Old, grumpy russian. From Russia.
Retired author, husband and father.
No relation to FanOfMostEverything.
A light shines in the middle of darkness. Should I follow it? What if it's just a trap, or delusion? I'll get know only if I'll follow it
Let R = { x | x ∉ x }, then R ∈ R ⟺ R ∉ R... or is it?