Charles B. Cross - Professor of Philosophy - University of Georgia
Department of Philosophy
Charles B. Cross
University of Pittsburgh (Ph.D.)
Office: Peabody 101A
Phone: (706) 542-2653
Department of Philosophy
290 South Jackson Street
University of Georgia
Athens, GA 30602-1627, USA
Office Hours, January 6 to May 2,
2014: Tuesdays 11:00am-noon, Wednesdays 2:00-3:00pm, and by
PHIL 2020H Logic and Critical Thinking (Honors), Spring 2014
- Meets TuTh 9:30-11:45am.
- An introduction to traditional and modern logic.
- In this course you will learn a series of techniques for classifying
and evaluating arguments and the statements from which they are constructed. We will cover a traditional method of evaluating arguments (syllogistic logic) as well as modern methods (Venn Diagrams, truth tables, and semantic tableaux).
- Required text: Daniel Bonevac, Simple Logic.
- No prerequisites.
PHIL(LING) 4520/6520 Model Theory, Spring 2014
Meets Wednesdays 9:05-11:50am.
A course in the semantic metatheory of classical sentential and
predicate logic. The course will be of interest to graduate and
advanced undergraduate students in philosophy, artificial
intelligence, linguistics, cognitive science, computer science, and
We will prove soundness, completeness, and related
results for classical sentential logic and predicate logic. We will
prove these results for the Fitch-style natural deduction systems of
sentential and predicate logic covered in PHIL(LING) 4510/6510.
Time permitting, we may cover an additional advanced topic in
No text (handouts only).
Written work will consist of weekly homework assignments and a
cumulative final exam.
For both graduates and undergraduates, the prerequisite is
PHIL(LING) 4510/6510 or equivalent preparation. If you have not taken
PHIL(LING)4510/6510, please check with me and I will be happy to talk
with you about whether your background is sufficient.
I work on issues at the intersection of metaphysics, epistemology,
and philosophical logic. I am especially interested in the logic and
semantics of conditionals and in the roles conditionals play in
metaphysical and epistemological issues. More recently I have become
interested in the metaphysics of particulars in the context of modality.
Each link provided below allows a paper to be
downloaded from the website of the relevant publisher. If you use one
of these links and the publisher's website does not recognize your
institution's online subscription, it may be necessary for you to
access the paper online via a different gateway. If you do not have
access to an online subscription, you are welcome to ask me for a
copy of the paper.
Abstracts (and additional links) for many of the journal articles
listed below can be found on
I have a Google Scholar profile.
My Erdös Number is 4.
- C. Cross and F. Roelofsen, "Questions", The Stanford Encyclopedia of Philosophy (Spring 2014 Edition), Edward N. Zalta (ed.), forthcoming URL = <http://plato.stanford.edu/archives/spr2014/entries/questions/>.
- C. Cross, "The Paradox of the Knower Without Epistemic Closure - Corrected," Mind 121: 457-466, 2012.
C. Cross, "Brute Facts, the Necessity of Identity, and the Identity of Indiscernibles," Pacific Philosophical Quarterly 92:1-10, 2011.
- C. Cross, "Comparative World Similarity and What is Held Fixed in Counterfactuals," Analysis 71:91-96, 2011.
- C. Cross, "Causal Independence, the Identity of Indiscernibles and
the Essentiality of Origins," The Journal of Philosophy 106:277-291, 2009.
- C. Cross, "Conditional Excluded Middle," Erkenntnis 70:173-188, 2009.
- C. Cross, "Nonbelief and the Desire-As-Belief Thesis," Acta Analytica 23:115-124, 2008.
C. Cross, "Antecedent-Relative Comparative World Similarity," Journal of Philosophical Logic 37:101-120, 2008.
C. Cross, "Conditional Logic and the Significance of Tooley's Example," Analysis 66:325-335, 2006
- C. Cross, "A Formal Model of Holistic Epistemic Coherence," in Bryson Brown and François Lepage (eds.), Truth and Probability: Essays in Honour of Hugues Leblanc, (London: King's College Publications, 2005), pp. 111-122.
