other self; other mind; alter ego
Philosophical term referring to the self or mind of another person, often discussed in the context of the problem of other minds.
The problem of other minds is one of the important themes in philosophy.
彼は他我の存在を疑う懐疑論を展開した。
He developed a skeptical argument doubting the existence of other selves.
Compound of 他 (た, 'other') and 我 (が, 'self'). The term is used in philosophical contexts to discuss the existence and nature of other minds.