Idealism is the metaphysical belief that reality is immaterial and based upon mental constructs.

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Objection to Berkeley's Master Argument

The Master Argument (roughly) states that it is not possible for sensible objects to exist without a mind. Now part of Berkeley's Argument goes as follows: Suppose something exists without being ...
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Is the difference between logical possibility and physical possibility an argument against Idealism?

In typical sci-fi scenarios, the characters realize that they are living in a simulation, or that everything is a dream, etc....once they notice that the laws of physics don't always hold, or that ...
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Logical Inference and Idealism/Phenomenalism

I recently read a passage from Kenneth R. Westphal's Realism, Science, and Pragmatism that read: Or imagine, following Stout (1938-39), someone in a room which is supported by foundations which no ...
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Why do current academics refuse to acknolwedge idealism as viable?

Berkeley is often sited as the "ideal" of idealism. Most of the academic arguments attack his various points, but his finer points seems to escape the academic community. Kant gives some effort in ...
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How can there be idealism without God?

In Berkeley's idealism God holds the world together, enabling us to avoid chaos and experience a shared, orderly reality. But Schopenhauer is an idealist and an atheist. How can we then explain the ...
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Kant and Error in his Transcendental Idealism

How would Kant handle errors in our perceptions of the world in his transcendental idealism? If what is external to us is so heavily meditated and contributed to by our mental apparatuses, how do you ...
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Why should we consider Wittgenstein a Schopenhauerian idealist?

About the Tractatus, while explaining the similarities and differences between Wittgenstein and Kant with regard to the metaphysics, on the one hand (both track limits, according to which we cannot ...
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Kant's Transcendal Idealism and Empirical Realism

This confuses me. Transcendental idealism and an empirical realism seem to contradict each other; how can you believe in an empirically observable mind-independent reality (which I would presume would ...
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Is there a term for this poor idealist argument?

I am engaged in the neverending disagreement with someone who argues, based on theory-ladenness, that there are no facts. Seems like they implicitly make the following moves, without explicitly ...
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Have any thinkers applied empiricism to the dreaming and deep sleep states?

The Mandukya Upanishad is a philosophical text found in the Vedas, which are among the most important scriptures of Hinduism. Here is what V. Subrahmanya Iyer says in a foreword to a translation of ...
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Can a rationalist ever be a materialist?

Note that I am using rationalist in its strict philosophical sense, as in rationalist like Descartes or Leibniz, not rationalist as it might be understood colloquially. from the Encyclopedia ...
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Why are Idealists not entitled to believe in laws of nature?

Source: p 120, Philosophy: A Complete Introduction (2012) by Prof Sharon Kaye (MA PhD (Philosophy), U. Toronto). The following question appears in Chapter 8 entitled Hume and causality. Which ...
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Is German idealism ontological, epistemic, or something more abstract?

On one hand Kant's transcendental idealism seems purely ontological: His noumena/phenomena distinction is essentially a form of dualism. Add to that: Marx considered himself a materialist in ...
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How might an idealist explain the empirical success of science?

In the miracles argument for scientific realism it is said that our best theories are extraordinarily successful: they facilitate empirical predictions, retrodictions, and explanations of the ...
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How are epistemological and ontological realism related?

The SEP article on idealism begins: ... [this article] examines the relationship between epistemological idealism (the view that the contents of human knowledge are ineluctably determined by ...
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How is Kant's transcendental idealism related to Berkeley's subjective idealism?

My understanding is that Berkeley considered the outside world to have no existence at all, and took the statement "It's all in the mind" literally, whereas Kant argued that the outside world exists ...
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Does idealism allow for thought without any sensory input?

As I understand, idealism is the view that the mind is fundamental and the body as well as the world we perceive are just derivatives of the mind. Is this right? If so, if we had a hypothetical being ...
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Is beauty about materialism or idealism [closed]

I have a question about the proverb: "Beauty is in the eye of the beholder". In this proverb, is beauty a materialist concept or an idealist concept, and why? In my opinion, the concept of beauty ...
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Are consistent solipsists limited to the singular when referencing themselves?

