1. Ontology: the study of being itself.
2. First Philosophy: The study of first principles that govern all being.
3. Natural Theology: What we can know about God through the natural line of reason.
Hegel denies the principle of non-contradiction.
Descartes and Kant separate themselves from things, therefore cannot see God through things.
Hume's, constant conjunction.
Essences do not change, debunking Darwinism. Darwinism is a denial of the principle of sufficient reason. Marxism, Eugenics, Gender Theory are based on Darwinism.
The Metaphysics of Evolution
Father Ripperger's Website