Does any finite L-Structure has its k-catecory theory? (where k is of course the structure's cardinality)
53418
Why finite structures are uniquely characterized?
45792
Rigorous proof that surjectivity implies injectivity for finite sets
158590
Why is it that if $[L:K]$ is finite, then $[L:K]$ is algebraic?
140662
Powers of infinite cardinals in the generic extension
111129
Show that $[K:F]_s = [K:L]_s [L:F]_s$ and $[K:F]_i = [K:L]_i [L:F]_i$.
128118
Is the cofinite topology on a countable set first countable?
67279
Is the union of finitely many open sets in an omega-cover contained within some member of the cover?
39880
Cardinality of Orderings of $\mathbb{R}$
21479
Why cofinality is a cardinal.
135760
Can proper classes also have cardinality?
155168
Is the collection of finite subsets of $\mathbb{Z}$ countable?
115502
Analogue of the Cantor-Bernstein-Schroeder theorem for general algebraic structures
88508
References for quasi finite and proper implies finite
12436
The cardinality of the set of all finite subsets of an infinite set
79974
The cardinality of Lebesgue sets
101986
Prob. 2, Sec. 20 in Munkres' TOPOLOGY, 2nd ed: The dictionary order topology on $\mathbb{R} \times \mathbb{R}$ is metrizable.
52451
Ordered Triples and Set Theory