June 2009

June 2009

2nd JUNE 2009 : 5:30 pm IHPST Seminar on Philosophy of Logic and Mathematics

Paolo MANCOSU (Berkeley) Measuring the Size of Infinite Collections (of Natural Numbers) :

How Inevitable was Cantor’s Theory of Transfinite Numbers ?

 

ONTOLOGICAL SHIFTS IN GEOMETRY

4th – 6th JUNE 2009 : An International Colloquium entitled “ONTOLOGICAL SHIFTS IN GEOMETRY”  Took place under the joint auspices of The Ideals of Proof Program and REHSEIS in The Seminar Room at Universite Paris 7

 

4th – 6th JUNE 2009 : IP/REHSEIS Joint Conference (Universite Paris VII)

ONTOLOGICAL SHIFTS IN GEOMETRY

4th June 2009 Day 1 of Conference on Ontological Shifts in Geometry

(Talk 1 : Introductory Address by Marco PANZA followed by Talk 2 : JOHN MUMMA : Relations in Geometrical Figures versus relations in Geometric Spaces)

Click here for link to recording of Marco PANZA’s Opening Address and John MUMMA’s Talk : Track 27 : 1 hour 49 minutes 07 seconds

Talk 3 :  Richard PETTIGREW : Aristotle and Lawvere on the Ontology of Geometry

Click here for link to recording of Richard PETTIGREW’s Talk  :  Track 28 : 1 hour 18 minutes 06 seconds

Talk 4  :   (4th June PM) : Ken MANDERS : Poncelet’s Uniform Treatment of Euclidean Geometry

Click here for link to recording of Ken MANDERS  Talk :  Track 29 : 1 hour 15 minutes 54 seconds

Talk 5   by Sabetai UNGURU (Tel Aviv) :  The 4-line locus in Apollonius’s Conics : Geometry and Algebra

Click here for link to recording of Sebatai UNGURU’s Talk :  Track 30 : 1 Hour 18 minutes 32 seconds

Talk  5  :   Victor PAMBUCCIAN :  Existence and Constructions in Axiomatic (1st Order) Geometry

Click here for link to recording of Victor PAMBUCCIAN’s Talk  : Track 31 : 1 hour 17 minutes 47 seconds

5th JUNE 2009 ; Day 2 of Conference on Ontological Shifts in Geometry

Talk 1 : Michael RESNIK :  on Structuralism and Geometry

Click here for link to recording of Michael RESNIK’s Talk

Talk 2 : Geoffrey HELMANN : Does Mathematical Geometry Need Ontology ?

Click here for link to recording of Geoffrey HELMANN’s Talk  :  Track 32 : 1 hour 23 minutes 22 seconds

Talk 3 : Jaako HINTIKKA : The Ontology of Geometry : Nominalistic, Set-Theoretic or Epistemic ?   Ontological Shifts in Logic and Geometry.

Click here for link to recording of Jaako HINTIKKA’s Talk.

Talk 4 : Mic DETLEFSEN : Construction, Figures and Proof

Click here for link to recording of Mic DETLEFSEN’s Talk

Talk 5 : Jan Van PLATO : The Point of Intuitionistic Geometry

Click here for link to recording of  Jan Van PLATO’s Talk :  Track 35 : 1 hour 00 minutes 27 seconds

June 6th 2009 Day 3 of Conference on Ontological Shifts in Geometry

Talk 1 : Paola CANTU : Did Grassmann’s Theory of Extensions (Extensive Quantities) produce an Ontological Shift in Geometry?

Click here for link to recording of Paola CANTU’s Talk : Track 36 : 1 hour 17 minutes 11 seconds

Talk 2: Mathieu HUSSONN : Do The Geometrical terms used in the Work of Dietrich of Freiburg’s “De Coloribus” refer to Geometrical Concepts in anything like a modern sense ?

Click here for link to recording of Mathieu HUSSON’s Talk :   Track 37 : 1 hour 12 minutes 33 seconds

Talk 3 : Carla Rita PALERMINO : Galileo on The Ontological Status of Mathematical Entities

Click here for link to recording of Carla Rita PALERMINO’s Talk :  Track 38 : 1 hour 31 minutes 42 seconds

Talk 4 : Sebastien MARONNE: Pascal and The Ontology of Infinite Objects in Geometry

Click here for link to recording of Sebastian MARONNE’s Talk.  Track 39 : 1 hour 14 minutes 25 seconds

  

8th JUNE 2009 LSE London : BSPS Presidential Address

Harvey BROWN : The Principle of Inertia from Aristotle to Einstein

 

10th June 2009 5.00 pm : Bristol University Philosophy Department Seminar

Seminar Talk by Igal KVART

Knowledge as Token Indicativity

 

Thursday 11th JUNE 2009 : Salle 207 Batiment L Paris Ouest (Nanterre) Seminar of Centre D’Histoire et de Philosophie des Sciences.

Speaker : Gregory LANDINI : TheNumber of Numbers : Is the Infinity of Natural Numbers a conclusion which follows from the conception/characterisation of numbers in terms of 1 to 1 correspondence relations ? (mf 0609)

 

15th JUNE 2009 : 5:15 PM  Sigma Club Meeting T 206 CPNSS Lakatos Building LSE

Prof. Tien Yu CAO (Boston) : Structural Realist Approaches to QFT : A Review 10 Years On

 

JUNE 15th 2009  :  REHSEIS Seminar in History and Philosophy of Mathematics

 1 Day Workshop on Nombres, Grandeurs, Quantites    (mfo609)

Nombres, grandeurs, quantités (Axe « Algorithmes, instruments, opérations, algèbre »)

Christine Proust (CNRS, REHSEIS)

Nombre, grandeur, quantité dans les mathématiques cunéiformes : ajouter des longueurs et des aires.

