A common carrier-battleship hull is only a theoretical possibility

Can an aircraft carrier and a fast battleship share a common hull design from the start without compromises?

Possibly in theory, but the discussion does not establish a concrete compromise-free design.

A shared hull is possible in theory, but the response stops at that qualification. No specific armor, machinery, or internal-layout scheme is developed, so the exchange cannot support a detailed common-hull blueprint. The idea remains a theoretical possibility rather than evidence that one design could serve both roles efficiently.