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

Relations of Ideas and Matters of Fact: Our mental contents are reduced to impressions and ideas, which form the basis of our thought experiments.

1. Relations of ideas: These establish relationships between ideas and concepts. Their truth depends not on experience, but on the meaning of the terms. Relations of ideas are universal and necessary statements; their negation is contradictory and absurd.
2. Matters of fact: These establish relationships among facts that must be verified through observation and experience. These claims are contingent; their negation is possible. Matters of fact often refer to the future. Relations of ideas and matters of fact are the only two types of propositions that can provide knowledge.

Critique of Metaphysics: Hume... Continue reading "Hume's Empiricism: Relations of Ideas, Matters of Fact, and Critique of Metaphysics" »

Phase of Construction and Conduct

Implementation Phase Introduction

For the client who commissions the work, it is an investment from which they expect to get a return. For the contractor, the commission is performed by optimizing quality, cost, and time.

Stages of the Implementation Phase

The Site Visit

A regular, institutional, and agreed-upon meeting attended by legal representatives of the technical department, the client, and the builder to keep track of work, approve well-done tasks, propose new tasks, find new solutions to problems, and address all types of incidents.

Issues to be Addressed

• Work status: Check what has been done since the previous visit.
• Events: Accidents, rain, wind, or theft.
• Defects and Corrections: Two types of defects—those

Understanding Moral Duty and Its Implications

When we use words like "good" or "bad," their meaning can vary significantly depending on the context, particularly between non-moral and moral senses.

The Relative vs. Absolute Sense of 'Good' and 'Bad'

Non-Moral, Relative Sense

In a non-moral sense, "good" or "bad" (or what "you have to do") is relative. It depends on, or is connected to, something else. For example, "This is a good knife for cutting bread."

Moral, Absolute Sense

Conversely, when we use these words in a moral sense, their meaning is absolute. You must do something, or something is good or bad, regardless of whether you like it or not, or whether you want to. It simply is.

Moral Judgments and Absolute Obligations

When these words are used... Continue reading "Ethical Principles: Duty, Goodness, and Social Sanctions" »

Immanuel Kant's Ethics of Duty: Dual Character and Moral Law

The Dual Nature of Man: Empirical vs. Intelligible

Man possesses a dual character: empirical and intelligible. Regarding the former, man is a body, like so many others in the universe, subject to the natural regularities related to any other body. We say that man is an empirical determination because he is a body and because he desires what the body wants. Theoretical reason can explain the causes and effects of nature.

Empirical inclinations in the case of man can be detected, evaluated, enabled, and selected, but they can never be canceled. There is not only a causality of nature (a coincidence of course), but also a causality of freedom. We only understand what we are if we consider... Continue reading "Kantian Morality: Duty, Goodwill, and the Categorical Imperative" »

Machiavelli (1469-1527)

It is a Renaissance man as having a Renaissance mentality.

Works: "The Prince", "Discourses on Livy's first decade."

Political circumstances of his day, begin to form the first national States: France, Castile, England, but Italy (divided into several kingdoms and republics). Machiavelli seek independence and the city of Italy and expel the barbarians, but to no avail.

Major political ideas has brought us:

Notion of state, sovereign political organization of territory. However confused the figure of the prince of the state.

Empiricism: A method of work based on facts,

Reason of State: the state pursues its own ends (retained and expanded) so policy is independent of any other purposes. The policy is governed by the... Continue reading "Law 19983 on" »

Criteria for Recognizing Truth

The Role of Evidence

The term evidence comes from the Latin videre (to see) and refers to the particular forms of presentation that certain facts and propositions possess, making them appear obvious. Knowledge is evident when it produces certainty. However, there is no 100% satisfactory criterion, as the sense of certainty can be somewhat subjective.

Intersubjectivity in Truth Recognition

Intersubjectivity is based on the idea that knowledge is objective, shared by all, and not exclusive to a particular person. Compared to evidence, intersubjectivity has the advantage that the recognition of truth is not made by one person but by several. Truth is not something private but requires the consensus of the scientific... Continue reading "Philosophical Approaches to Truth and Knowledge" »

Plato's Ethics: Virtue and Happiness

The ethics of Plato are concerned with establishing moral principles to help rebuild the political and social order, while also helping individuals live well and be happy.

How Should We Live to Be Happy?

We must live according to virtue. This means living according to wisdom (knowing the Ideas, the most important being the Idea of the Good, since knowing what is good leads to acting correctly), purifying the soul of the bad influences of the body, and establishing harmony between the different parts of the soul.

Where to Live to Be Happy and Virtuous?

This is only possible in the Polis—in community life. Man is a political and social being by nature. Therefore, ethics cannot be separated from politics. Plato'... Continue reading "Plato's Ethics and Politics: The Path to a Just State" »

Comparing Philosophers on Society's Origins

Plato, Aristotle, and Locke had different views on how society originates. They considered whether society is derived from nature or from a different source. Aristotle believed that humans are naturally inclined to form families, which then join together to form clans, and eventually, societies. This bonding process is driven by a natural necessity, with no clear transition between the natural state of man and the constitution of a society.

Plato, however, argued that the State should meet a default model based on pre-existing ideas of justice and right, not nature. Locke initially saw the natural state as one where individuals are driven by their desires, leading to conflicts and a state of war. However,... Continue reading "Comparing Plato, Aristotle, and Locke on Society's Origins" »

Rene Descartes (1595-1650)

Born in La Haye en Touraine, France.

A philosopher and mathematician, Descartes' great work is Discourse on Method, published in 1637.

In Discourse on Method, he introduces methodical doubt, subjecting all knowledge to rigorous scrutiny.

His famous formulation: "I think, therefore I am."

Descartes aspired to establish firm and lasting foundations in the sciences.

Rules of Method

• The principle of evidence (or methodical doubt).
• The precept of analysis.
• The precept of synthesis.
• The process of verification.

Theory of Two Substances

A substance exists independently, requiring nothing else for its existence.

Part of the cogito (thought): Descartes argues that he is solely a thinking substance, as even the most radical skeptic cannot... Continue reading "Rene Descartes, James Mill, John Stuart Mill, Immanuel Kant, and Wilhelm Wundt: Key Philosophers and Their Theories" »

Key Principles of Scientific Work

Several key principles characterize the work of a scientist:

• Asking Questions: It is essential to choose crucial questions that will not lead to a dead end. We must ask questions that have a modest but useful response.
• Formulation of the Hypothesis: This involves forming an idea or hypothesis about natural phenomena. The formulation of hypotheses is a key moment in scientific knowledge and is the most creative.
• Testing of the Hypothesis: We need to show that the idea or hypothesis has scientific validity. Experiments can be conducted to test our hypothesis.
• Formulation of Hypotheses or Theories: General laws of nature are typically formulated as major theories that must be consistent and demonstrable.

Considerations