英和和英

語源

raven +‎ -ness

名詞

ravenness (uncountable)

1. (philosophy) The quality of being a raven.
   • 1974, Mary B. Hesse, The Structure of Scientific Inference (page 160)

     Not only are shoes and ravens not exchangeable, but it is to say the least questionable whether we should regard ravenness as positively relevant to blackness on the evidence of the white shoe.

使用する際の注意点

• Used in philosophical discussions of Hempel's paradox.

参考

• nonraven