Why Obey the Laws of Logic?

The status of the law of noncontradiction is the ultimate battleground on which the traditional forces of rationalism and anti-rationalism have met. This conflict is the topic of this essay. People who reject the law of noncontradiction obliterate any significant difference between speech acts of asserting and denying. In doing so, they deprive themselves of the significant use of their own speech acts. Thus they are self-silencers. This is Aristotle’s “negative demonstration” of the law of noncontradiction, and I find it entirely persuasive

Contextualismo y externismo: cambiando una forma de escepticismo por otra

The central claim of this essay is that contemporary externalists and contextualists, in their efforts to refute Cartesian skepticism, open the door to Pyrrhonian skepticism or, more strikingly, actually embrace a position indistinguishable from it. David Lewis's essay "Elusive Knowledge" is presented as a specimen of just this tendency