Explain what it means to say that mental states are numerically identical to brain states. be careful here. do not claim that they are merely correlated or that one causes the other. clearly explain what it means for them to be numerically identical.

Ruth is 44 years old. at her medical checkup, her doctor notices that ruth's lymph nodes are enlarged. after some blood tests and a ct scan, ruth's doctor diagnoses her with ( ) , a cancer that typically starts in the lymphocytes and can spread to the bone marrow.