusque philosophie: A late nominalist approach to Aristotle
Daniel A. Di Liscia (LMU Munich)
11:30–12:15 – A visit to the Agamon wildlife rehabilitation center. Guide: Dr. Rona Nadler-Valensi
12:15–12:30 – Coffee break
12:30–14:00 – Measuring Forms
Chair: Daniel Di Liscia
Richard Kilvington’s concept of measuring the qualitative changes by the latitude of forms
Elżbietą Jung (University of Łódź)
From the measure of qualities to the quantification of metaphysical essences. On some 14th-century applications of limit decision problems to the perfection of species
Sylvain Roudaut (Stockholm University)
14:00–15:00 – Lunch break
15:00–16:30 – Nature and Minimal Parts
Chair: Sophia Katz
John Buridan and the piecemeal view of substantial change
Roberto Zambiasi (University of Torino)
Nicholas d’Autrécourt on atoms, minima and indivisibles
Aurélien Robert (CNRS, Université de Paris)
16:30–16:45 – Coffee break
16:45–18:15 – All the Time in the World
Chair: Roberto Zambiasi
Crescas’ conception of infinite magnitudes
Avishay Gallili (Tel Hai College)
Does the aevum have parts? Some 13th-century reflections on the simplicity of eviternity
Dominic Dold (University of Notre Dame) On zoom.
Wednesday June 7
Seminar room (2318), Eastern Campus
9:30–11:00 – Philosophical and Theological Aspects of Quantity
Chair: Sylvain Roudaut
William of Ockham on the ontological status of quantity
Cecilia Trifogli (Oxford University)
Quantity, place, and perception in 13th-century Eucharistic debates
Julia Reed (Bar Ilan University)
11:00–11:45 – A visit to the historical cartography collection. Guided by: Shalom Termechy
11:45–12:00 – Coffee break
12:00–13:30 – Round Table Discussion
Chairs: Nicola Polloni and Yael Kedar
History – philosophy – science: Disciplinary and methodological intertwining
13:30–14:30 – Lunch break
14:30–16:00 – Geometrical Objects in Continuous Space
Chair: Elżbietą Jung
Gregory of Rimini on infinite extended quantities
Clelia Crialesi (KU Leuven)
An impossible synthesis: Geometrical atomism vs. the continuity of matter, Roger Bacon’s solution
Yael Kedar (Tel Hai College)
16:00–16:15 Coffee break
16:15–17:45 – Color and the Perception of Quantities
Chair: Giora Hon
How big is a red square? Two ways of accounting for the perception of quantities in the thirteenth century
Elena Baltuta (Tel Hai College)
Unquantifiable color power and discontinuous color order in Avicenna and Naṣīr al-Dīn al-Ṭūsī
Ruizhi Ma (Humboldt University, Berlin)