_:vb6958601	<http://purl.org/dc/terms/bibliographicCitation>	"1867, Lyman Hotchkiss Atwater, Manual of Elementary Logic, quoted in OED:"@en .
_:vb6958601	<http://www.w3.org/1999/02/22-rdf-syntax-ns#value>	"Disjunctives may be turned into conditionals"@en .