id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ejpam-3559	Patangan, Rachel Moridas; Canoy, Jr., Sergio R.	Topologies on a Hyper Sum and Hyper Product of Two Hyper BCK-algebras	2019	9	.pdf	application/pdf	3367	251	89	By the definition of a hyper sum, if w ∈ H1, then y ∗ w = {y} and if w ∈ H2, then x ∗w = {x}. Since x, y ∈ D, it follows that x � u and y � u for all u ∈ U .	cache/ejpam-3559.pdf	txt/ejpam-3559.txt