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George Berkeley

George Berkeley (Bark'-lee) (March 12, 1685 - January 14, 1753), also known as Bishop Berkeley, was an influential Irish philosopher whose primary philosophical achievement isadvancementwhat has comebe called subjective idealism, summed uphis dictum, "To be isbe perceived." He wrotenumberworks,most widely-readwhichhis Treatise ConcerningPrinciplesHuman Knowledge (1710)Three Dialogues between HylasPhilonous (1713) (Philonous,"lover ofmind", representing Berkeley himself). In 1734 he published The Analyst,critique offoundationsscience, which was very influential insubsequent developmentmathematics.

George Berkeley was bornDysert Castle, near Thomastown, Ireland. He attended Trinity College, Dublin completingmasters degree1707. He remained at Trinity College after completionhis degree astutorGreek lecturer. Inperiod 1714-1720 he interspersed his academic endeavoursperiodsextensive travelEurope. In 1721 he took holy orders, earning his doctoratedivinity,once again choseremain at Trinity College Dublin lecturing this timeDivinityin Hebrew. In 1728 he sailed forAmericas withgoalestablishingcollegeutopian communityBermuda. He landed near Newport Rhode Island where he boughtfarmlive on while he waitedfundshis collegearrive. Howeverfunds were not forthcomingin 1732 he returnedLondon. In 1734 he was appointed BishopCloyne where he remained until 1752, when he retiredwentOxfordlivehis son.

The townBerkeley, Californianamed after him,so, indirectly, isUniversity located there. The pronunciationhis name has however evolvedsuit American tastes.

Tablecontents
1 ContributionsPhilosophy
2 The Analyst Controversy
3 External links

ContributionsPhilosophy

Though bornIreland, Berkeley was very much an American philosopher. WhilewasIreland that Berkeley had his initial insights intoideality ofobjectsperception, his greatest philosophic insights andmost important projectshis life aimed at applying his principles (including his projectfoundutopian societyBermudahis medical enterprises) began onlyhis tripAmerica.

Asyoung man, Berkeley theorised thatobjects we perceive exist precisely asappear tosenses. Objective knowledgepossible becauseperceived object isonly object that exists. Thereno "real" object which issubstratum ofperceived object. Thereno "real" object (no matter) "behind"object as we perceive it, which "causes" our perceptions. All that exists isobject as we perceive it,this isreal object.

Sinceobject we perceive isonly object that exists,objectprecisely asappears and, if we needspeak at all of"real" or "material" object (the latterparticular beingconfused term which Berkeley soughtdispose of), itthis perceived objectwhich all such names should exclusively refer.

This arousesquestion whether this perceived object"objective" insensebeing "the same"our fellow humans,fact if evenconceptother human beings (beyond our perceptionthem)valid. Berkeley argues that since we experience other humans inwayspeakus - something whichnot originating from any activityour own -since we learn that their view ofworldconsistentours, we can believetheir existenceinworld being identical (similar)everyone.

It follows that:

  1. Our perceptionsobjectsall perfectly accurateobjective.
  2. Any knowledge ofempirical world isbe obtained only through direct perception.
  3. Error comes about through thinking about what we perceive.
  4. Knowledge ofempirical worldpeoplethingsactions around us may be purifiedperfected merely by stripping away all thought (and withlanguage) from our pure perceptions.

From thisfollows that:

  1. The ideal formscientific knowledge isbe obtained by pursuing pure de-intellectualized perceptions.
  2. If we would pursue these, we would be ableobtaindeepest insights intonatural world andworldhuman thoughtaction whichavailableman.
  3. The goalall science, therefore, isde-intellectualize or de-conceptualize,thereby purify, our perceptions.

The philosophyDavid Hume concerning causalityobjectivityan elaborationone aspectBerkeley's philosophy. Immanuel Kant mischaracterized Berkeley asradical idealistfalsely claimed that Berkeley's principles make objective knowledge impossible. As Berkeley's thought progressed, he more or less completely assimilated his theoriesthosePlato. The only modern philosophers who adequately appreciatedapplied Berkeley's principles were HumeArthur Schopenhauer.

The Analyst Controversy

In additionhis contributionsphilosophy, Bishop Berkeley was also very influential indevelopmentmathematics, although inrather negative sense. In 1734 he published The Analyst, subtitled A DISCOURSE Addressedan Infidel Mathematician. The infidel mathematicianquestionbelievedhave been either Edmond Halley, or Sir Isaac Newton himself, althoughdiscourse would then have been posthumously addressed as Newton died1727. The Analyst representeddirect attack onfoundationsprinciplescalculus,in particularnotionfluxion or infinitesimal change which NewtonLeibniz had useddevelopcalculus. Berkeley's intention seemshave beendefend religion by showing thatfoundationsnatural philosophy were equally weak. Asconsequence ofresulting controversy,foundationscalculus were rewritten inmuch more formalrigorous form using limits. It was not until 1966, withpublicationAbraham Robinson's book Non-standard Analysis, thatconcept ofinfinitesimal was made rigorous, thus giving an alternative wayovercomingdifficulties which Berkeley discoveredNewton's original approach.

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