That is mere rhetoric - the game of words.You bait me into the most shallow of conversations mtndw.
Of course, there is a sound, in that sound is physically produced when things crash.
The idea is about HEARING. Nobody heard it, there was no impulses going to any brain perhaps, but the tree made a sound.
Actually, there is NEVER a case when there is no life around the forest, something was aware of it falling.
CAn we move onto deeper issues now?
Didja read the posts here? Good stuff, deep thoughts.