Full Idea
At bottom eternal truths are all conditional, saying 'granted such a thing, such another thing is'.
Gist of Idea
At bottom eternal truths are all conditional
Source
Gottfried Leibniz (New Essays on Human Understanding [1704], 4.11.14), quoted by Alan Musgrave - Logicism Revisited §4
Book Reference
-: 'British Soc for the Philosophy of Science' [-], p.110
A Reaction
Thus showing Leibniz to have sympathy with the if-thenist view. He cites geometry as his illustration.