id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ejpam-97	Ebrahimi, Mohammad Mehdi; Barzegar, H	Sequentially pure monomorphisms of acts over semigroups	2009	15	.pdf	application/pdf	7751	451	84	For a subset H of A× A let H e be the equivalence relation generated by H and H c = {(as, bs) : (a, b) ∈ H, s ∈ S} The cofree functor H : Set → Act-S is defined by HX = X S1 , the set of all functions from S1 to the set X , with the action of S on X S1 given by ( f s)(t) = f (st) for f ∈ X S1 , s ∈ S, and t ∈ S1.	cache/ejpam-97.pdf	txt/ejpam-97.txt