{{ux|en|Two principal objects of study in additive number theory are the sumset A+B=a+b:a∈A,b∈B of two subsets A and B of elements from an abelian group G, and the h-fold sumset of A, hA= underset hunderbrace A+⋯+A,.}}

Frequent allusions are made to a lady's pets, her lap-dog or her parrot […] In fact there were 'Jamrachs' then as now, and many of the bird shops were in St. Martin's Lane, […]

The pork is free of tenderizers; more than a few pilgrimages have been made for the cured ham and spicy chouriço sausages (both $3.99 a pound).

In comedolysis, stimulation of epithelial turnover leads to an increased production of loose horny cells which no longer stick tightly together.