New posts in Order Theory

Completeness of a quantifier-free axiomatization of Boolean algebra using partial-ordering

Embedding of countable linear orders into $\Bbb Q$ as topological spaces

Partial order on Grothendieck group of an abelian category

Is the set of totally ordered sets totally ordered?

Upper and lower bound in distributive lattice

Why does the set $\{1,3,5,7... ; 2,4,6,8...\}$ qualify as well-ordered? How to explain this notation?

Combinatorics problem, right solution?

Can we expand "induction principle" to a partial order $(X, \leq)$?

Example of a preclosure that is not a closure

Drawing balls from an urn or counting certain posets