Wittgenstein's numbering system
91071
Tractatus-style paragraph numbering
52682
Is the power set of the natural numbers countable?
3119
Distribution of Universal Quantifiers
79349
The Aleph numbers and infinity in calculus.
42970
Proof of a proposition about recursion definition (Terence Tao's Analysis I)
85852
How many total order relations on a set $A$?
38273
Aristotle's Categories with academic commentary
41052
The set of real numbers and power set of the natural numbers
52861
Natural Numbers and Well ordering
52451
Ordered Triples and Set Theory
106325
Question about Cardinality
145218
Criteria for the numbering of human chromosomes
108922
Cardinality and infinite sets: naturals, integers, rationals, bijections
22498
In set theory, how are real numbers represented as sets?
13860
IMO/1981 - Combinatorics
105545
Confused about language and words in logic
101741
Selection of logical connectives {¬,∨,∧,⇒,⇔} in set theory?