#h8trsUnmoderated tagAll postsTrending CommunitiesSteemitCryptoAcademyNewcomers' Communityআমার বাংলা ব্লগKorea • 한국 • KR • KOSteem POD TeamSTEEM CN/中文Steem AllianceAVLE 일상WORLD OF XPILARBeauty of CreativityUkraine on SteemTron Fan ClubExplore Communities...#h8trsTrendingHotNewPayoutsMutedstratus (33)in #h8trs • 7 years agoA lesson in Heyting algebra for h8trs in the Neighbourhood (mathematics)In topology and related areas of mathematics, a neighbourhood (or neighborhood) is one of the basic concepts in a…