1_Doing_Philosophy_edited.pptx

INTRODUCTION TO THE PHILOSOPHY OF THE HUMAN PERSON
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INTRODUCTION TO THE
PHILOSOPHY OF THE HUMAN
PERSON

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Doing Philosophy

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Lesson Objectives
• Recognize human activities that emanated
from deliberate reflection
• Realize the value of doing philosophy in
obtaining a broad perspective on life
• Do a philosophical reflection on a concrete
situation

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Key Questions
• What is the importance of Philosophy?
• How does philosophy work in our daily life?

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Meaning of Philosophy
• “Philosophy” came from two Greek words:
 Philo which means “to love”
 Sophia which means “wisdom”
• Philosophy originally meant “love of wisdom.”
• Philosophy is also defined as the science that by
natural light of reason studies the first causes or
highest principles of all things.
 Science
 It is an organized body of knowledge.
 It is systematic.
 It follows certain steps or employs certain
procedures.

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 Study of All Things
 It makes philosophy distinct from other
sciences because it is not one dimensional or
partial.
 A philosopher does not limit himself to a
particular object of inquiry.
 Philosophy is multidimensional or holistic.
 It uses a philosopher’s natural capacity to
think or human reason or the so-called
unaided reason.
 Natural Light of Reason

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 First Cause or Highest Principle
 Principle of Identity – whatever is; whatever is
not is not. Everything is its own being, and not
being is not being.
 Principle of Non-Contradiction – it is
impossible for a thing to be and not to be at
the same time.
 Principle of Excluded Middle – a thing is either
is or is not; between being and not-being,
there is no middle ground possible.
 Principle of Sufficient Reason – nothing exists
without sufficient reason for its being and
existence.

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• Early Greek philosophers studied aspects of the
natural and human world that later became separate
sciences—astronomy, physics, psychology, and
sociology.
• Basic problems like the nature of the universe, the
standard of justice, the validity of knowledge, the
correct application of reason, and the criteria of
beauty have been the domain of philosophy from its
beginnings to the present.
• These basic problems are the subject matter of the
branches of philosophy.

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Branches of Philosophy
Metaphysics
• It is an extension of a fundamental and necessary
drive in every human being to know what is real.
• A metaphysician’s task is to explain that part of our
experience which we call unreal in terms of what we
call real.
• We try to make things comprehensible by simplifying
or reducing the mass of things we call appearance to
a relatively fewer number of things we call reality.
• Thales
 He claims that everything we experience is water
(“reality”) and everything else is “appearance.”

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 We try to explain everything else (appearance) in
terms of water (reality).
• Idealist and Materialist
 Their theories are based on unobservable
entities: mind and matter.
 They explain the observable in terms of the
unobservable.
• Plato
 Nothing we experience in the physical world with
our five senses is real.
 Reality is unchanging, eternal, immaterial, and
can be detected only by the intellect.
 Plato calls these realities as ideas of forms.

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Ethics
• It explores the nature of moral virtue and evaluates
human actions.
• It is a study of the nature of moral judgments.
• Philosophical ethics attempts to provide an account
of our fundamental ethical ideas.
• It insists that obedience to moral law be given a
rational foundation.
• Socrates
 To be happy is to live a virtuous life.
 Virtue is an awakening of the seeds of good deeds
that lay dormant in the mind and heart of a person
which can be achieved through self-knowledge.

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 True knowledge = Wisdom = Virtue
 Courage as virtue is also knowledge.
• William Edward Burghardt Du Bois
 An African-American who wanted equal rights
for the blacks.
 His philosophy uses the same process as Hegel’s
dialectic (Thesis > Antithesis > Synthesis).

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Epistemology
• It deals with nature, sources, limitations, and
validity of knowledge.
• It explains: (1) how we know what we claim to
know; (2) how we can find out what we wish to
know; and (3) how we can differentiate truth from
falsehood.
• It addresses varied problems: the reliability, extent,
and kinds of knowledge; truth; language; and
science and scientific knowledge.

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• Sources of knowledge
 Induction
 gives importance to particular things seen,
heard, and touched
 forms general ideas through the examination
of particular facts
 Empiricist – advocates of induction method
 Empiricism is the view that knowledge can be
attained only through sense experience.
 Deduction
 gives importance to general law from which
particular facts are understood or judged

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 Rationalist – advocates of deduction method
 For a rationalist, real knowledge is based on
the logic, the laws, and the methods that
reason develops.
 Pragmatism – the meaning and truth of an idea
are tested by its practical consequences.

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Logic
• Reasoning is the concern of the logician.
• It comes from the Greek word logike, coined by Zeno,
the Stoic (c.340–265BC), which means a treatise on
matters pertaining to the human thought.
• It does not provide us knowledge of the world
directly and does not contribute directly to the
content of our thoughts.
• It is not interested in what we know regarding certain
subjects but in the truth or the validity of our
arguments regarding such objects.

