[0] not sure what you (or I, even) mean here, would the earlier bead of ultrafilters (& ultrametrics) be relevant in dispelling your discomfort?
[1] yes
[2] Linnaeus?
[0] not sure what you (or I, even) mean here, would the earlier bead of ultrafilters (& ultrametrics) be relevant in dispelling your discomfort?
[1] yes
[2] Linnaeus?
[2] Nomenclature binomiale
(compare the "biped, featherless — with broad nails")