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Arnauld vs Malebranche on Ideas and Vision in God

Peter Adamson examines the dispute between Malebranche and Arnauld over whether ideas are representations seen in God or direct acts of the mind.

A Stoa brief of an episode from History of Philosophy Without Any Gaps

HoP 491 Image Problems: Arnauld vs Malebranche on Ideas

Published 19 min

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The brief

Peter Adamson lays out a dispute between two seventeenth century philosophers over how the mind grasps its objects, and argues that both sides face genuine trouble. Malebranche holds that ideas are representative beings we perceive in the mind of God. Arnauld holds that an idea is simply a perception, a direct and active grasp of its object with no representational go-between.

Malebranche's reasoning starts from the character of ideas themselves. They are clear, universal, necessary and infinite, and nothing finite, neither a body nor a human mind, could produce features like that. So God must be their source, and thinking about something amounts to apprehending the corresponding idea as it exists in God. Adamson connects this to Malebranche's occasionalism: just as God alone causes the cotton to burn, God alone causes and presents our ideas, though the regular pairing of our attention with a thought makes it feel as if we produced it ourselves.

Arnauld, in On True and False Ideas, rejects the whole apparatus. Objects become present to the mind, in his terms objectively present, without any image or intermediary, and he presses this even into the mechanics of vision, denying that we see a retinal picture rather than the object itself. He also insists thinking is active, an operation of understanding and grasping, not a passive reception of a form stamped on the mind, a charge he levels at Malebranche and the Scholastics alike. Adamson shows how Arnauld squares this with his earlier Port-Royal Logic, which calls ideas forms in the mind, through the notion of extrinsic denomination: the same giraffe can be described as an object of perception without that description adding any representational entity to the mind.

The sharpest objection comes from Simon Foucher, who presses Malebranche on how an idea in God could ever be shown to resemble a body, given that Malebranche already denies ideas resemble bodies in respects like color or heat. Arnauld's direct realism, in turn, still owes an account of illusion and error. Adamson leaves the dilemma open: representationalism risks cutting us off from the world, direct perception risks explaining too little. The conversation closes the miniseries on Malebranche and turns next toward Spinoza and other neglected French currents.

Strongest arguments

Representationalism versus direct perception is a genuine dilemma

1:52

Adamson frames the debate as one where both possible answers face serious problems. If perception works through mental representations, we seem cut off from direct contact with the world, raising skeptical worries. But if perception is direct, it becomes hard to explain illusions or thoughts about non-existent things.

Malebranche: ideas are representations we see in God

5:05

Malebranche argues that ideas are clear, universal, necessary and infinite, so they cannot arise from bodies or be innate in a finite mind. Since only God could be the source of such ideas, when we think of something we actually apprehend the idea as it exists in God's mind, a view he traces to Augustine's illumination theory though he claims to differ in the details.

Malebranche ties this theory to occasionalism

8:28

Just as Malebranche holds that God, not fire, truly causes cotton to burn, he holds that God, not our own attention or will, truly causes our ideas. We mistakenly think our desire produces our thoughts because the two regularly co-occur, but the real causal and epistemic work is done by God.

Arnauld denies any representational intermediary is needed

12:34

Arnauld argues that objects become objectively present to the mind without any intermediary image or representation, rejecting Malebranche's claim that the objects of the mind must somehow be present to it. He extends this even to eyesight, arguing that we do not see the retinal image but the object itself through the mechanism of the eye and brain.

Arnauld holds that thinking is active, not passive reception

11:57

Arnauld charges Malebranche, along with the Scholastics, with treating the mind as merely passive, receiving a picture or form of what it thinks about. He insists thinking is active: the mind understands, strives for, frames and grasps its object rather than merely receiving a representation of it.

Arnauld reconciles his view with the Port-Royal Logic through extrinsic denomination

14:25

The Port-Royal Logic, written with Nicole, calls ideas forms in the mind, apparently conflicting with Arnauld's later rejection of that view. Adamson explains the two texts can be reconciled by distinguishing the giraffe in itself from the same giraffe considered as an object of perception, a distinction Arnauld calls an extrinsic denomination.

