Disagreement about logic

  title={Disagreement about logic},
  author={Ole Thomassen Hjortland},
  pages={660 - 682}
ABSTRACT What do we disagree about when we disagree about logic? On the face of it, classical and nonclassical logicians disagree about the laws of logic and the nature of logical properties. Yet, sometimes the parties are accused of talking past each other. The worry is that if the parties to the dispute do not mean the same thing with ‘if’, ‘or’, and ‘not’, they fail to have genuine disagreement about the laws in question. After the work of Quine, this objection against genuine disagreement… 
1 Citations
What Counts as Evidence for a Logical Theory?
Anti-exceptionalism about logic is the Quinean view that logical theories have no special epistemological status, in particular, they are not self-evident or justified a priori. Instead, logical


Verbal Disputes in Logic: Against minimalism for logical connectives
Quine’s famous meaning-variance thesis has it that when a classical and a nonclassical logician argue about a logical law, say, the law of excluded middle, the apparent disagreement is a ‘mere verbal
Replacing Truth
Of the dozens of purported solutions to the liar paradox published in the past fifty years, the vast majority are “traditional” in the sense that they reject one of the premises or inference rules
The Justification of the Basic Laws of Logic
This paper aims to answer the question of how beliefs in such attributions are justified, on both its descriptive and normative interpretations, and to make it plausible that beliefs formed this way really are justified.
Truth and meaning
It is conceded by most philosophers of language, and recently even by some linguists, that a satisfactory theory of meaning must give an account of how the meanings of sentences depend upon the
Carnap and logical truth
Kant’s question ‘How are synthetic judgments a priori possible?’ precipitated the Critique of Pure Reason. Question and answer notwithstanding, Mill and others persisted in doubting that such
Anti-exceptionalism about logic
Logic isn’t special. Its theories are continuous with science; its method continuous with scientific method. Logic isn’t a priori, nor are its truths analytic truths. Logical theories are revisable,
Making sense of logical pluralism
Abstract The article is centered on the question of how best to understand the logical pluralism/logical monism debate. A number of suggestions are brought up and rejected on the ground that they
Conceptual Ethics I
Which concepts should we use to think and talk about the world, and to do all of the other things that mental and linguistic representation facilitates? This is the guiding question of the field that
The philosophy of logic
what exactly are these logical This essay is the text of a retiring presidential address to the Association for Symbolic Logic. For a number of historical and sociological reasons, the largely