LOGIC Flashcards

1
Q

How does Nietzsche differentiate between Apollo and Dionysus in his philosophy?

A

Apollo represents reason, order, and harmony, aligning with Plato’s philosophy, while Dionysus embodies passion, chaos, and creativity, which Nietzsche prefers.

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2
Q

Explain Nietzsche’s view on the limitations of logic.

A

Nietzsche argues that logic is limited and merely a tool to organize thoughts, not the ultimate truth, and that it is just one of many ways humans interpret the world.

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3
Q

How does Nietzsche perceive music in contrast to Plato’s view?

A

Nietzsche believes music embodies raw emotion and chaos, which cannot be captured by logic, while Plato attempts to reduce music’s beauty to logical and mathematical terms.

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4
Q

What role do myths play in Plato’s philosophy according to Nietzsche?

A

Nietzsche argues that when reason fails, Plato resorts to myths to express ideas, revealing the limitations of reason to fully grasp reality.

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5
Q

How does Nietzsche suggest we approach the chaotic aspects of life?

A

Nietzsche advocates for embracing creativity, passion, and chaos, symbolized by the figure of Dionysus.

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6
Q

Define the three perspectives on logic as discussed in the content.

A

The three perspectives are:
- Strong (Cartesian) View: logic mirrors reality;
- Moderate (Kantian) View :humans impose logic on the world
- Weak (Pragmatic) View :logic is a useful tool for understanding.

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7
Q

What is the role of logic in philosophy according to the content?

A

Logic frames the world, judges philosophical arguments, and identifies self-contradictory or illogical arguments as flawed.

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8
Q

How does Wittgenstein’s early work relate to the concept of logic?

A

Wittgenstein stated that we could not describe an illogical world, suggesting that logic is inherent to human thought and language.

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9
Q

List the three fundamental laws of reason mentioned in the content.

A

The three fundamental laws of reason are the Law of Identity, the Law of the Excluded Middle, and the Law of Non-Contradiction.

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10
Q

Describe the Law of Identity in deductive reasoning.

A

The law of identity is no more than a piece of common sense: When reasoning, identify (define) your terms clearly, and then stick to those identities.

The two parts of this law is clarity and consistency.

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11
Q

How does the Law of the Excluded Middle function in logical reasoning?

A

The Law of the Excluded Middle asserts that for any proposition, it is either true or false, with no middle ground.

This law reduces the choice to a basic two options, excluding all third (fourth, fifth, etc.) – or ‘middle’
possibilities.

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12
Q

Define the Law of Non-Contradiction and its significance.

A

The Law of Non-Contradiction states that a thing cannot exist in contradictory states simultaneously. It ensures logical consistency and violations of this law lead to paradoxes.

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13
Q

What are the implications of using abstract terms like ‘justice’ in arguments?

A

Abstract terms like ‘justice’ are harder to define consistently, which can lead to equivocation and violations of the Law of Identity.

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14
Q

Explain the concept of deduction in reasoning.

A

Deduction is a reasoning method where conclusions necessarily follow from premises, provided the premises are true.

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15
Q

Provide an example of a tautology and its relevance in logic.

A

An example of a tautology is the statement ‘You are either named Jane or not named Jane.’ It is always true and illustrates the principle of binary distinctions in logic.

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16
Q

Discuss the significance of logical consistency in arguments.

A

Logical consistency is crucial as it prevents contradictions within an argument, ensuring that conclusions drawn from premises are valid and reliable.

17
Q

How does inductive reasoning differ from deductive reasoning?

A

Inductive reasoning moves from specific observations to general conclusions and is based on probability, while deductive reasoning moves from general principles to specific conclusions and guarantees validity if the premises are true.

18
Q

Define the concept of validity in the context of logical arguments.

A

Validity refers to the logical structure of an argument, meaning that if the premises are true, the conclusion must also be true, regardless of the actual truth of the premises.

19
Q

Explain the significance of Aristotle in the development of logic.

A

Aristotle is often called the ‘Father of Logic’ for formalizing the foundational laws of reasoning, including the Law of Identity, Excluded Middle, and Non-Contradiction, which are essential to classical logic.

20
Q

Provide an example of a valid but false argument.

A

An example of a valid but false argument is: Premise 1: If all Martians are Texans. Premise 2: If all Texans are Canadians. Conclusion: Then all Martians are Canadians.

21
Q

What is the role of evidence in inductive reasoning?

A

Inductive reasoning relies on evidence from specific observations to form general conclusions, but it is based on incomplete evidence and is never fully certain.

22
Q

Describe the contribution of Aristotle to deductive logic.

A

Aristotle invented the syllogism, a formal structure for deductive arguments, exemplified by the premises ‘All humans are mortal’ and ‘Socrates is human,’ leading to the conclusion ‘Socrates is mortal.’

23
Q

What are the limitations to the law of identity?

A
  1. Truth is Separate: Logic focuses on form, not correctness. A definition can be clear and consistent but still wrong in reality.

Example: Calling a gerbil a “widget” is logically fine, even though it’s factually incorrect.

  1. Abstract Terms: Abstract concepts like “justice” or “beauty” can’t be defined with the same clarity as concrete terms like “chair.”
  2. Equivocation: If a term has multiple meanings (e.g., “man” as “human” and “male”), it creates ambiguity, undermining the logical structure of an argument.
24
Q

Which law requires a segmented view of time?

A

Law of non-contradiction.

A segmented view of time, where we think of time as divided into distinct moments (like individual seconds on a clock). Without this structure, logic and measurement wouldn’t make sense, as there would be no clear “before” and “after