Bernard Vitrac (CNRS, Centre Louis Gernet)

La dualité “nombre / grandeur” dans les mathématiques grecques à l’époque impériale

(Ier-IVe s.).

Antoni Malet (Universitat Pompeu Fabra)

Nombre, grandeur, quantité chez Hobbes et Barrow

Josipa Petrunic (University of Edinburgh)

Quaternion engagements and terrains of knowledge (1858-1880) : A comparative social history of « number » in the works of Peter Guthrie Tait and William Kingdon Clifford

Chen Yifu (CNRS, REHSEIS)

Nombre et quantité dans la pratique des calculs à l’aide de l’abaque à Taiwan

Wednesday 17th June 2009    5:00 pm : College de France Talk 3 in Series of Invited Lectures by

Prof. Mik DETLEFSEN :  “Proof, Freedom and Creation in Mathematics”

 

 

18th-20th June 2009 :  June 2009 Montreal MAKKAIFEST :

Jean-Pierre MARQUIS Talk on

A Tribute to Michael Makkai : His Unifying Perspective and Philosophical Outlook of his Work in Mathematics

41 mins  11 seconds

June 25th and 26th 2009  : International Conference at Pont-Au-Mousson entitled

“The Imaginary, the Ideal and the Infinite in Mathematics.”

An Ideals of Proof Project  jointly sponsored  workshop with the TransCoop Project of the Alexander von Humboldt Stiftung

Speakers included Andrew Arana, Michael Detlefsen, Wilfrid Hodges, Paolo Mancosu, Felix Mühlhölzer, Karl-Georg Niebergall, Michael Potter, Matthias Schirn, Ivahn Smadja, Jamie Tappenden and Albert Visser.  The program is available here.  Location of Conference : Pont-A-Mousson

Recordings at PONT-A-MOUSSON MEETING Thursday 25th and Friday 26th June 2009

The Imaginary The ideal and The Infinite in Mathematics :

Thursday, June 25th

Session I

8h45-10h00    Felix MUHLOLZER Philosophisches Seminar, Georg-August Universität Göttingen.

Parsons on mathematical intuition and natural numbers

(missed opening of talk. Recorded last part plus discussions)

Click here for link to recording of F. MUHLHOLZER’s Talk  :  40 mins 06 seconds :

10h05-11h20    Ivahn SMADJA, Département d’Histoire et de Philosophie des
Sciences, Université Paris-Diderot (Paris 7)

The discrete and the singular: Some Kroneckerian ideas about arithmetization

Click here for link to recording of Ivahn SMADJA’s Talk.  Track 41  : 1 hr 07 mins 30 seconds

11h25-12h40  :  James TAPPENDEN, Department of Philosophy, University of Michigan

Branching at branch points: Interpretations of “Riemann surface” as a fork in the road to contemporary mathematics

Click here for link to recording of Jamie TAPPENDEN’s Talk :  Track 42   :  1 hr 23 mins 40 seconds

Session II
14h30-15h45  : Andrew ARANA, Department of Philosophy, Kansas State  :  Purity and the identity of problems

Click here for link to recording of Andrew ARANA’s Talk  : Track 43  : 1 hr 9 mins 16 seconds

15h50-17h05  : Mathias SHIRN, Seminar für Philosophie, Logik und Wissenschaftstheorie, Universität München

Frege’s philosophy of geometry

Click here for link to recording of Mathias SCHIRN’s Talk :   Track 44  : 1 hr 19 mins 38 seconds

17h10-18h25   Wilfrid HODGES, Herons Brook, Sticklepath, Okehampton, Devon EX20 2PY, England

The literal meanings of statements in mathematical textbooks

Click here for link to recording of Wilfrid HODGES  Talk :  Track 45 : 1 hr 12 mins 36 seconds

Day 2 of Conference : June 26th 2009

Session III

8h45-10h00  Paolo MANCOSU, Department of Philosophy, University of California at Berkeley

Measuring the size of infinite sets of integers: Was Cantor’s conception of infinite number inevitable?

Click here for link to recording of Paolo MANCOSU’s Talk  :  Track 46  : 1hr 24 mins 08 seconds

10h05-11h20   Karl-Georg NIEBERGALL, Institut für Philosophie, Humboldt Universität-Berlin

Assumptions of infinity in weak set theories and calculi of individuals

Click here for link to recording of Karl-Georg NIEBERGALL’s Talk :  Track 47  : 1 hr 03 mins 33 seconds

11h25-12h40  Albert VISSER, Department of Theoretical Philosophy, Universiteit
Utrecht   :  Relativization and thinking modulo:  How does it help us in theory reduction?

Click here for link to recording of Albert VISSER’s Talk : Track 48  : 1 hr 17 mins 02 seconds

Session IV

15h00-16h15   Michael POTTER, Faculty of Philosophy & Fitzwilliam College,
University of Cambridge :  Classes as ideal elements and limitation of size

Click here for link to recording of Michael POTTER’s Talk : Track 49  :  55 mins 32 seconds

16h20-17h35   Michael (Mic) DETLEFSEN, Department of Philosophy, University of Notre
Dame & ANR, France   :  Freedom and creativity in mathematics

Click here for link to recording of Mic DETLEFSEN’s Talk  :  Track 50  :  1 hr 22 mins 28 seconds