: Discovered by Bertrand Russell in 1901, it shows that "the set of all sets that do not contain themselves" leads to a logical contradiction.
: Paradoxically shows that in any consistent axiomatic system, there are true statements that cannot be proven. ♾️ Paradoxes of Infinity Paradoxes in Mathematics
: A semantic paradox based on the statement "This sentence is false," which is true only if it is false, and vice versa. : Discovered by Bertrand Russell in 1901, it