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13 Cards in this Set

  • Front
  • Back

At this point in the meditations

what has been doubted or not

Beg of Med 5

-The nature of existence of the mind has never been doubted- mind has never been doubted

-doubted and recovered: God and god's existence and nature (infinite, perfect- recovered in 4th meditation)

-Gods existence recovered in 3rd meditation

Things still in doubt:

- the nature and existence of the external world including one's own body

- don't know whether material things exist and what they are really like

-ORDER he does it in is weird- in med 5 he argues the essence of matter- the nature and what is like but won't argue the existence until med 6

- in med 5 NOTHING to do with the existence of the real- just proves the essence or what it's really like

- math also still in doubt- recovers mathematical truth in med 5


- he now has the method for recovering truth and knowledge though - the TC has been proved and is now guaranteed

- he can affirm anything as true so long as it is a c&d perception

1. Essence of matter (nature) - what it's really like

-He did this before when looking at the wax- but didn't have the TC back then and he inspected the wax with his senses

-He begins with the conceptual idea of body/ matter not through senses

- what is c&d about the idea of body? conceptually, what is body unto itself. What do you C&d perceive about that idea


pg 87 bottom (LBD)

- he c&d perceives that body in general has the nature of extension- LENGTH, BREADTH AND DEPTH

- that is the nature of matter- the extension of matter

- it is by very nature an extension- body/matter is L,B,D. wherever there is that there is body

- wherever there is space there is body. That is the essence of matter

- modes of matter: sizes, shapes, positions

2. Innate Ideas of Essences

- Contemplation of extension and his modes

- C&D knowledge of other things namely geometry and arithmetic

-he has ideas of shapes- shapes may or may not exist outside of him that's still in doubt BUT

- shapes have their own unchangeable immutable natures- what it is to be a circle or a triangle

- he realizes that he c&d perceives that certain properties necessarily belong to those natures

Eg idea of a triangle

- Eternal nature of a triangle- i have an idea of the immutable and eternal nature of a triangle

- i c&d perceive that it belongs to the idea that the interior angles= 2 right angles

- whats the source of that idea

The source of that idea?

A) source not through the senses- reason that w can have c&d ideas of shapes we have never sensed

B) not arrived at through the imagination: we don't willingly invent these ideas and we can't change them. They're determinant immutable and eternal

- leaves us with innate ideas- the source must be innate ideas

- we recognize them as c&d we must assent to them, we're not indifferent to affirming these truths


- draws conclusion that innate ideas are the essence of things and their properties must be true

- this realization sets Descartes up for the 3rd argument for the existence of God

3. third argument for the existence of God: God's essence

Ontological argument- Ontology: the study of being

- argument from the being/ essence of God

- pg 88 section 65- C&D idea of God as a supreme and perfect being

A) i have an idea of the immutable and eternal nature of God

B) I perceive that it belongs to that idea that God exists necessarily belongs to that idea. Therefore God exists.

Ontological argument

i have an idea of God, a supremely perfect being

I clearly and distinctly perceive that the existence necessarily belongs to that idea

therefore God exists

Objection 1


Objection 2