7 Does Tegmark's Mathematical Universe hypothesis allow existence of alternative mathematics? 2018-10-26T21:30:38.807

6 What comes first: Necessity or Possible Worlds? 2013-07-17T07:54:51.700

6 Indiscernibility of possible worlds 2015-07-01T21:18:10.807

5 What do necessity and possibility mean in Aquinas' Third Way argument for the existence of God? 2015-01-12T06:34:02.387

5 Does semantic externalism imply modal realism? 2017-01-30T19:34:14.217

5 Why does it matter if we live in "the best of all possible worlds"? 2017-07-07T05:35:55.263

5 Ontological status of Axiom of Choice 2018-05-06T04:46:08.207

5 If we imagine a world that functions without causality, how absurd could it be? 2018-08-05T15:23:59.287

5 Why can we not reduce necessity to analyticity? 2018-08-30T19:19:53.973

5 Can possible-but-non-actual objects have accidental properties? 2018-10-22T16:51:18.030

4 Can we ever know the origin of universe? 2013-03-15T10:49:10.700

4 For the modal realist, do possible individuals (and worlds) exist necessarily? 2013-03-24T00:31:17.177

4 The possibility of impossible 2014-04-06T10:06:37.767

4 Is there anyone who believes that all modal statements are meaningless or trivial? 2016-11-15T04:24:56.217

4 Are analytic propositions always vacuously true? 2017-02-07T14:39:03.097

4 How does the concept of the 'virtual' (Deleuze) relate to 'counterfactuals' (Lewis)? 2018-05-07T10:23:06.997

4 Do Alexius Meinong's impossible worlds describe all impossible worlds/things? 2018-09-12T21:15:08.233

4 Is essentialism compatible with naturalism? 2018-10-02T15:41:53.733

3 How to address initial criticisms of modal logic, in particular "I can imagine a world where [necessary truth] is false?" 2012-11-26T04:30:31.937

3 One-placed intersection operator 2013-04-26T02:54:44.253

3 Is there a possible world in which the secondary attributes of our world become primary? 2013-07-01T04:54:23.760

3 Can one be a Modal Realist without also having to incorporate the existence of impossible worlds? 2016-05-23T14:59:01.347

3 Defining logical possibility without circularity 2016-08-16T23:49:37.183

3 How to valuate (assign truth values to) a formula in modal logic (Kripke model) 2017-11-25T00:57:17.120

3 Is there an idea of non-spatial reality in philosophy? 2018-08-04T00:05:13.867

3 Does Tegmark himself include paraconsistent mathematical structures in his mathematical multiverse hypothesis? 2018-11-15T00:55:14.263

3 Can Schmidhuber's hypothesis reproduce all types of universes? And Wheeler's it from bit? Or Weizsäcker's ur-theory? 2018-11-18T15:36:23.523

3 How does this anthropic principle argument from Schopenhauer make any sense? 2018-12-06T14:41:49.147

3 Can many worlds interpretation have universes with different laws? 2018-12-12T21:12:04.843

3 Propositions that can't be used to distinguish possible worlds 2018-12-21T01:43:35.033

2 If there are infinite realities, do realities exist in which there are no infinite realities? 2014-06-06T20:14:18.047

2 How to interpret "it is possible that x is impossible"? 2015-06-24T20:45:55.960

2 Modal Realism: Possible Worlds spatio-temporally isolated? 2015-10-03T16:48:59.883

2 Is there a symbolic formulation of modal realism? 2016-04-15T17:57:45.770

2 The definition of a possible world 2016-05-15T20:11:05.937

2 Consistency in Modal Metaphysics 2017-01-24T19:58:33.917

2 circularity of possibility defined over possible worlds 2017-11-29T15:36:26.223

2 What's the difference between logical modalities and physical modalities? 2018-09-26T21:04:34.540

2 Did David Deutsch really disprove the Simulation Hypothesis? 2018-11-03T10:18:07.483

2 Modal logics - philosophical paradoxes using modeling by possible worlds 2019-06-07T14:27:10.473

2 Can a Rigid Designator still exist if there is only one possible world? 2019-06-11T04:02:39.407

2 Computer vs brain in many-worlds interpretation of QM 2020-11-15T18:25:41.060

1 Does the universe have solid structures on multiple spatial scales? 2013-05-16T20:06:35.323

1 Is the Ideal World a possible world? 2014-07-12T15:11:07.543

1 Can different varieties of modality be used with existential quantification? 2016-04-17T18:49:00.793

1 Is there any way to represented nested modalities in alethic modal logic? 2016-12-28T01:27:23.370

1 In what sense are mathematical relations necessary? 2017-03-30T12:01:33.603

1 What is the theory that existence, life, and/or consciousness arise simply because all possibilities must be exhausted, and this is one of them? 2017-07-28T01:19:15.260

1 What is the Lange's viewpoint on laws of nature? 2018-09-24T10:21:32.733

1 How could we get a world where only impossible things happen? 2018-10-08T11:03:19.600

1 Did Carnap propose some kind of Modal Realism? 2019-07-26T01:07:54.610

1 What is the procentual probability that we live in the objective reality independent of our consciousness rather than in some virtual reality? 2019-08-23T12:36:21.243

1 Does denying the Limit Assumption in counterfactual logic lead to contradiction? 2020-01-03T13:57:03.327

1 Having S5 system Why we need to use WPSR in Gale Pruss New cosmological arguement? 2020-03-10T17:14:19.233

1 How does one determine if killing an evil creature is an evil act? 2020-05-09T10:16:34.673

1 Could there be a universe where the concept of order and logic and numbers and objects and space and time don't exist? 2020-05-25T09:06:05.803

1 Why are some things considered "impossible" even in other universes? 2020-12-19T02:33:48.920

1 Is my name a rigid designator if I had an identical twin in a possible world? 2020-12-22T04:36:30.077

0 Does the theory of multiple dimensions disprove itself? 2014-02-01T05:14:26.677

0 Abstractionism about Possible Worlds and the Contingently Non-Concrete 2014-09-20T23:41:34.070

0 Time of Occurrence of Events 2015-02-10T02:01:55.507

0 Does Flatland exist according to modal realism? 2015-02-11T09:08:49.653

0 Help understanding possible world formalism 2016-03-01T13:40:27.780

0 Real impossible worlds 2017-03-06T23:44:50.540

0 What is the explanatory power of Possible World Semantics? 2017-06-30T10:53:34.820

0 Truth that requires two possible worlds not causally linked 2017-09-19T21:14:09.020

0 Is there any physics-model version of Tegmark's hypothesis? 2019-04-18T02:40:34.963

0 David Lewis and naturalism 2019-07-22T19:35:56.203

0 What is Robert Nozick alluding to by a “vast generalization” of Feynman’s path integral? 2019-08-28T22:27:28.667

0 what is meaning of accessibility of possible worlds? 2020-03-10T23:57:12.900

0 Is there any philosophy which proposes that whatever you believe or imagine is true or exists? 2020-03-19T20:14:17.327

0 Are there set-theoretical problems with modal metaphysics? 2020-09-21T00:38:02.943

0 What are David Lewis' perfectly natural properties? 2020-11-06T18:16:10.123

-3 Is it possible to mathematically define a hypercomputer-universe where things that could not be computed by it could exist? 2019-04-17T11:20:00.560