Two things are identical if one can be substituted for the other without affecting the truth.


'Table de définitions' (1704) in L. Coutourat (ed.) Opuscules et fragments inédits de Leibniz (1903)

Gottfried Wilhelm Leibniz Quotes

Two things are identical if one can be substituted for the other without affecting the truth.

Two things are identical if one can be substituted for the other without affecting the truth.

Two things are identical if one can be substituted for the other without affecting the truth.

Two things are identical if one can be substituted for the other without affecting the truth.