If a tree falls in a forest, and there is no one there to hear it, does it make a sound?
George Berkeley (Irish philosopher) asked this question as "
Can something exist without being perceived by consciousness?" as in "
Is sound only sound if a person hears it?".
Discuss: If someone commits a "
crime", but there is no law against it, is it a "
crime"?
Discuss: If a programmer makes a "
mistake", creating a software fault, is it a failure in the software?