If you are an Idealistic Solipsist, is it not true that you must say "I am a Solipsist." or "I am the Solipsist."? One cannot say "I am one of the Solipsists" for example. Are there other ...
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Berkeley's idealist view of physical objects

Berkeley sees objects as a set of ideas. His strict view on objects allows for cases like his relativity of perception argument (where a bucket of water can be both warm and cold, one person can find ...
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How would Kant defend the concept of the noumenon against Berkeley's charge?

Berkeley asserts that it is meaningless to speak of things-in-themselves that are not subject to human evaluation. Given that, no ampliative judgements can be made by postulating a causal relation ...
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Saussure and idealism

If terms are arbitrary designations like Saussure says then does semantic idealism [language does not refer beyond itself] not collapse into scepticism?
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German philosophers on (french) revolution

I'm reading an essay written by the Italian philosopher Remo Bodei, where he examines the thoughts of some German philosopher on the french revolution and revolutions in general. According to him, ...
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Kant's thing(s) in themselves and atomic physics

In answer to someone's question regarding Kant's idealist view of space vs. modern science, someone referred to the dichotomy between a cup as normally perceived and a cup as a collection of atoms. If ...
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What should I read before reading Hegel's “Phenomenology of Spirit”?

Are there some writings that I should make myself familiar with beforehand, in order to rightly understand Hegel's Phenomenology of Spirit? I am thinking of works like Spinoza's Ethics German ...
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How materialism can be consistent in the context of qualia and simplicity?

Apologies for my English. Some thoughts from the camp of idealists. :) The following is the explanation of the question in the title. I think that the fact that in our days physicists may be ...
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If the Platonic world exists how would we know?

If we assume existence of a non-material world of ideas that mathematics describes there are some questions that a Platonist has to address. 1) How is the ideal world related to the real one, where ...
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What are the rebuttals (if any) to Berkeley's dismissal of “primary qualities”?

I am rereading Berkeley's Three Dialogues between Hylas and Philonous and am curious about any subsequent works which actively rebut his dismissal of primary qualities. From the first dialogue: ...
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What exactly does Pierce is trying to argue here?

This paragraph from SEP under the sub-heading Pierce on Reality and Truth: We can then think of the real only as the cause of the (singular) sensations which, in turn, provide our sole ...
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Assuming we live in a simulation, could we ever be in a position to fully understand it?

1 The simulation is an enviroment, defined and potentially fully controlled by some external entity. 2 The realm is the pool of functions the simulation draws from. For example, Steam's physics ...
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In Kants terminology what differentiates *transcendental apperception* from *empirical apperception*

First, some historical context: The term apperception originates with René Descartes in the form of the word apercevoir in his book Traité des passions. Leibniz introduced the concept of ...
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Transcendental Idealism and past time

According to Kant, time is part of the phenomenal realm. What would Kant say about past events such as the big bang when no minds existed? Would he say we can't know such things?
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What is meant by transcendental idealism?

What exactly is meant by transcendential idealism? Is it simply the idea that we can't possibly observe things-in-themselves directly (like idealism), so (unlike idealism) we know they exist, but not ...
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Is there a known limit to relationship between physics and mathematics?

I am much interested in discussions such as Wigner's "The Unreasonable Effectiveness of Mathematics in the Natural Sciences". It's quite amazing that mathematics so well applies to our universe, and ...
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Why is Hegel more important than Schelling?

I am curious why Hegel became more important than Schelling. First of all, how would Schelling's ideas differ from Hegel's? I read that there are some supernatural elements in Schelling's, but do not ...
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Why does Chalmers' argument about “the hard problem” not entail idealism?

Chalmers famously argues in Facing Up to the Problem of Consciousness: At the end of the day, the same criticism applies to any purely physical account of consciousness. For any physical process ...
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Understanding atheistic idealism [closed]

Berkeley holds the world together by saying it is God's idea. But how can we explain the shared world of experience in an atheistic idealism like Schopenhauer's?
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Why has the philosophy of Bishop Berkeley fallen out of favor in academic philosophy?

I studied George Berkeley as an undergraduate, and though I absolutely loved his work and his philosophy, many of my peers, and even some of my professors, found his philosophy wholly unappealing, ...