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Intro to Philosophy: Reason and Truth (Lec. 3)

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Dustin Stokes

Lecture 3 The ontological ArgumentThe ont Argument attempts to prove the existence of God simply on the basis of the concept or idea of GodSt A gives a deductive argument Gives premises in a way that assuming the premises are true his conclusion must be rightA reductis ad absurdum argument assume an aspect of opponents argument leads to an absurdityie suppose after a long night you and I are having an argument Were arguing about square circles One person thinks that square circles are not To prove the drunk idiot wrong emply the reduction argument assume your position to show how it leads to an absurdity Four aspects of the argument ALL SQUARES HAVE 4 SIDES by definition All circles have no sides by definition Suppose square circles are possible Square circles have 4 sides because of first true premise Square circles have no sides because of second true premise So how can anything have both 4 sides and no sides Its absurd So assume other persons position momentarily in order to lead them to a contradictionThese arguments indirectly prove their conclusions they conclude with P by showing problems with logical opposite A reduction argument challenges the opponent by assuming the position of the opponent eg assuming sqare circles are possible then shows how this assumption leads to an absurdityAnselms ontological argument is a reduction ad absurdum argumentII The argumentSt Anselmth11 C philos and theologyBenedictine MonkAnselm was dissatisfied with previous arguments given for existence since they failed to secure a conclu That the right kind of God existsAnns ids these attributes as good making attributes as perfections moral goodness knowledge and powerThe concept of god characterizes as possessing as much of these perfections as possibleThis captures a fairly familiar notion of God that applies to numerous religionsGod is something than which nothing greater can be thought
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