the empiricists: berkeley immaterialism
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The Empiricists: Berkeley Immaterialism. 1. Introduction: Berkeley, The Dialogues. Outline. 2. Esse est percipi vs. Representationalism. 3. Against Representationalism. 4. Against the material substance. 5. Conclusion. Introduction Berkeley. Berkeley’s life : 1685 – 1753 - PowerPoint PPT PresentationTRANSCRIPT
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The Empiricists: BerkeleyThe Empiricists: Berkeley
ImmaterialismImmaterialism
Soazig Le Bihan - University of Montana
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OutlineOutline
Soazig Le Bihan - University of Montana
1. Introduction: Berkeley, The Dialogues
2. Esse est percipi vs. Representationalism
3. Against Representationalism
4. Against the material substance
5. Conclusion
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IntroductionIntroductionBerkeleyBerkeley
Soazig Le Bihan - University of Montana
Berkeley’s life: - 1685 – 1753- Irish, Trinity College, Anglican priest, Travel (Europe and US), Bishop of Cloyne
Main works:- The Principles and the Dialogues- De Motu, Theory of Vision
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IntroductionIntroductionBerkeley’s philosophyBerkeley’s philosophy
Soazig Le Bihan - University of Montana
The Dialogues: - Characters: Hylas and Philonous- Rules and advantages of dialogues in philosophy
Berkeley’s philosophy- Religion - Against speculative philosophy and skepticism- Empiricism and Common Sense - Immaterialism and Idealism
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OutlineOutline
Soazig Le Bihan - University of Montana
1. Introduction: Berkeley, The Dialogues
2. Esse est percipi vs. Representationalism
3. Against Representationalism
4. Against the material substance
5. Conclusion
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Esse est percipi vs RepresentationalismEsse est percipi vs RepresentationalismEsse est percipiEsse est percipi
Soazig Le Bihan - University of Montana
The only way things exist is in so far as they are perceived. To be is to be perceived
Berkeley’s argument:
P1 Ordinary objects exist, and only ordinary objects exist
P2 Ordinary objects = sensible things = what we perceive through the senses = combinations of sensible qualities
CC: Only combinations of sensible qualities exist.
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Esse est percipi vs RepresentationalismEsse est percipi vs RepresentationalismThe Representationalist’ objectionThe Representationalist’ objection
Soazig Le Bihan - University of Montana
Not only sensations and ideas, but also external objects exist, as mind-independent beings.
Question about P2: Do we perceive only combination of sensible qualities?
Representationalism:- Direct perception of sensible qualities – mind dependent- Indirect perception of external objects – mind independent
Core of the view: Distinction Primary vs Secondary qualities
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OutlineOutline
Soazig Le Bihan - University of Montana
1. Introduction: Berkeley, The Dialogues
2. Esse est percipi vs. Representationalism
3. Against Representationalism
4. Against the material substance
5. Conclusion
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Against RepresentationalismAgainst Representationalism11stst Objection: Pleasure and Pain Objection: Pleasure and Pain
Soazig Le Bihan - University of Montana
Secondary qualities do not belong to external objects and exist within the mind only.
The objection: (cf. Locke!)
P1 Heat and Pain perceived at the same time, the same way
P2 Either both belong to external objects, or both exist only in the mind
P3: Pain does not belong to external objects
CC: Heat does not belong to external objects
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Against RepresentationalismAgainst Representationalism22ndnd Objection: Unobservable Causes Objection: Unobservable Causes
Soazig Le Bihan - University of Montana
One cannot be empiricist and representationnalist at the same time!
The objection:
P1 Empiricism: all knowledge comes from experience, we cannot postulate the existence of unobservable entities
P2 Representationalism: postulates unobservable causes for our sensations -Example of the real sound that is never heard
CC: Representationalism conflicts with empiricism
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Against RepresentationalismAgainst Representationalism33ndnd Objection: Relativity Objection: Relativity
Soazig Le Bihan - University of Montana
The distinction between primary and secondary qualities is undermined!
The objection:
- Relativity of secondary qualities – taste – Which one is the true one?
- Relativity of primary qualities – extension – Which one is the true one?
CC: All qualities, primary and secondary are but sensations in our minds
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Against RepresentationalismAgainst RepresentationalismConclusionConclusion
Soazig Le Bihan - University of Montana
Berkeley has shown that: (1)Representationalism is conflicting with empiricism and common sense(2)The pillar of representationalism, i.e. the distinction between primary and secondary qualities, is problematic(3)Both primary and secondary qualities exist only in our minds
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OutlineOutline
Soazig Le Bihan - University of Montana
1. Introduction: Berkeley, The Dialogues
2. Esse est percipi vs. Representationalism
3. Against Representationalism
4. Against the material substance
5. Conclusion
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The Material SubstanceThe Material SubstanceHylas’ retreatsHylas’ retreats
Soazig Le Bihan - University of Montana
Metaphysical postulation of a material, mind-independent substratum.
Material substance: unknown, unobservable, unconceived (mind-independent) material substance
Material substance: cause of our sensations
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An Unconceived Material SubstanceAn Unconceived Material Substance11stst Objection: The “Master Argument” Objection: The “Master Argument”
Soazig Le Bihan - University of Montana
The notion of an unconceived material substance conflicts with Empiricism
Hylas’ retreat: unknown, unobservable, unconceived (mind-independent) material substance
The Master argument:We cannot conceive of an unconceived thing.
Evaluating the Master argument:- Representans vs representatum - Empiricism
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An Unconceived Material SubstanceAn Unconceived Material Substance22ndnd Objection: The “Likeness Argument” Objection: The “Likeness Argument”
Soazig Le Bihan - University of Montana
The notion of an unconceived material substance conflicts with representationalism.
The Likeness argument:P1: Representationalism: ideas resemble the things they representP2: Likeness Principle: Ideas cannot resemble anything but other ideasCC: The idea of an unconceived material substance is a contradictory notion
Hylas’ retreat: unknown, unobservable, unconceived (mind-independent) material substance
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The Material Substance as a CauseThe Material Substance as a Cause11stst Objection: Matter cause of Thought? Objection: Matter cause of Thought?
Soazig Le Bihan - University of Montana
Matter cannot cause thoughts
The objection:
P1 Matter = extended, solid, moveable, unthinking substanceP2 Thought = unextended, not solid, not moveable, thinking substance Causal process?
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The Material Substance as a CauseThe Material Substance as a Cause22ndnd Objection: Can Matter cause anything? Objection: Can Matter cause anything?
Soazig Le Bihan - University of Montana
Contradictory notion of an inactive entity being the origin of causal processes.
The objection:
P1 Matter = inert
P2 To be a cause takes to be active
CC : inert matter cannot cause anything at all
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The Material SubstanceThe Material SubstanceConclusionConclusion
Soazig Le Bihan - University of Montana
Berkeley has shown that postulation the existence of a unknown material substance:
(1)is conflicting with empiricism and common sense(2)leads to conceptual problems(3)does not have any explanatory power
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OutlineOutline
Soazig Le Bihan - University of Montana
1. Introduction: Berkeley, The Dialogues
2. Esse est percipi vs. Representationalism
3. Against Representationalism
4. Against the material substance
5. Conclusion
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Berkeley’s ImmaterialismBerkeley’s ImmaterialismConclusionConclusion
Soazig Le Bihan - University of Montana
Berkeley has argued against the existence of absolute, mind-independent beings:
(1)Epistemology: representationalism (2)Metaphysics: material substance
It remains to see how we can do without it!