Read Edit View history 平行公设 píngxínggōngshè parallel postulate Origin Definitions Defs Strokes Stroke Words Sentences Sents 平行公设 平行公設 píngxínggōngshè parallel postulate the parallel postulate in geometry; Euclid's fifth postulate
平行公设 平行公設 píngxínggōngshè parallel postulate the parallel postulate in geometry; Euclid's fifth postulate