Labor (2) Vision (2) Intellect (2) Experience (2) A priori (2) Invariantes (2) Estudio (2) Experiencia (2) Vista (2) Inteligencia (2) Trabajo (2) A priori (2) Conocimiento (2) constitution (2) Trials (1) Time (1) Semantics (1) Science--Philosophy (1) Science (1) Production (Economic theory) (1) Physics (1) Philosophy (1) Philosophers (1) Perception (1) Nature (1) Myth (1) Mathematics (1) Knowledge, Theory of (1) Justification (Christian theology) (1) Idealism (1)