Are there algebraic objects in which "associativity" holds only up to some finite $n$?
2162
How does one actually show from associativity that one can drop parentheses?
124847
Is the set of surjective functions from $\mathbb{N}$ to $\mathbb{N}$ uncountable?
110018
Conjugacy classes in $A_n$.
34740
Do finite algebraically closed fields exist?
93031
How to show that $\mathbb{Z}$ with the operation $m*n=m+(-1)^m n$ is associative?
68430
Proving the countability of algebraic numbers
13834
Show that G is a group, if G is finite, the operation is associative, and cancellation law holds
113175
Why is the algebraic closure of a finite field countable?
80879
Can a quotient field ever be finitely generated as an algebra?
158590
Why is it that if $[L:K]$ is finite, then $[L:K]$ is algebraic?
82637
Does there exist a non-trivial, associative Lie algebra?
130683
Quaternion group associativity
40937
Is the set of partial order relations over $ \mathbb{N}$ countable?
74663
Is $\mathbb{R}$ an algebraic extension of some proper subfield?
134909
Associativty of smash product on compact spaces
109688
Zero-dimensional ideals and finite-dimensional algebras
56898
Number of monomials of certain degree