Notes, summaries, assignments, exams, and problems for Philosophy and ethics

Kant's Critique of Pure Reason: Introduction

This text will discuss a fragment from the introduction to Immanuel Kant's Critique of Pure Reason. Before analyzing the text, it's necessary to briefly introduce the ideas and present the central problem.

Kant's Requirements for Scientific Propositions

According to Kant, a proposition must possess universal, necessary, and real character to be considered scientific. This corresponds to knowledge-dogmatic assertions. Empiricism posits that the form and content of ideas are contributions of the object. Critics of this theory of knowledge raised concerns about the validity of science, questioning whether an idea is true when based solely on sense perception.

Rationalism vs. Empiricism

Rationalist theory... Continue reading "Kant's Critique: Synthetic A Priori Judgments Explained" »

Ethical Criteria of Truth: Evidence and Errors

Evidence is the ultimate criterion of truth, but how do we measure the strength of evidence? Ethics is the most terrible and most glorious aspect of being human. The pattern of life, truth, and values, namely the need to distinguish truth from falsehood to avoid tragedy. Values are at stake as fundamental as peace, freedom, equality, and justice. This is very serious. Some say we cannot agree upon the formulation of ethical principles valid for humanity. Although in some cases there are violent disputes, often there is no disagreement on the fundamentals, but on how to accept or interpret the accepted principles. All these problems that ethics will have to resolve, but should not hide the fact that... Continue reading "Ethical Criteria of Truth: Evidence, Values, and Universal Principles" »

Philosophical Perspectives on Mind and Reality

Physicalist Reductionism or Identity Theory considers that mental states are neurophysiological states.

Functionalism: Mental processes are not reduced to neurophysiological processes. Instead, a phenomenon is defined by the function it performs or the outcome it leads to.

Property Dualism: This perspective posits the existence of two types of properties (mental and physical). It contrasts with Monism, which considers that humans are formed by a single substance or reality.

Personalism: Claims the unity of the human being as both body and spirit.

Understanding Human Behavior

Defining Behavior

Behavior is the observable way individuals react to reality.

Types of Reactions

• Instinctive Reaction: An identical

Reasons to Doubt

• Senses: Doubts about the senses and sense knowledge obtained from external reality. Senses can be misleading.
• Sleep and Wakefulness: The problem of distinguishing between sleep and wakefulness. Sometimes, dreams are so vivid that we feel things as truth. The inability to discern if one is living in a dream or in a waking state.
• Knowledge: Doubt in one's knowledge and reasoning processes. One can make errors in reasoning.
• The Hypothesis of the Evil Genie: It is possible that there is an evil genie deceiving me, even about what appears to me as obvious.

Conclusion of Methodical Doubt

After carrying out doubt on all these points, the only thing that remains is the doubt itself. The object of doubt is a reaffirmation of the indubitability... Continue reading "Descartes' Philosophy: Doubt, Existence, and Innate Ideas" »

Introduction: The Need for Language

Humans require language to gather information necessary for survival and communication. Communication enhances knowledge of life science and human culture. Language arises to avoid gaps in communication.

Ordinary Language

Ordinary language refers to the languages commonly used by humans to communicate with each other.

Functions of Ordinary Language

• Representative: To affirm or deny a predicate of a subject.
• Expressive: To express one's own attitudes, desires, and emotions.
• Appellative: To provoke actions in the receivers.
• Performative: To perform a linguistic act and an extra-linguistic one simultaneously.
• Metalinguistic: To speak about the language itself.

Problems with Ordinary Language

• Equivocal terms: Terms that

Understanding Human Intelligence and Behavior

Human intelligence is defined by the ability to manage behavior effectively using information to solve novel problems.

• Managing Performance: We cannot act intelligently if we are incapable of directing our behavior, which is often driven by desires and fears.
• Making the Right Choice: This involves making the right choice and acting effectively.
• Using Information: We must seek and utilize relevant information.
• Solving Novel Problems: Practical problems are more complicated because, besides finding the solution, we must implement it, which is often the hardest part.

Status and Freedom in Society

We are social beings; we need to live together. We are born immature and need to learn almost everything. Fortunately,... Continue reading "Human Intelligence, Will, and Societal Concepts Defined" »

Rawls' Principles of Justice

Rawls defines two main principles:

• Principle of Equal Liberty

  All people possess the same fundamental freedoms and rights.

• Principle of Economic Inequality

  This principle permits economic inequalities only if they benefit all. It is justified if two conditions are met:

  • Economic inequalities must improve the situation of the least advantaged members of society (the Difference Principle).
  • Economic inequalities must be attached to positions and offices open to all under conditions of Fair Equality of Opportunity.

  Therefore, it is not unfair for some people to be richer than others if these two conditions are met. Such differences may arise because individuals possess varying levels of proficiency, skill, or ability to utilize

Philosophy is an activity that reflects on concepts. It involves examining concepts without preconceived notions and responding with arguments or reasoning, similar to Aristotle's approach. According to him, the origin of philosophy lies in the admiration for strange phenomena that we don't understand by nature or because we lack instinctive explanations. Explanations can be:

• Pre-rational: Myths are explanations based on imagination. These fantasy stories tell of supernatural beings and random events.
• Rational: These explanations originated in Miletus (6th century BC) due to its geographical location and commercial activity. The rise of democracy in Miletus contributed to the development of rational reasoning.

Types of Rational Explanations:

• Scientific

Truth as Correspondence

The theory of truth as correspondence rests on two assumptions: first, that there is a reality independent of thought, and second, that this reality can be known. This aligns with empiricist and realistic theories of knowledge.

Aristotle and St. Thomas Aquinas held this view, stating that truth is the correspondence between the intellect and the thing. Russell later refined this theory, proposing an isomorphism between reality and thought. Tarski emphasized the mediating role of language in the process of knowledge.

Truth as Coherence

Theories of truth as coherence are favored by rationalistic or idealistic thinkers like Spinoza, Leibniz, and Hegel. These theories operate at a linguistic level, focusing on the relationships... Continue reading "Understanding Different Perspectives on Truth" »

Kohlberg's Levels of Moral Development

Pre-conventional Morality

At this level, there is no understanding of social rules. Moral questions are considered only from a personal perspective.

Conventional Morality

Judgments are made based on the rules and expectations of the individual's social group. Moral issues are addressed to maintain membership within the group.

Post-conventional Morality

Individuals understand societal rules but are not limited by them. Thought is governed by principles and values accepted because they are based on general principles. Moral reasoning involves:

• Defining what is good.
• Using reasons to defend the perception of good.

Kohlberg's Moral Education

The goal is to maximize the capacity for moral judgment development through:... Continue reading "Understanding Kohlberg's Stages of Moral Development" »