El ser I: la existencia extramental
El ser I: la existencia extramental (Being I: Extra-mental Being) was first published in 1966. In this book, Leonardo Polo develops the first dimension of the abandonment of the mental limit. This dimension opens up the thematic fields of metaphysics including the created act of being of the universe understood as principle of non-contradiction and the principle of transcendental causality. Both these principles are seen as distinct from, but compatible with the principle of Identity, which is God the Creator. These three principles (the principle of non-contradition, the principle of causality, and the principle of identity) form what Polo calls the axioms of metaphysics.
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