4 ideas
10121 | Contradiction is not a sign of falsity, nor lack of contradiction a sign of truth [Pascal] |
12714 | The substantial form is the principle of action or the primitive force of acting [Leibniz] |
12743 | A true being must (unlike a chain) have united parts, with a substantial form as its subject [Leibniz] |
8886 | Being a true justified belief is not a sufficient condition for knowledge [Gettier] |