C. Cross, "A Correction to 'Nonmonotonic Inconsistency'," Artificial Intelligence 160:191-192, 2004
C. Cross, "More on the Paradox of the Knower without Epistemic Closure," Mind 113:109-114, 2004
- C. Cross, "Relative Coherence and Cumulative Reasoning," in
The Epistemology of Keith Lehrer, Erik Olsson (ed.), (Philosophical Studies Book Series, Kluwer Academic Publishers: Dordrecht, 2003), pp. 109-127
C. Cross, "Nonmonotonic Inconsistency," Artificial Intelligence 149:161-178, 2003
C. Cross, "Armstrong and the Problem of Converse Relations,"
Erkenntnis 56:215-227, 2002
- C. Cross, "Doesn't-Will and Didn't-Did," Australasian Journal of Philosophy 80:101-106, 2002
C. Cross, "A Theorem Concerning Syntactical Treatments of Nonidealized Belief," Synthese 129:335-341, 2001
- D. Nute and C. Cross, "Conditional Logic," in The Handbook of Philosophical Logic, Second Edition, Volume 4, Dov Gabbay and Franz Guenthner (eds.), (Kluwer: Dordrecht, 2001), pp. 1-98. (Revision of Nute's chapter from the first edition with a new 40+pp section on conditionals and the Ramsey Test written by Cross)
C. Cross, "The Paradox of the Knower Without Epistemic Closure,"
Mind 110:319-333, 2001
C. Cross, "A Characterization of Imaging in Terms of Popper
Functions," Philosophy of Science 67:316-338, 2000
- C. Cross, "Coherence and Truth Conducive Justification," Analysis 59:186-193, 1999
- C. Cross, "The Modal Logic of Discrepancy," Journal of Philosophical Logic 26:143-168, 1997
C. Cross, "Max Black on the Identity of Indiscernibles,"
Philosophical Quarterly 45:350-360, 1995
C. Cross, "Probability, Evidence, and the Coherence of the Whole Truth," Synthese 103:153-170, 1995
C. Cross, "From Worlds to Probabilities: a Probabilistic Semantics for Modal Logic," Journal of Philosophical Logic 22:169-192, 1993
- C. Cross, "Counterfactuals and Event Causation," Australasian Journal of Philosophy 70:307-323, 1992
- C. Cross and R. H. Thomason, "Conditionals and Knowledge-Base
Update," in Belief Revision: Cambridge Tracts in Theoretical
Computer Science, Volume 29, ed. Peter Gärdenfors, (Cambridge
University Press: Cambridge, 1992), pp. 247-275
C. Cross, "Explanation and the Theory of Questions," Erkenntnis 34:237-260, 1991
C. Cross, "Temporal Necessity and the Conditional," Studia Logica 49:345-363, 1990
- C. Cross, "Belief Revision, Nonmonotonic Reasoning, and the Ramsey
Test," in Knowledge Representation and Defeasible Reasoning,
ed. Henry E. Kyburg, Jr., et al, (Kluwer: Boston, 1990), pp. 223-244
- C. Cross and R. H. Thomason, "Update and Conditionals," in
Methodologies for Intelligent Systems, ed. Zbigniew Ras and Maria
Zemankova, (North-Holland: Amsterdam, 1987), pp. 392-399
C. Cross, "'Can' and the Logic of Ability," Philosophical Studies 50:53-64, 1986
C. Cross, "Jonathan Bennett on 'Even If'," Linguistics and
Philosophy 8: 353-357, 1985
I regularly teach
2500 Symbolic Logic, PHIL(LING) 4510/6510 Deductive Systems,
PHIL(LING) 4520/6520 Model Theory, and PHIL
8500 Seminar in Problems of Logic. I occasionally teach PHIL 3610 Theory of Knowledge,
PHIL(LING) 8300 Seminar in the Philosophy of Language, and PHIL 8600 Seminar in Metaphysics.
I am interested in directing graduate student research in
metaphysics, epistemology, and philosophical logic. Possible topics
include ontology, the metaphysics of modality, essentialism, the
essentiality of origins, conditionals, epistemic logic, belief
revision, and logics for artificial intelligence. Prospective graduate
students interested in working with me are invited to apply to
the Ph.D. Program
the M.A. Program
in Philosophy, or
the M.S. Program
in Artificial Intelligence. Joint enrollment for the M.S. in
Artificial Intelligence and the M.A. or Ph.D. in Philosophy is
possible and represents a unique opportunity for prospective graduate
students interested in logic and its applications.
Revised: February 11, 2014.
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Curriculum vitae (password available upon request)