Philosophy A-Level
Leibniz's Law
What Leibniz's Law means in Philosophy A-Level, as defined for AQA.
Definition of Leibniz's Law
The principle of the indiscernibility of identicals: if two things are identical, they must share all the exact same properties.
Topics that use Leibniz's Law
- Metaphysics of mind (AQA A-Level)
Related terms
- Category Mistake
- Eliminative Materialism
- Epiphenomenalism
- Folk Psychology
- Functionalism
- Multiple Realizability
- Non-reductive Physicalism
- Property Dualism
Using Leibniz's Law in the exam
Definition questions usually carry one or two marks, and examiners look for the precise wording. Write the definition from memory, check it against the version above, and then use the term in a longer answer on the same topic so it sticks.
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