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(no͞o`mənŏn'), in the philosophical system of Immanuel KantKant, Immanuel
, 1724–1804, German metaphysician, one of the greatest figures in philosophy, b. Königsberg (now Kaliningrad, Russia). Early Life and Works
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, a "thing-in-itself"; it is opposed to phenomenonphenomenon,
an observable fact or event; in philosophy the definitions and uses of the term have varied. In the philosophy of Aristotle phenomena were the objects of the senses (e.g., sights and sounds), as opposed to the real objects understood by the mind.
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, the thing that appears to us. Noumena are the basic realities behind all sensory experience. According to Kant, they are not knowable because they cannot be perceived, but they must be thinkable because moral decision making and scientific investigation cannot proceed without the assumption that they exist.



a term widely used in medieval and modern philosophy to signify something that can be perceived by the mind, unlike the phenomenon, which is given in experience and is perceived through the senses.

References in periodicals archive ?
Since Kant admitted the indispensable role of the sense experience in the formation of knowledge, noumenon has to remain unknowable, as by its very nature it lies beyond the sense experience.
Ultimate Reality, Pure Consciousness, Absolute Truth, Beauty, Love, Being, God, One, Brahman, Sunyata, Nothingness, Non-Duality, Noumenon, etc.
He then invokes the Kantian distinction between noumenon and phenomenon as the basis for his religious pluralism, arguing that God, or "the Real, " transcends all of the various personae (divinities) and impersonae (nonpersonal ultimate realities) of religious history.
Thus, in Plato's terminology, the phenomena that constitute the symptoms, signs, and laboratory findings evoke the noumenon we name the disease.
Una caracteristica vital de la observacion de Plessner es su rechazo de cualquier estructura del si mismo basada ontologicamente, que pueda --para usar terminologia idealista -- contrastar al homo noumenon con el horno phenomenon; un contraste que ha permanecido igualmente virulento en el marxismo y en el psicoanalisis.
The XMpLant technology, developed in conjunction with Noumenon Consulting Limited, will allow the translation of 3D PDS models into AVEVA's VANTAGE PDMS environment complete with their intelligent data.
Al-Attas makes clear that epistemology reflects ontology, for the "very essence" of man as the "epitome of Creation" is his "rationality which is the connecting link between him and Reality," (95) and hence the noumenon can be known, in contrast to Kant, for whom knowledge can only be of phenomena.
Although Kant had claimed that the noumenon "was not an object of our sensible intuition," he did argue that it was "an object of non-sensible intuition," (13) i.
For Kant, the noumenon or that which is `thought' is the being in itself of the world of which we can learn and know nothing because our knowledge, which supports learning, is limited to the phenomenon, what appears.
Unlike the Parmenidean/Platonic version of Being as the ground of Becoming, the Heraditean noumenon is the agon--the "strife ofopposites" that "gives birth to all that comes to be" in the sense of "coming-to-be and passing away, a structuring and destroying, .
In this sense, critics' hope to get closer and closer to the noumenon is merely a wishful thinking: no one has been able to give any definite solution to the problem endemic to critical activities.
Consider, for example, the 1940 poem "Landscape with Boat," in which an "anti-master man, floribund ascetic," having jettisoned religion, devotes his life to a quest for the noumenon at the profoundest middle of things, a pure central truth beyond all phenomenal distractions: