Full Idea
We twentieth century city dwellers deal with abstract objects all the time, such as bank balances, radio programs, software, newspaper articles, poems, mistakes, triangles.
Gist of Idea
We deal with abstract objects all the time: software, poems, mistakes, triangles..
Source
George Boolos (Must We Believe in Set Theory? [1997], p.129)
Book Reference
Boolos,George: 'Logic, Logic and Logic' [Harvard 1999], p.129
A Reaction
I find this claim to be totally question-begging, and typical of a logician. The word 'object' gets horribly stretched in these discussions. We can create concepts which have all the logical properties of objects. Maybe they just 'subsist'?