1. The main or fundamental assertion, argument, or contention in a discussion, legal case, academic work, or any debate
The core claim of the plaintiff's lawsuit is that the company violated consumer protection laws.
A alegação central da ação judicial do autor é que a empresa violou as leis de proteção do consumidor.
2. The essential or most important point that forms the basis of a theory, hypothesis, or proposal
The researcher's core claim is that climate change has accelerated species extinction rates.
A alegação central do pesquisador é que a mudança climática acelerou as taxas de extinção de espécies.