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Ideas for 'Parmenides', 'Lewis: reduction of mind (on himself)' and 'Axioms for the Part Relation'

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5 ideas

7. Existence / A. Nature of Existence / 3. Being / c. Becoming
229 The one was and is and will be and was becoming and is becoming and will become [Plato]
     Full Idea: The one was and is and will be and was becoming and is becoming and will become.
     From: Plato (Parmenides [c.364 BCE], 155d)
7. Existence / A. Nature of Existence / 3. Being / f. Primary being
21821 Plato's Parmenides has a three-part theory, of Primal One, a One-Many, and a One-and-Many [Plato, by Plotinus]
     Full Idea: The Platonic Parmenides is more exact [than Parmenides himself]; the distinction is made between the Primal One, a strictly pure Unity, and a secondary One which is a One-Many, and a third which is a One-and-Many.
     From: report of Plato (Parmenides [c.364 BCE]) by Plotinus - The Enneads 5.1.08
     A reaction: Plotinus approves of this three-part theory. Parmenides has the problem that the highest Being contains no movement. By placing the One outside Being you can give it powers which an existent thing cannot have. Cf the concept of God.
7. Existence / C. Structure of Existence / 2. Reduction
3990 The whole truth supervenes on the physical truth [Lewis]
     Full Idea: The whole truth supervenes on the physical truth.
     From: David Lewis (Lewis: reduction of mind (on himself) [1994], p.412)
     A reaction: This seems to me the central truth about brains, and we should not be lured into abandoning it. We should not, however, exclude the possibility that there is a non-physical reality.
7. Existence / C. Structure of Existence / 5. Supervenience / b. Types of supervenience
3991 Where pixels make up a picture, supervenience is reduction [Lewis]
     Full Idea: In the case of millions of pixels making up a picture on a computer screen, the supervenience is reduction.
     From: David Lewis (Lewis: reduction of mind (on himself) [1994], p.414)
     A reaction: Since 'supervenience' seems a suspect relationship about which no one is clear, this is a point very much worth making.
7. Existence / D. Theories of Reality / 3. Reality
221 Absolute ideas, such as the Good and the Beautiful, cannot be known by us [Plato]
     Full Idea: The absolute good and the beautiful and all which we conceive to be absolute ideas are unknown to us.
     From: Plato (Parmenides [c.364 BCE], 134c)