Sacramentum Mundi Online

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(1,045 words)

Irrationalism is the doctrine which holds that reality, in whole or in part, is not amenable to the conceptual thought of the intellect, or to reason or the spirit in general. Reality is said to be wholly incomprehensible or basically attainable only by acts independent of the intellect, such as feeling, experience, intuition, love, sympathy, attunement, faith, instinct or action.

1. The main forms of irrationalism. (i) The irrationalism which derives from nominalism and empiricism holds that it is impossible to have rational knowledge of the essence and meta…

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Klaus Riesenhuber, “Irrationalism”, in: Sacramentum Mundi Online, General Editor Karl Rahner, SJ. Consulted online on 29 February 2024 <>
First published online: 2016

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