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An Introduction to Paraconsistent Dialetheism

Hartry Field

in Saving Truth From Paradox

Published in print:
2008
Published Online:
May 2008
ISBN:
9780199230747
eISBN:
9780191710933
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199230747.003.0025
Subject:
Philosophy, Logic/Philosophy of Mathematics

This chapter introduces ‘dialetheic’ approaches, according to which Liar sentences are both true and false, indeed both true and not true. (Some contradictions are accepted.) Dialetheism provides ... More


Some Dialetheic Theories

Hartry Field

in Saving Truth From Paradox

Published in print:
2008
Published Online:
May 2008
ISBN:
9780199230747
eISBN:
9780191710933
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199230747.003.0026
Subject:
Philosophy, Logic/Philosophy of Mathematics

This chapter surveys a number of dialetheic theories, pointing out some difficulties with each. The theories differ over the kind of conditionals they contain. The dialetheic theory that in some ways ... More


Reasoning with Conditionals

A. W. Price

in Contextuality in Practical Reason

Published in print:
2008
Published Online:
May 2008
ISBN:
9780199534791
eISBN:
9780191715877
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199534791.003.0003
Subject:
Philosophy, Moral Philosophy

Hypothetical imperatives are problematic: does ‘If you want to get drunk every evening, you ought to work in a bar’ entail, given ‘You want to get drunk every evening’, ‘You ought to work in a bar’? ... More


The Difficulty about Corroboration and Convergence

L. Jonathan Cohen

in The Probable and The Provable

Published in print:
1977
Published Online:
October 2011
ISBN:
9780198244127
eISBN:
9780191680748
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198244127.003.0011
Subject:
Philosophy, Metaphysics/Epistemology, Philosophy of Science

This chapter examines the difficulty about corroboration and convergence. It begins by addressing the common structure of testimonial corroboration and circumstantial convergence. The chapter also ... More


Support Theories

Jonathan Bennett

in A Philosophical Guide to Conditionals

Published in print:
2003
Published Online:
November 2003
ISBN:
9780199258871
eISBN:
9780191597046
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/0199258872.003.0020
Subject:
Philosophy, Philosophy of Language

Detailed exposition and evaluation of Goodman's approach to subjunctive conditionals. The cotenability problem is shown to be an amalgam of two problems: about causal contraposition and about logical ... More


The Logic of Indicative Conditionals

Jonathan Bennett

in A Philosophical Guide to Conditionals

Published in print:
2003
Published Online:
November 2003
ISBN:
9780199258871
eISBN:
9780191597046
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/0199258872.003.0009
Subject:
Philosophy, Philosophy of Language

Expounds, mainly on the basis of Adams's work, the logic of indicative conditionals—with some help from his adaptation of Venn diagrams. Failure for indicatives of or‐to‐if, contraposition, ... More


The Interaction of ‘If’ and ‘Would’: Semantics and Logic

Timothy Williamson

in Suppose and Tell: The Semantics and Heuristics of Conditionals

Published in print:
2020
Published Online:
August 2020
ISBN:
9780198860662
eISBN:
9780191893391
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198860662.003.0010
Subject:
Philosophy, Philosophy of Language

This chapter argues that the difference between indicative and counterfactual conditionals traces to the overt difference in verb forms and not to any alleged covert ambiguity or context-dependence ... More


The Probability of the Conditional and the Conditional Probability

Raymond S. Nickerson

in Conditional Reasoning: The Unruly Syntactics, Semantics, Thematics, and Pragmatics of "If"

Published in print:
2015
Published Online:
November 2015
ISBN:
9780190202996
eISBN:
9780190249137
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780190202996.003.0010
Subject:
Psychology, Cognitive Psychology

This chapter reviews the debate regarding whether the probability of the conditional, p(If A then C), should be considered equivalent to the conditional probability, p(C|A), and considers the ... More


 Quantifying Predicates, Singular Term Predicates, Negative Terms

Terence Parsons

in Articulating Medieval Logic

Published in print:
2014
Published Online:
June 2014
ISBN:
9780199688845
eISBN:
9780191768002
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199688845.003.0003
Subject:
Philosophy, Logic/Philosophy of Mathematics, Ancient Philosophy

Medieval logicians expanded Aristotle’s notation; some rules naturally come along with the expansions. Predicates are quantified, as in ‘No donkey is every animal’, and negations are sprinkled ... More


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