Do Alexius Meinong's impossible worlds describe all impossible worlds/things?
4700
Can paraconsistent or other logics make the impossible happen?
2742
Is infinity a number?
59312
Is everything in the physical world composite?
5964
Are there areas of mathematics (current or future) that cannot be formalized in set theory?
37991
How many different sizes of infinity are there?
94741
Are all infinities equal?
108488
Why aren't vacuous truths just undefined?
15484
What is a good non-technical introduction to theories of everything?
142775
What items are mutually exclusive between worlds?
38726
What set theory axioms do I need to believe in uncountable ordinals?
146896
"Not possible" and "Impossible"
55426
In what type of world is free will possible, if at all?
15558
Zero probability and impossibility
152437
Wavefunction, probability and impossible events
41318
Can every proof by contradiction also be shown without contradiction?
136259
Does the Simulation Argument differ in essence from the Evil Genius puzzle?
21938
describing all possible topologies on a set