Hi Mike! The word "inferential" has to do with being able to be logically inferred, that is, deduced. Russell's Principia Mathematica specified that each prop

Hi Mike! The word "inferential" has to do with being able to be logically inferred, that is, deduced. Russell's Principia Mathematica specified that each proposition must have an order to block paradoxes such as Russell's paradox. See the article linked above for further explanation.