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

Fundamental Rules of Deduction

• Modus Ponens: A → B, A / B
• Modus Tollens: A → B, ¬B / ¬A
• Disjunctive Syllogism: A ∨ B; ¬A / B
• Hypothetical Syllogism: A → B, B → C / A → C
• Reductio ad Absurdum: A → (¬B ∧ B) / ¬A

Formal Fallacies in Reasoning

Formal methods of deduction can be misused. Reasoning incorrectly can lead to false conclusions even when starting from true premises.

• Affirming the Consequent: A → B, B / A
• Denying the Antecedent: A → B, ¬A / ¬B

Ambiguity

Deductions may be formally valid but contain misleading content due to ambiguous language. Example: "Only man is rational" (implying women are not).

Inductive Fallacies

• Inadequate Generalization: Inductions are weak when data is insufficient or biased.
• Mock Trial (Cherry Picking)

Aristotle: Ethics, Virtue, and the Polis

The status of citizens and humans tends toward an end or highest good: happiness. This involves understanding why a contemplative life dedicated to rational activity is considered the ultimate aspiration. What in everyday life is often just a great aspiration.

The Pursuit of Happiness and Virtue

The soul's rational part encompasses intellectual virtues, such as dianoetic wisdom, and also has a function related to moral or ethical virtues.

Intellectual and Ethical Virtue

Dianoetic virtue is the result of instruction, while ethical virtue is achieved through habituation. This led Aristotle to state that ethical virtue is a habit. For this philosopher, it is not enough merely to know the rule; one must create... Continue reading "Aristotle's Ethics and Politics" »

Descartes' Methodical Doubt and the Foundation of Knowledge

Mental contents systematically subjected to methodical doubt will be:

1. The lessons learned.
2. The data of the senses (sometimes deceptive). This leads us to doubt the experience of the outside world. It even makes us doubt the existence of our own body, because we know it only through the senses.
3. Our experiences (as we say, anything other than the fruit of a dream). In many cases, it is impossible to distinguish waking from sleep, since the latter are presented to us as vividly as the experiences we have when awakened.
4. Our own thinking (and sometimes thoughts are also a source of deception, or perhaps an evil genius is deceiving me). The conception that has doubled in the period is free omnipotence,

Kant and the Enlightenment: Sapere Aude

Enlightenment is man's exit from the intellectual minority that is his own fault. Kant emancipated man from the tendency to be carried away by comfortable situations, arguing that it is necessary to fight for human emancipation. It is unhelpful to believe that a book, a leader, or a single action can provide the path to happiness. A violent revolution does not achieve a true reform of thinking. To address significant disparities in wealth, culture, and happiness, one must remove barriers—such as restrictive laws and prohibitions—to enable human improvement. However, every individual must be aware that they must act personally to achieve happiness.

If some rule and others merely obey, the blame does... Continue reading "Immanuel Kant: Sapere Aude and the Power of Reason" »

Kantian Moral and Practical Principles

Kantian moral-practical principles rely on what may be two types: maxims and laws. Maxims are subjective grounds that the subject considers valid for their individual will. Laws are valid principles for all, and objective principles that can build real moral duties.

Two Types of Morality

• Heteronomous Morality: Moral imperatives with explicit material content. The substance of the duty or rule is based on the supposition that the content is good, and its imperatives are always hypothetical or empirical. "Doing X is a duty because X is good."
• Autonomous Morality: Moral duty serves only as the imperative. It is universal and is fundamentally good, and imperatives are always categorical and universal. "Doing X

Editorial: The Newspaper's Voice

The editorial reflects the institutional viewpoint of a newspaper on a current topic. It is unsigned but written by esteemed staff and overseen by the director.

Functions of an Editorial:

• Informative: Explains facts and highlights their importance.
• Interpretative: Analyzes facts, context, causes, and effects.
• Persuasive: Uses rhetoric to influence reader opinion.
• Appellate: Aims to motivate readers to take action.

Themes: Editorials typically address political and economic concerns, less frequently social or cultural issues.

Tone and Style: Editorials adopt a cautious, authoritative, and solemn tone, with clear, concise, and precise writing.

Letters to the Editor: Reader's Perspective

Letters to the editor are reader... Continue reading "Editorial and Letters to the Editor: Functions and Structure" »

Philosophical Foundations and Scientific Methodology

Plato's Dual Reality: Forms and the Sensible World

In his view of the world, Plato distinguishes reality into two realms: the sensible world and the world of Ideas (Forms). The world of Forms represents the authentic reality, existing eternally, unchanging, and immaterial. In contrast, the sensible world consists of multiple, changing, and material objects.

The sensible realities are merely copies or imitations of the Forms. The Forms serve as the true standard for knowledge, virtue, and the possibility of achieving genuine understanding.

Scientific Knowledge and Methodological Divisions

Scientific knowledge aims for objectivity and is intrinsically linked to technological development. As Descartes... Continue reading "Philosophical Foundations: Plato, Science, and Epistemology" »

Historical Context of the British Enlightenment

In the British Isles, a strong opposition existed between Puritans and Anglicans (who supported royal power). This period witnessed two significant revolutions:

• The English Revolution (1640-1660): King Charles I was executed, and Oliver Cromwell, a Puritan leader, established a dictatorship. Puritans sought a return to Christian roots by removing Catholic influence.
• The Glorious Revolution (1688): This bloodless revolution brought William III and Mary II of Orange to the throne, instituting a parliamentary monarchy.

Following the 1688 Revolution, England, and subsequently Great Britain, embarked on a path toward constitutionalism, becoming a model for the 18th-century Enlightenment. This era provided... Continue reading "The British Enlightenment: Foundations and Impact" »

Wittgenstein: A Pivotal Figure in Philosophy

Ludwig Wittgenstein stands as a truly important philosopher, marking a significant point in the history of philosophy where repeating previous approaches became insufficient. His unique perspective distinguished him greatly. While comparisons might be drawn to the genius and commitment of Socrates, Wittgenstein's path through philosophy followed its own distinct model.

Life, Talents, and Career

He was a man of superior talents, demonstrating expertise not only in philosophy but also in mathematics, logic, and music. His diverse life included:

• Studying engineering
• Serving in the First World War
• Working as a teacher
• Working as a gardener
• Becoming a professor at the University of Cambridge

Major Works and Core

How to Evaluate the Consequences of an Act?

Only by the amount of happiness or "the opposite of happiness" they produce. Mill clarified that the consequences have not been evaluated with respect to an act but respect for the rule in which this event is significant.

Who Does Utilitarianism Affect?

In principle, all beings capable of suffering (and that includes non-human animals) are subject to morality according to utilitarianism. This includes a consideration of equal rights for everyone, sometimes described as a principle of impartiality.

What is "Fair"?

Impartiality means the happiness of each person involved in a truly moral decision counts equally. In other words, "everyone goes for one and only one." According to Mill: "The happiness which... Continue reading "Utilitarianism: Happiness, Impartiality, and Equality" »