We will have our **reception** at 5:30 pm, then a **business
meeting** at 6:00 pm, followed by the **guest lecture** at 6:15 pm.

**Description:**
This session invites talks on any topic in the philosophy of
mathematics. Our special theme this year is "Do Choices of
Mathematical Notation (and Similar Choices) Affect the
Development of Mathematical Concepts?" Once mathematical
concepts have gelled, they tend to feel "natural" to
mathematicians. But in the process of exploring and developing
new concepts, mathematicians make choices, including of notation
and terminology, that affect how the nascent concept solidifies. For example, to what extent does our decimal notation
affect our understanding of numbers? Are there concepts and
mathematical practices that can be understood in one notational
framework and not in another? This session invites talks that look at
this process, and the philosophical implications of the effect of our
choice of mathematical notations on the development of mathematical
concepts. Talks on the special theme will be given highest priority,
but all talks on the philosophy of mathematics are welcome.

The deadline for submission of abstracts is September 25, 2018.

POMSIGMAA sponsored our first ever invited paper session at the 2012 AMS/MAA Joint Meeting in Boston. The speakers were **Arthur
Jaffe** at Harvard University on "Is Mathematics the Language of Physics" and **Charles Parsons** at Harvard University on "Structuralism and its Discontents", **Jody
Azzouni** at Tufts University on "The Relationship of Derivations in Artificial
Languages to Ordinary Rigorous Mathematical Proof", **Juliet Floyd** at
Boston University on "Turing and Wittgenstein", **Agustin Rayo** at MIT on "A Trivialist Account of Mathematics" and **Stephen Yablo**
at MIT on "Explanation and Existence."

POMSIGMAA has sponsored contributed paper sessions at

the 2003 AMS/MAA Joint Meeting in Baltimore,

the 2004 AMS/MAA Joint Meeting in Phoenix,

the 2005 AMS/MAA Joint Meeting in Atlanta,

the 2006 AMS/MAA Joint Meeting in San Antonio,

the 2007 AMS/MAA Joint Meeting in New Orleans,

the 2008 AMS/MAA Joint Meeting in San Diego,

MathFest 2009 in Portland, OR, jointly with HOMSIGMAA, "The History of Mathematics and its Philosophy, and Their Uses in the Classroom",

the 2010 AMS/MAA Joint Meeting in San Francisco, "Philosophy of Mathematics for Working Mathematicians,"

the 2011 AMS/MAA Joint Meeting in New Orleans, "Philosophy of Mathematics in Teaching and Learning,"

the 2012 AMS/MAA Joint Meeting in Boston, "Philosophy of Mathematics and Mathematical Practice."

the 2013 AMS/MAA Joint Meeting in San Diego, "Philosophy, Mathematics, and Progress."

the 2013 MathFest, in conjunction with CSHPM and HOMSIGMAA, daily sessions on history of mathematics and philosophy of mathematics, and one session on the Interactions Between the History and Philosophy of Mathematics.

the 2014 AMS/MAA Joint Meeting in Baltimore, "Is mathematics the Language of Science?"

the 2015 AMS/MAA Joint Meeting in San Antonio, "Discovery and Insight in Mathematics."

the 2016 AMS/MAA Joint Meeting in Seattle, "Using Philosophy to Teach Mathematics."

the 2017 AMS/MAA Joint Meeting in Atlanta, "Do Mathematicians Really Need Philosophy?"

the 2018 AMS/MAA Joint Meeting in San Diego, "Philosophy of Mathematics as Actually Practiced"

** Full list of all these sessions
with their abstracts**

At 2018 AMS/MAA Joint Meetings in San Diego, CA, January 10 - 13, Professor Rafael Núñez, of UCSD gave the POMSIGMAA Invited Address, "Philosophy of Mathematics in the 21st Century: Why does it need the Sciences of the Mind?" Abstract

At MathFest 2017 in Chicago, IL, July 26 - 29, John Baldwin, Emeritus Professor at the University of Illinois at Chicago, gave the POMSIGMAA Invited Address, "Philosophical implications of the paradigm shift in model theory."

