Key Philosophical Concepts: From Ancient Wisdom to Modern Thought

Philosophy

Systematic answer to the great questions of human life, using the laws of logic, without special appeal to math, experimental method, or (religious) authority.

Logotherapy

Psycho-therapy that addresses the human drive for meaning.

Paradox

A statement that is contrary to what it appears, but is (arguably) true.

Love

To see the essential traits and features in another, to see what is potential and to enable one to actualize these potentialities.

Relativism

Everything is a matter of opinion and there is no objective or absolute truth.

Nihilism

There is no meaning of life; life is absurd.

Emotivism

Values result solely from our emotional reaction, not from facts or reasons.

Radical Empiricism

Knowledge is ultimately nothing but perception.

Skepticism

No one knows anything.

A Priori

Knowledge not constituted by any possible sense perception.

Substance

That which exists through itself, not by being in another.

Prime Matter

Pure potency to be some substance.

Soul

1st substantial actuality of the natural body capable of life through parts-differentiation.

2nd principle of the different kinds of activity belonging to different living things.

Object

Target or terminus of an act, power or habit of the soul.

Principle

Of Non-Contradiction: nothing can both be and not be at the same time in the same respect.

Statement or explanatory source.

Frankl

Work: Man’s Search for Meaning

Socrates

Work: no written works.

Plato

Work: Republic, 5 Dialogues.

Aristotle

Work: De Anima

Dualism

Soul and body are two different substances.

Dialogue

Question and answer between two interlocutors.

Genus

Accident: quality.

Bundle Theory of Self

Human identity is the result of several perceptions linked through memory.

Academy

Plato’s school in Athens.

Hylomorphism

Form actualizes matter.

Form

That by which a thing is what it is.

Matter

That out of which something is made.

Substance

That which exists through itself.

Sophists

Presocratic philosophers that went from city to city teaching rhetoric.

This World

Changeable and non-eternal – knowledge in the weak sense – dependent on forms for existence.

Really Real World

Eternal and unchangeable – knowledge in the strong sense – the cause of the existence of our world.

Four Causes

Material, efficient, formal, final.

Material Cause

That out of which something is made.

Efficient Cause

That by which something is made.

Formal Cause

That into which something is made.

Final Cause

That for the sake of which something is made.

Three Ways of Finding Meaning

  • In nature
  • In suffering
  • In love (other people)

Knowledge

In the Weak Sense: empirical knowledge.

In the Strong Sense: knowledge learned in a past life.

Prime Matter

Has no form; pure potency of some substance.

Secondary Matter

Matter + form.

Attribute (or Accident)

That which exists through substance (ex: personality).

Two Kinds of Form

Substance; attribute.

Two Kinds of Matter

Prime; Secondary.

Early Dialogues

Focus on ethics.

Middle Dialogues

Speaker is Plato (world of the forms is introduced).

Late Dialogues

Answers to questions, Socrates is not talked about.

Proper Sensible

Certain qualities in physical objects that each sense is adapted to apprehend.

Common Sensible

Common to the several different senses.

Per Accidens

Things that are sensed accidentally.

The Sense

Acts within a corporeal organ.

Human Intellect

Power of the soul in the form of a body.

Three Principles of Cognition

  1. Cognition is a kind of becoming.
  2. The object of cognition causes the cognition.
  3. We cognize things through its form.

8 Categories

Quantity, quality, place, time, action, passion, relation.

Quality

Perceptible qualities (color, shape, smell, flavor).

Unexamined Life

Not worth living.

Body

Is a prison; soul is trapped and death frees it.

Soul

As harmony cannot be true because no soul is more than another, and soul is not dependent on body.

Philosophy

As preparation for death; philosophy tells us what to expect in death and allows us to look forward to it.

Care for the Soul

Being just and good.

Virtue

Is knowledge.

Images

What do we always think in?

Frankl

Meaning of life gives us will to live – 20th century.

Socrates

Soul is just and our source of life – 400-300 BC.

Plato

Soul and body are separate (dualism) – 400-300 BC.

Hume

Soul doesn’t exist because we can’t see it – 18th century.

Aristotle

Soul is our sense and our intellect – 400-300 BC.

Augustine

Soul senses through body – 400-300 BC.

Aquinas

13th century.

Philo of Alexandria

40 CE – 1st greatest Jewish philosopher – Ideas are in the mind of God.

Avicenna

Has five internal senses (central, proper, fantasy, estimative, memory).

Four Arguments of Immortality of Soul

  1. Cyclical: opposite of life = death.
  2. Recollection: Soul got strong knowledge from previous life.
  3. Affinity: Souls is a form = indestructible.
  4. Final: Soul is like the “immortals” who never die, so neither can the soul.

1st Potentiality

Matter or body.

1st Actuality

Soul.

2nd Potentiality

Ability to sit down and play the piano at will.

2nd Actuality

Actually playing the piano.

Universal

In the mind; proper object of intellectual cognition.