I thought of a simpler way to say it.
If Hillary Clinton was a man, she wouldn’t be Bill Clinton’s wife. She’d be his husband.
Similarly, if PA proved that 6 was prime, it wouldn’t be PA. It would be Bill Clinton’s husband. And so ZF would not imply that 6 is actually prime.
I thought of a simpler way to say it.
If Hillary Clinton was a man, she wouldn’t be Bill Clinton’s wife. She’d be his husband.
Similarly, if PA proved that 6 was prime, it wouldn’t be PA. It would be Bill Clinton’s husband. And so ZF would not imply that 6 is actually prime.