Tag Archives: Physics


Do Physical Objects Possess Temporal Parts?

president_baracl_obama_changeThe problem of qualitative change is how an object that has a particular property at one time can be numerically identical with an object that does not have that property at a different time without violating the principle of the indiscernability of identicals.[1] (This is distinct from the problem of mereological change: can object that has particular parts at one time be likewise identical with different parts at a different time?) There would be a very significant philosophical conclusion should we be unable to solve this, namely that we cannot make literally correct statements of the form ‘the banana changed from green to yellow’. Read the rest of this entry

Identity and Change