Logic

Logical Reasoning

Sharpen your reasoning skills with formal logic — from propositions to proofs. Learn to identify fallacies, construct valid arguments, and think critically.

1

Propositions

Statements that are true or false

Lesson 1: What is a Proposition? Coming Soon
Lesson 2: Simple & Compound Propositions Coming Soon
Lesson 3: Negation Coming Soon
2

Logical Connectives

AND, OR, IF-THEN, and more

Lesson 4: Conjunction & Disjunction Coming Soon
Lesson 5: Conditional & Biconditional Coming Soon
Lesson 6: Logical Equivalence Coming Soon
3

Truth Tables

Evaluating compound propositions

Lesson 7: Building Truth Tables Coming Soon
Lesson 8: Tautologies & Contradictions Coming Soon
Lesson 9: Logical Equivalences Coming Soon
4

Deductive Reasoning

Drawing certain conclusions

Lesson 10: Modus Ponens Coming Soon
Lesson 11: Modus Tollens Coming Soon
Lesson 12: Syllogisms Coming Soon
5

Inductive Reasoning

Drawing probable conclusions

Lesson 13: Patterns & Generalizations Coming Soon
Lesson 14: Strong vs Weak Induction Coming Soon
Lesson 15: Analogical Reasoning Coming Soon
6

Logical Fallacies

Common errors in reasoning

Lesson 16: Ad Hominem & Straw Man Coming Soon
Lesson 17: False Dilemma & Slippery Slope Coming Soon
Lesson 18: Appeal to Authority & Bandwagon Coming Soon
7

Arguments & Proofs

Constructing valid arguments

Lesson 19: Valid vs Sound Arguments Coming Soon
Lesson 20: Direct Proof Coming Soon
Lesson 21: Proof by Contradiction Coming Soon
8

Paradoxes

When logic seems to contradict itself

Lesson 22: The Liar Paradox Coming Soon
Lesson 23: Russell's Paradox Coming Soon
Lesson 24: Zeno's Paradoxes Coming Soon
9

Applied Logic

Logic in everyday life and computing

Lesson 25: Logic in Programming Coming Soon
Lesson 26: Logic Puzzles Coming Soon
Lesson 27: Critical Thinking in Daily Life Coming Soon