Full Idea
There is no way within Aristotelian logic that you can give a proper expression for the logical form of such a proposition as 'Everyone loves someone'.
Gist of Idea
Aristotelian logic cannot express 'Everyone loves someone'
Source
Roger M. White (Wittgenstein's 'Tractatus Logico-Philosophicus' [2006], 1 'Frege')
Book Reference
White,Roger M.: 'Wittgenstein's 'Tractatus'' [Continuum 2006], p.4
A Reaction
This needs a combination of two different quantifiers.