PNG  IHDR/վ0PLTE@@@ftRNSS pHYsetEXtTitleInftyEditor MathImageytEXtAuthorAdministrator*&tEXtDescription $\mathbf{n}\in\mathbf{N}$"tEXtCopyrightInftyProject@$tEXtCreation Time r'rr'rr IDATx Pc:jB g "k.|? O@9tJ\=AV+\ѽd".&Q$ ك ڷCTH , ||Cz$vTT%*e >pYg>,ʟIENDB`