Relative synonymy
Properties
¥The relative synonymy is a measure which favors the closing in of 2 vectors:

¥ÒblackÓ a good punctum proximum
for ÒcoalÓ and ÒnightÓ

¥Transitivity of the synonymy
¥SynR(coal, crow, black) = 0.18
¥SynR(crow, night, black)                = 0.5
¥SynR(coal, night, black) = 0.35