公设

公設
gōngshè
  1. (math.) postulate
  2. public facilities (abbr. for 公共设施 gōnggòngshèshī)

CEDICT

math

Entry Composition

1 公 gōng
  1. public
  2. collectively owned
  3. common
  4. international (e.g. high seas, metric system, calendar)
  5. make public
  6. fair
  7. just
  8. Duke, highest of five orders of nobility 五等爵位 wǔděngjuéwèi
  9. honorable (gentlemen)
  10. father-in-law
  11. male (animal)
2 设 shè
  1. to set up; to put in place
  2. (math.) given; suppose; if