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• Aristotle
 First philosopher to devise a logical method
 Truth means the agreement of knowledge with
reality.
 Logical reasoning makes us certain that our
conclusions are true.
• Zeno of Citium
 One of the successors of Aristotle and founder of
Stoicism
• Other influential authors of logic
 Cicero, Porphyry, and Boethius
 Philoponus and Al-Farabi, Avicenna, and Averroes

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Aesthetics
• It is the science of the beautiful in its various
manifestations – including the sublime, comic, tragic,
pathetic, and ugly.
• It is important because of the following:
 It vitalizes our knowledge. It makes our
knowledge of the world alive and useful.
 It helps us to live more deeply and richly. A work
of art helps us to rise from purely physical
existence into the realm of intellect and the spirit.
 It brings us in touch with our culture. The answers
of great minds in the past to the great problems
of human life are part of our culture.

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• Hans-Georg Gadamer
 A German philosopher who argues that our tastes
and judgments regarding beauty work in
connection with one’s own personal experience
and culture.
 Our culture consists of the values and beliefs of
our time and our society.

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How do I engage in philosophy?
It was Aristotle (384-322 BCE) who once said that
man is a rational animal. Though many present-
day philosophers refute this claim, there is a little
grain of truth in such an assertion.
The simplest way of understanding this claim is
that man, armed with intelligence and the capacity
to think about all sorts of ideas, is not a mere
animal or beast.
We are different from all the rest of creation
because we can think rationally.

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In its simplest form,
Logic is the use of arguments—also called premises —
correctly. The goal of philosophical discourse, therefore,
is to provide arguments logically and avoid thinking
fallaciously.
Deductive arguments are often said to start from the
general and end with the specific. In philosophy, to argue
deductively is to provide successive premises which lead
to a certain conclusion.
That is, if all of your premises are true, your conclusion
will be true as well.
For instance,
Premise 1: All dogs are mammals.
Premise 2: Lassie is a dog.
Conclusion: Therefore, Lassie is a mammal.

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In the example above, the conclusion can't be
false if all of the premises are true. In this case,
we call such a deductive argument is valid.
Simply put, if the conclusion drawn from the
premises makes sense, then the argument can
be considered valid. If the conclusion doesn’t
make sense, it can be classified as invalid, as
in the example below.
Premise 1: All dogs are mammals.
Premise 2: Dumbo is a mammal.
Conclusion: Dumbo is a dog.

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The argument as a whole is invalid because the
flow of reasoning didn’t necessarily follow the flow
of general to specific. Premise 2 is almost as broad
or as general as Premise 1, and so no clear
conclusion about the nature of Dumbo can be
made. However, you must remember that not all
valid arguments are necessarily true. Yes, they
may make sense argumentatively, but you’ll notice
that something’s just not right.
For instance,
Premise 1: All birds can fly.
Premise 2: An ostrich is a bird.
Conclusion: An ostrich can fly.

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For instance,
Premise 1: All birds can fly.
Premise 2: An ostrich is a bird.
Conclusion: An ostrich can fly.
The argument in itself is valid but that doesn’t make it
true. There is no known record of an ostrich ever taking
flight. The error in
reasoning stems from the false premise—specifically,
that all birds can fly. That said, one very important thing
to remember about deductive arguments: If all of your
premises are true and factual and the flow of your
argumentation is valid, then your argument will always
be true.

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Inductive arguments are characterized more by
their predictive power. That is, they don’t deal with
certainties but with probabilities and likelihood.
Perhaps it’s best to give an example first before
explaining:
Premise 1: Most Filipinos have black hair.
Premise 2: Pedro is Filipino.
Conclusion:Pedro has black hair.

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In the example above, Pedro likely has black hair
based on the premises. Note that it is possible that
Pedro has brown or maybe even blonde hair, and so
the conclusion doesn't rule that possibility out. Still,
since the conclusion is very likely, this inductive
argument is strong.
In other words, the “proofs” presented in the premises
are strong enough to lead us to believe that the
conclusion is likely.
Let’s consider another example:
Premise 1: Most Filipinos have black hair.
Premise 2: Pedro has black hair.
Conclusion: Pedro is Filipino

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Identification
Instructions: Determine whether the following
arguments are valid or invalid. Write the correct answer
on the blank.
_______________1. Premise 1: All men are mortal.
Premise 2: Socrates is mortal.
Conclusion: Socrates is a man.
_______________2. Premise 1: All fish have gills.
Premise 2: A shark is a fish.
Conclusion: A shark has gills.

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Instructions: Determine whether the following
arguments are strong or weak. Write the correct
answer on the blank.
___3. Premise 1: Grey clouds usually bring heavy
rains.
Premise 2: Clouds are gray today.
Conclusion: It will most likely rain today.
___4. Premise 1: Mike just moved here from the
United States.
Premise 2: Mike has blonde hair.
Conclusion: Most people from the United States
have blonde hair.

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Activities
1. Share your concepts about the importance of
philosophy. Give examples of these in politics,
sports, law, and daily life.
2. How do you define “happiness”? Do you support
the view of Socrates: “To become happy, a person
must live a virtuous life”? Explain
3. Share in class your views about what is “right” or
“wrong.” Share your own experience in class.

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1_Doing_Philosophy_edited.pptx