Foucher presses the skeptical problem for Malebranche's theory

16:12

Simon Foucher argues that if our ideas are only ideas in God rather than the external objects themselves, we have no basis to judge that those ideas correspond to the objects, since Malebranche himself denies that ideas resemble bodies in respects like color or heat. Adamson concludes that Malebranche, like other 17th century representationalists, lacks a convincing account of how ideas manage to represent their objects at all.

Disagreements

Whether ideas are representations seen in God or direct mental acts

10:48

Malebranche holds that ideas are representative beings and that thinking about something amounts to seeing the corresponding idea in God's mind, since finite minds cannot generate universal, necessary, infinite ideas on their own. Arnauld rejects this, arguing that an idea is simply a perception, a modification of the mind that grasps its object directly and actively without any representational intermediary or divine mediation.

Whether thinking is passive reception or active grasping

11:57

Malebranche's occasionalism implies that the mind receptively receives ideas presented to it by God. Arnauld insists, against Malebranche and the Scholastics, that thinking is an active operation in which the mind strives for, frames and grasps its object rather than merely receiving a picture of it.

Whether Malebranche's theory or Arnauld's theory better withstands the threat of skepticism

14:58

Malebranche argues that representationalism explains illusion and error better than Arnauld's direct realism can. Arnauld and, more forcefully, Simon Foucher argue in reply that Malebranche's own view generates a deeper skepticism, since ideas seen in God cannot be shown to correspond to external objects at all.

Concepts discussed

  • occasionalism The theory that created things are not genuine causes but only occasions on which God directly produces effects.
  • Skepticism The philosophical position that we should suspend judgment because certainty about the external world, or about the correspondence of our ideas to it, cannot be established.

Philosophers and works discussed

  • Arnauld
  • Malebranche
  • Simon Foucher
  • Descartes
  • On True and False Ideas By Arnauld.
  • Search for the Truth By Malebranche.

Questions this episode answers

  • What is Malebranche's theory that we see all things in God?

    4:27

    Malebranche holds that ideas are clear, universal, necessary and infinite, and so cannot arise from bodies or a finite human mind, so they must come from God. When we think of something, we are actually apprehending the idea as it exists in God's mind, a view he adapts from Augustine's theory of illumination and links to his occasionalism.

  • How does Arnauld respond to Malebranche's theory of ideas?

    9:36

    Arnauld argues in On True and False Ideas that no representational intermediary is needed for thought, since objects become objectively present to the mind directly. He mocks Malebranche's picture of the soul needing to fly to the heavens to grasp the sun, and insists thinking is active rather than a passive reception of representations.

  • What does objective presence mean in 17th century philosophy of mind?

    10:48

    Objective presence means that something features as an object in the mind, not that it is independent of subjective judgment as the modern sense of objective would suggest, and not that it must be spatially present. Arnauld uses this notion to argue that the mind can grasp bodies without needing them, or representations of them, literally present to it.

  • How does representationalism about ideas lead to skepticism?

    2:29

    If we only ever grasp representations rather than things themselves, we risk being cut off from the world, as if we only saw pictures of things and never the things themselves. Simon Foucher presses this point against Malebranche, arguing that since ideas in God do not resemble external bodies, there is no way to establish that our ideas correspond to those bodies at all.

  • What is Arnauld's extrinsic denomination and how does it resolve his apparent inconsistency?

    14:25

    Arnauld distinguishes the giraffe existing outside the mind from the same giraffe considered as an object of perception, calling the latter an extrinsic denomination, something added to the thing from outside by the act of perceiving it. This lets him say ideas are forms in the mind, as the Port-Royal Logic does, while denying, as On True and False Ideas does, that ideas are representative intermediaries distinct from their objects.

  • Why does Malebranche reject Descartes's theory of innate ideas?

    6:50

    Malebranche argues that the mind cannot be the source of its own ideas because generating an idea it does not yet have would be circular, unlike a carpenter who already has the idea of a table before making one. He also holds that ideas are necessary, universal and infinite, features no finite human mind could originate, so only God can be their source.

Sources

  1. History of Philosophy Without Any Gaps, HoP 491 Image Problems: Arnauld vs Malebranche on Ideas Podcast episode, original episode