Translation guide
The logical principle that a thing is the same as itself (A = A). In Japanese, this is expressed as a fixed philosophical term.
The philosophical or logical law that everything is identical to itself.
Standard term in logic and philosophy.
同一律は「AはAである」と表現される。
The law of identity is expressed as 'A is A.'
Alternative phrasing, literally 'principle of identity'.
同一性の原理は論理学の基本である。
The principle of identity is fundamental to logic.