#h8trsUnmoderated tagAll postsExplore CommunitiesTrending CommunitiesSteemit FeedbackNewcomers' CommunitySteemitCryptoAcademyআমার বাংলা ব্লগKorea • 한국 • KR • KOSteem AllianceSTEEM CN/中文SCT.암호화폐.CryptoWORLD OF XPILARComunidad LatinaBeauty of CreativityTron Fan Club#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…