Results 91 to 100 of about 7,832 (189)

On the Reality of the Continuum Discussion Note: A Reply to Ormell, ‘Russell's Moment of Candour’, _Philosophy_ [PDF]

open access: yes, 2008
In a recent article, Christopher Ormell argues against the traditional mathematical view that the real numbers form an uncountably infinite set. He rejects the conclusion of Cantor’s diagonal argument for the higher, non-denumerable infinity of the real ...
Newstead, Anne
core  

Joint Ought

open access: yes
Philosophy &Public Affairs, Volume 52, Issue 1, Page 42-68, Winter 2024.
Rowan Mellor
wiley   +1 more source

Conhecimento, Verdade e Significado

open access: yesDoisPontos, 2009
This paper’s goal is to present a Wittgenstein’s argument against philosophical realism, the strong realism with respect to truth. Wittgenstein’s argument has the general form of a modus tollens whose conditional premise states that strong realism ...
Alexandre N. Machado
doaj  

Disconfirmation is not modus tollens

open access: yes
Scientific disconfirmation has often been thought to be reasoning by modus tollens. This interpretation, however, misconstrues the conditionals in this scientific reasoning in terms of the material conditional, rather than in terms of causal conditionals.
openaire   +1 more source

An Introduction to Critical Thinking and Symbolic Logic Volume 1: Formal Logic [PDF]

open access: yes, 2017
This textbook has developed over the last few years of teaching introductory symbolic logic and critical thinking courses. It has been truly a pleasure to have benefited from such great students and colleagues over the years.
Ferreira, Rebeka, Ferrucci, Anthony
core  

Razonamiento Animal: Negación y Representaciones de Ausencia [PDF]

open access: yes, 2011
In this paper, I reject that animal reasoning, negation in particular, necessarily involves the representation of absences, as suggested by Bermúdez (2003, 2006, 2007), since this would still work as a logical negation (unavailable for non-linguistic ...
Morales, Jorge
core  

Scientific Realism and the Pessimistic Meta-Modus Tollens [PDF]

open access: yes, 2002
Broadly speaking, the contemporary scientific realist is concerned to justify belief in what we might call theoretical truth, which includes truth based on ampliative inference and truth about unobservables.1 Many, if not most, contemporary realists say scientific realism should be treated as ‘an overarching scientific hypothesis’ (Putnam 1978, p. 18).
openaire   +1 more source

Vagueness-Induced Counterexamples to Modus Tollens

open access: yesProceedings of the Aristotelian Society, 2020
Abstract I argue that vagueness produces counterexamples to modus tollens. I begin by outlining cases where indicative and counterfactual conditionals (henceforth, natural conditionals) seem intuitively to be determinate even when their antecedents are borderline and their consequents are determinately false.
openaire   +1 more source

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