On intuitionistic modal epistemic logic

1992 ◽  
Vol 21 (1) ◽  
Author(s):  
Sven Rosenkranz

Justification as Ignorance offers an original account of epistemic justification as both non-factive and luminous that vindicates core internalist intuitions, without construing justification as an internal condition. The account conceives of justification, in its doxastic and propositional varieties, as a kind of epistemic possibility of knowing, and of being in a position to know, respectively. It thus contrasts with other recently proposed views that characterize justification in terms of the metaphysical possibility of knowing. In developing his account, Rosenkranz devises a suitable non-normal multi-modal epistemic logic for knowledge and being in a position to know that respects the finding that these notions create hyperintensional contexts, defends his conception of justification against well-known anti-luminosity arguments, shows that the account allows for fruitful applications and principled solutions to the lottery and preface paradoxes, and provides a metaphysics of justification, and of its varying degrees of strength, that is compatible with core assumptions of the knowledge-first approach and disjunctivist conceptions of mental states.


2005 ◽  
Vol 15 (6) ◽  
pp. 1059-1073 ◽  
Author(s):  
Sergei Artemov ◽  
Elena Nogina
Keyword(s):  

2010 ◽  
Vol 26 (3) ◽  
pp. 345-367 ◽  
Author(s):  
Olivier Roy

In this paper I study intentions of the form ‘I intend that we . . .’, that is, intentions with a we-content, and their role in interpersonal coordination. I focus on the notion of epistemic support for such intentions. Using tools from epistemic game theory and epistemic logic, I cast doubt on whether such support guarantees the other agents' conditional mediation in the achievement of such intentions, something that appears important if intentions with a we-content are to count as genuine intentions. I then formulate a stronger version of epistemic support, one that does indeed ensure the required mediation, but I then argue that it rests on excessively strong informational conditions. In view of this I provide an alternative set of conditions that are jointly sufficient for coordination in games, and I argue that these conditions constitute a plausible alternative to the proposed notion of epistemic support.


Author(s):  
Alexandru Baltag ◽  
Aybüke Özgün ◽  
Ana Lucia Vargas Sandoval

2008 ◽  
pp. 361-455 ◽  
Author(s):  
Alexandru Baltag ◽  
Hans P. van Ditmarsch ◽  
Lawrence S. Moss

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