system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: If a president has already served his 2 term limit, become Vice President, and then the President dies. Who would take on the Presidency?

Follow up: If you begin as a Vice President and the president dies and you take over, does that count as a term? How many terms after that could you serve?
gpt
The Twenty-Second Amendment prevents someone being *elected* to a third term as President, so it shouldn't stop him serving as President after being elected as Vice President.

However, the Twelfth Amendment says that "no person constitutionally ineligible to the office of President shall be eligible to that of Vice-President". It's not clear whether that means that a two-term President can't be elected as Vice President at all, since none have ever tried to stand. Is a two-term President ineligible to the office of President, or just ineligible to be elected to that office again?

That aside, the Speaker of the House is next in line to take on the Presidency after the Vice President.