Gottfried Leibniz

There are also two kinds of truths: truth of reasoning and truths of fact. Truths of reasoning are necessary and their opposite is impossible; those of fact are contingent and their opposite is possible.
There are also two kinds of truths: truth of reasoning and truths of fact. Truths of reasoning are necessary and their opposite is impossible; those of fact are contingent and their opposite is possible.
Rotate quotes
contingent  fact  impossible  

These are some quotes by German author Gottfried Leibniz Philosopher, who lived between July 1, 1646 and November 14, 1716.