Ideas of Edmund Husserl, by Theme

[German, 1859 - 1938, Born at Prossnitz. Pupil of Brentano. Professor at the University of Freiburg.]

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1. Philosophy / H. Continental Philosophy / 2. Phenomenology
If phenomenology is deprived of the synthetic a priori, it is reduced to literature [Benardete,JA]
Phenomenology is the science of essences - necessary universal structures for art, representation etc. [Polt]
Bracketing subtracts entailments about external reality from beliefs [Putnam]
Phenomenology aims to describe experience directly, rather than by its origins or causes [Mautner]
Phenomenology needs absolute reflection, without presuppositions
5. Theory of Logic / C. Ontology of Logic / 1. Ontology of Logic
Logicians presuppose a world, and ignore logic/world connections, so their logic is impure [Velarde-Mayol]
Phenomenology grounds logic in subjective experience [Velarde-Mayol]
6. Mathematics / A. Nature of Mathematics / 3. Nature of Numbers / l. Zero
0 is not a number, as it answers 'how many?' negatively [Dummett]
6. Mathematics / A. Nature of Mathematics / 4. Using Numbers / a. Units
Multiplicity in general is just one and one and one, etc.
6. Mathematics / A. Nature of Mathematics / 4. Using Numbers / e. Counting by correlation
Husserl said counting is more basic than Frege's one-one correspondence [Heck]
6. Mathematics / B. Foundations for Mathematics / 1. Foundations for Mathematics
Pure mathematics is the relations between all possible objects, and is thus formal ontology [Velarde-Mayol]
7. Existence / C. Structure of Existence / 6. Fundamentals / c. Monads
Husserl sees the ego as a monad, unifying presence, sense and intentional acts [Velarde-Mayol]
9. Objects / D. Essence of Objects / 5. Essence as Kind
The sense of anything contingent has a purely apprehensible essence or Eidos
9. Objects / D. Essence of Objects / 9. Essence and Properties
Imagine an object's properties varying; the ones that won't vary are the essential ones [Vaidya]
11. Knowledge Aims / B. Certain Knowledge / 5. The Cogito
The physical given, unlike the mental given, could be non-existing
12. Knowledge Sources / A. A Priori Knowledge / 2. Self-Evidence
Husserl says we have intellectual intuitions (of categories), as well as of the senses [Velarde-Mayol]
12. Knowledge Sources / E. Direct Knowledge / 1. Intuition
Direct 'seeing' by consciousness is the ultimate rational legitimation
15. Nature of Minds / A. Nature of Mind / 4. Other Minds / c. Knowing other minds
Husserl's monads (egos) communicate, through acts of empathy. [Velarde-Mayol]
15. Nature of Minds / C. Capacities of Minds / 3. Abstraction by mind
Husserl identifies a positive mental act of unification, and a negative mental act for differences [Frege]
16. Persons / B. Nature of the Self / 4. Presupposition of Self
The psychological ego is worldly, and the pure ego follow transcendental reduction [Velarde-Mayol]
18. Thought / D. Concepts / 4. Structure of Concepts / b. Analysis of concepts
We clarify concepts (e.g. numbers) by determining their psychological origin [Velarde-Mayol]
18. Thought / E. Abstraction / 8. Abstractionism Critique
Psychologism blunders in focusing on concept-formation instead of delineating the concepts [Dummett]
Husserl wanted to keep a shadowy remnant of abstracted objects, to correlate them [Dummett]