At 2017 AMS/MAA Joint Meetings in Atlanta, GA, January 4 - 7, Jeff Buechner, of the philosophy department at Rutgers University Newark and the Saul Kripke Center, CUNY Graduate Center, gave the POMSIGMAA Invited Address, "Computers, mathematical proof, and the nature of the human mind: a surprising connection." Slides available in long or short version: long(pdf) short(pdf)

At MathFest 2016 in Washington, DC, August 3 - 6, Stewart Shapiro, of Ohio State University, gave the POMSIGMAA Invited Address, "Potential infinity: a modal account." Full text (pdf)

At the 2016 AMS/MAA Joint Meetings in Seattle, WA, January 6 - 9, Bonnie Gold, of Monmouth University, gave the POMSIGMAA Invited Address, "Is School Mathematics 'Real' Mathematics?" Full text (pdf)

At MathFest 2015 in Washington, DC, August 5 - 8, John Burgess, of Princeton University, gave the POMSIGMAA Invited Address, "What are mathematical objects, and who cares?"

At the 2015 AMS/MAA Joint Meetings in San Antonio, TX, January 10 - 13, Matt Jones, of California State University Dominguez Hills, gave the POMSIGMAA Invited Address, "Mathematical Authority and Inquiry-Based Learning."

At MathFest 2014 in Portland, OR, August 6 - 9, Paul Zorn of St. Olaf College gave the POMSIGMAA Invited Address, “Math-Speak: Syntax, Semantics, and Pragmatics.”

At the 2014 AMS/MAA Joint Meetings in Baltimore, MD, January 15 - 18, Steve Gimbel of Gettysburg College gave the POMSIGMAA Invited Address, "Hermann Minkowski – The Quiet Genius."

At MathFest 2013 in Hartford, CT July 31 - August 3, the MAA met jointly with the Canadian Society for the History and Philosphy of Mathematics. POMSIGMAA cosponsored contributed paper sessions running throughout the meeting, as well as a plenary talk (the Kenneth O. May Lecture) on Saturday, August 3 by Jeremy Gray, of the University of Warwick and the Open University, on "Henri Poincaré: Mathematician, Physicist, Philosopher."

At the 2013 AMS/MAA Joint Meetings in San Diego, CA, January 9 - 12, Mark Balaguer of California State University, Los Angeles, gave the POMSIGMAA invited address “A Guide for the Perplexed: What Mathematicians Need to Know to Understand Philosophers of Mathematics.” Full text (pdf) Handout (pdf)

At MathFest 2012 in Madison, WI August 2 - 4, Janet Follina, of Macalester College, gave the POMSIGMAA invited address, "Is the Proof in the Picture? Seeing, Believing, and Provings."

At the 2012 AMS/MAA Joint Meeting in Boston, MA, January 4 - 7, Barry Mazur of Harvard University gave the POMSIGMAA invited address, "Why is it plausible?" Full text (pdf) Slides (pdf)

At **MathFest
2011 in Lexington, KY, **August 4 - 6,** ****Neil
Tennant**, of the Department of Philosophy of The Ohio State
University gave the POMSIGMAA invited address, ** "Natural
Logicism for Mathematics.**" Full text
(pdf)

At the** 2011
AMS/MAA Joint Meeting in New Orleans, LA,** January 6 - 9,
**Keith Devlin** of the Center for the Study of Language
and Information at Stanford University gave the invited
address, "Will the real
philosophy of mathematics please stand up?"

At **MathFest
2010 in Pittsburgh, PA, August 5 - 7**, Wilfried Sieg, of
Carnegie Mellon University, gave the POMSIGMAA invited
address, "Structural Proof Theory:
Uncovering capacities of the mathematical mind." Full text (pdf)
PowerPoint slides

At the** 2010 AMS/MAA Joint Meeting in San Francisco, CA,**
January 13 - 16, **Charles Chihara** (Philosophy Department,
University of California at Berkeley) gave the invited POMSIGMAA
address, "What is Philosophy of Mathematics? A Case Study of
Fictionalism."

