Course Portal • PHIL 1009 Addis Ababa Science and Technology University

Social Science Department

AASTU • College of Social Sciences and Humanities

Course Code: PHIL 1009

Logic & Critical Thinking

Comprehensive lecture modules, formal argumentation diagrams, fallacy guides, and module handouts for freshman engineering and science students.

Chapter 1: Defining Philosophy

Origins, definitions, core branches (Metaphysics, Epistemology, Axiology, Logic), and the fundamental philosophical attitudes.

Chapter 2: Basic Argument Concepts

Premises and conclusions, recognizing arguments, deductive vs inductive arguments, validity, truth, and soundness.

Chapter 3: Logic and Language

Cognitive vs emotive meanings, types of definitions, intensional vs extensional definitions, and criteria for lexical definitions.

Chapter 4: Critical Thinking Concepts

Standards of critical thinking, barriers to critical thought (egocentrism, sociocentrism, relativistic thinking), and cognitive biases.

Chapter 5: Informal Fallacies

Fallacies of relevance, weak induction, presumption, ambiguity, and grammatical analogy. Diagnostic examples and exercises.

Chapter 6: Categorical Propositions

Standard form categorical statements (A, E, I, O), Venn diagrams, traditional square of opposition, and categorical syllogisms.