The possible-worlds tag has no wiki summary.
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Is there a “zoom theory” of the Universe?
I don't know much about philosophy (that I know of!), but I have this weird idea about the Universe which just won't go away and wanted to get some critical constructive feedback.
Is it reasonable to ...
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1answer
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One-placed intersection operator
What is the meaning of a formulation like: "A iff ∩A ⊆p"
A is a set of propositions, p is a specific proposition, and the whole formulation is explicated as "There is no possible world where all ...
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For the modal realist, do possible individuals (and worlds) exist necessarily?
For David Lewis's Modal Realism, do the worlds and individuals that inhabit them exist necessarily? In a sense, the answer is "no". For an individual to exist necessarily would be for it to have a ...
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Can we ever know the origin of universe? [closed]
For sake of argument, let's assume that everything has to come from something. In this case, our universe must have come from something, lets call it 'thing 1'. 'Thing 1' in turn must have come from ...
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How to address initial criticisms of modal logic, in particular “I can imagine a world where [necessary truth] is false?”
Whether you ultimately agree with it or not, I feel that a study of modal logic, including David Lewis's (and others') notion of possible words is a valuable facet of a proper understanding of logic ...
