Car, car, everybody's car... But mostly Vern's.

Vern has been bringing his old Volvo for servicing at Grace's Garage for many years. Unknown to Vern, Grace kept every single part that she replaced. Every time Vern dented a wing or a door, the panel was replaced by a new one. What Vern didn't know was that a couple of decades later Grace had Vern's entire original car in the form of a heap of (still usable) parts hidden in the back of her garage.

So which is Vern's Volvo, the one he's been driving for 20 years, or the heap of parts? Why?

Understanding that both cannot simultaneously be Vern's Volvo, explain which is Vern's Volvo in a series of well-developed and logical paragraphs. Give specific reasons why you have reached your conclusion and be sure to address why the other conclusion is NOT possible.

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I'm just going to rip right through and say that Vern's Volvo is still the same thing he's been driving, even though parts have been swapped out of it. Vern's Volvo, after 20 years, is still Vern's Volvo. The reason behind this that even though the original vessel has been scrapped and malformed, the actual form and identity known as "Vern's Volvo" still exists as it is as he's been driving it. The Idea of Vern's Volvo hasn't changed a single bit.

Even though Grace has obtained fragments of Vern's original volvo, they loose their overall form and the actual 'Idea' of the Volvo dissolves into naught but their own individual ideas: Doors, exhausts, mirrors, passenger seats, and fuzzy dices (Tacky!). The reason behind this is that they do not complete the idea of Vern's Volvo; or better put, Vern's Volvo is made entirely of the components, but each individual component does not make Vern's Volvo. The idea of "Vern's Volvo" cannot be expressed by individual components without them first loosing their identity and then belonging to "Vern's Volvo".

Using the previous paragraph's logic, I can call the door on the Volvo "The Volvo's Door", in which our own grammar agrees with the statement that the door belongs to the Volvo. By calling it "The Door", it lacks a claim or possession and stands out on its own, but we assume its possession to the Volvo when it's been referenced before hand. Using that again, if Gracie were to open her "Vern's Volvo" door, what does it belong to? Nothing; it belongs to itself, with no identification and only a memory of what it DID belong to, but doesn't anymore. The door lost the idea it was attached to and has been re-assigned its original idea- A single replacement door, with a dent in it that needs to be removed. It cannot be Vern's Volvo's door because the idea of Vern's Volvo has been already rectified by a replacement door that's assumed the position in that idea.

So in short, Vern's still driving his Volvo because the Idea of Vern's Volvo itself never changed, and Grace has a pile of scrap that she could use to build her own Volvo and we'd have to deal with Grace's Volvo.