It really MIGHT depend on what the meaning of the word "is" is. (Reposted)

Reposted from the Ontological Comedian

If you think every word has a definition, and definitions are how we know what words mean, consider the word "is" -- which is a pivotal part of every definition -- indeed of the very idea of definition. A bear is a large furry mammal that sometimes walks on it hind legs, etc., etc.