 For him truth is the apex of a teleological process, whose more abstract and elementary forms are the theoretical perspectives worked out by the natural and human sciences, while its most concrete, fully blown aspect coincides with the self-reflective activity of metaphysical thought.The elements of his metaphysics show the acknowledged influences of Spinoza's rationalistic monism, Hegel's absolute idealism, Collingwood's logic, and Joachim's coherence theory of truth.He wrote