What is 3<2 ?

[Piotr Fusik]

Hello,

I thought that 3<2 is simply an empty string, but it appears to be something 
different:

perl -le "print '' eq (3<2)"
1

perl -le "print 'a'|''"
a

perl -le "print 'a'|(3<2)"
0

Can someone explain me this?

Piotr