[donh]

Experience hath shown that all cats are either alive or not alive (dead).

Are green cats dead or alive?

[null and void]

Experience hath shown that all cats are either alive or not alive (dead).

Are green cats dead or alive?

All cats have the potential of being green, if they are dead long enough...

[longshadow]

Are green cats dead or alive?

Vacuously true.