Truth, according to philosopher
, Gottlob Frege
, is the single referent of all true sentences, such "Socrates
" and "All bachelors
A Perl hacker, on the other hand, thinks that truth is anything other than or the empty string "". Contrast this with the shell programmer, who thinks that 0 is true, and every number greater than 0 is false -- the greater the number, the falser it is.