At** MathFest, August 6-8, 2009 in Portland, OR,** POMSIGMAA
held a **Reception and Moderated Discussion** led by Martin
Flashman, Humboldt State University, Past-Chair POM SIGMAA, on
"T**he Role of The Philosophy of Mathematics in Teaching and
Learning.**"

At the** 2009 AMS/MAA Joint Meeting in Washington, DC,
Chandler Davis ** (University of Toronto) gave an invited
address, jointly sponsored by HOMSIGMAA (the SIGMAA for the
History of Mathematics), "The Role of the Untrue in
Mathematics". It will be published in the *Mathematical
Intelligencer*; a preliminary
version is available here as a Word document, but it is
copyrighted by the *Mathematical Intelligencer*, all
rights reserved. At that meeting, there was also a panel
jointly with HOMSIGMAA (the History of Mathematics SIGMAA),
"The Intersection of the History and Philosophy of
Mathematics" with panelists Thomas Drucker (University of
Wisconsin-Whitewater, current POMSIGMAA treasurer), Kenneth
Manders (University of Pittsburgh) and Daniel Sloughter** **(Furman
University).

**At MathFest 2008, in Madison, WI, Morris W. Hirsch**
(University of Wisconsin) gave an invited POMSIGMAA address, "Mathematics: the divine madness."

**At the 2008 AMS/MAA Joint Meeting in San Diego, **Penelope Maddy, of the Department of
Logic and Philosophy of Science of the University of California
at Irvine, gave an invited address at the POMSIGMAA session,
"How applied mathematics became pure." Charter changes were approved at
the business part of this session. Our 2007-2009
Chairperson, Martin Flashman also gave a minicourse, "Teaching
and the Philosophy of Mahtematics," at these joint meetings.

**At Mathfest 2007, in San Jose**, Michael Beeson, of San
Jose State University, gave an invited address at the POMSIGMAA
session, "The meaning of existence in mathematics."

**At the 2007 AMS/MAA Joint Meeting in New Orleans,**
Klaus Peters, of AK Peters LTD, gave an invited address at the
POMSIGMAA session, "Does a proof exist if nobody has read it?"

**At Mathfest 2006, in Knoxville, TN**, Michael Resnik, of
the University of North Carolina, Chapel Hill, gave an invited
address at the POMSIGMAA session, "Some Problems and Solutions
in Contemporary Philosophy of Mathematics."

**At the 2006 AMS/MAA Joint Meeting in San Antonio,** Paul
Humphreys, of the University of Virginia, gave an invited
address on "Pure and Applied Computational Mathematics: Some
Philosophical Morals".

**At MathFest 2005 in Albuquerque, NM,** Reuben Hersh gave
an invited address, "Subversive essays on the nature of
mathematics".

**At the 2005 AMS/MAA Joint Meeting in Atlanta, **Jonathan
Borwein, of Dalhousie University, gave an invited address,
"Philosophical Implications of Experimental Mathematics"

**At MathFest 2004 in Providence, RI,** Philip Davis, of
Brown University, gave an invited address sponsored by POM
SIGMAA. Professor Davis was introduced by Roger Simons
(Chair-elect) and his talk was entitled "The Decline, Fall, and
Current Resurgence of Visual Geometry." It was followed by a
brief POM SIGMAA business meeting led by POM SIGMAA Chairperson,
Bonnie Gold.

**At the MathFest 2003 in Boulder, CO** there was an
80 minutes open discussion involving approximately 25 people, on
the topic, "What is Mathematics?" Bonnie Gold moderated
this discussion and it included representatives of most of the
modern points of view: social constructivism, formalism,
versions of platonism. The discussion ebbed and flowed,
sometimes being fairly carefully focused, sometimes wandering a
bit off the topic.