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 (ĭn′to͞o-ĭsh′ə-nĭz′əm, -tyo͞o-)
n. Philosophy
1. The theory that certain truths or ethical principles are known by intuition rather than reason.
2. The theory that external objects of perception are immediately known to be real by intuition.
3. The view that the subject matter of mathematics consists of the mental or symbolic constructions of mathematicians rather than independent and timeless abstractions, as is held in Platonism.

in′tu·i′tion·ist n.


(ˌɪntjʊˈɪʃəˌnɪzəm) or


1. (Philosophy) (in ethics)
a. the doctrine that there are moral truths discoverable by intuition
b. the doctrine that there is no single principle by which to resolve conflicts between intuited moral rules. See also deontological
2. (Philosophy) philosophy the theory that general terms are used of a variety of objects in accordance with perceived similarities. Compare nominalism, Platonism
3. (Logic) logic the doctrine that logical axioms rest on prior intuitions concerning time, negation, and provability
4. (Logic)
a. the theory that mathematics cannot intelligibly comprehend the properties of infinite sets, and that only what can be shown to be provable can be justifiably asserted
b. the reconstruction of mathematics or logic in accordance with this view. Compare formalism, logicism, finitism
5. (Philosophy) the doctrine that knowledge, esp of the external world, is acquired by intuition
ˌintuˈitionist, ˌintuˈitionalist n


(ˌɪn tuˈɪʃ əˌnɪz əm, -tyu-)

1. the doctrine in ethics that moral values and duties can be discerned directly.
2. (in metaphysics)
a. the doctrine that in perception external objects are given immediately, without the intervention of a representative idea.
b. the doctrine that knowledge rests upon axiomatic truths discerned directly.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.intuitionism - (philosophy) the doctrine that knowledge is acquired primarily by intuition
philosophy - the rational investigation of questions about existence and knowledge and ethics
philosophical doctrine, philosophical theory - a doctrine accepted by adherents to a philosophy
References in periodicals archive ?
Narveson argues, convincingly if unoriginally, that it doesn't, since 1) intuitionists disagree about what moral 'facts' can be intuited and 2) there is no rational way to resolve their disagreement.
In his valuable monograph, Reasons & the Good, Roger Crisp follows other contemporary intuitionists in holding that certain fundamental normative principles are self-evident and knowable by intuition while trying to divest these views of metaphysical and epistemological excess (ch.
He attempts to show that "Kant and other philosophers who have produced major ethical theories built around a master principle have had too little faith in intuitive everyday moral judgment; Ross and other intuitionists have had too little faith in comprehensive ethical theory" (p.
What would the supervenience of moral properties and their conceptual autonomy from at least total nonmoral properties entail not only for Intuitionists, who "knew this all along," but for all moral realists, that there are synthetic necessary moral principles?
Kant and other systematic philosophers who have done moral philosophy in the grand style have had too little faith in intuitive singular moral judgement; Ross and other intuitionists have had too little faith in comprehensive moral theory.
The same applies to those relatively abstract entities--classes and classes of classes and so on up--which constitute the object domain of mathematical reasoning, and whose status has long been a topic of dispute among Platonists, conventionalists, intuitionists, and others.
She rejects the Idea; and we should pause to note that virtually all intuitionists have rejected act utilitarianism.
At the same time, the terrain of moral epistemology (approached as a subfield of metaethics) needs to be reshaped by the realization that externalists can steal the thunder of intuitionists when it comes to knowledge constituted by seemingly self-evident beliefs.
7) Moore, in fact, is at pains to distinguish himself from those intuitionists who claim that the rightness of certain actions is self-evident and incapable of proof through inquiry into what results from such actions.
But no one discounted it, including Methodist enthusiasts, Mormon supernaturalists, and Transcendentalist intuitionists.
Ever since Henry Sidgwick's critique of the morality of "common sense," intuitionists have been chary of proclaiming categorical or absolute moral obligations--which is why they all embrace W.
This led many of the British Intuitionists to attempt to formulate a small number of more general ethical principles which would cohere with our intuitive ethical judgments about individual cases.