Comprehensive study guide and lecture series on Korean Logic.
Learn the basics of logic through the depth of a 200,000 won paid lecture. Master the difference between All and Some, symbolization of categorical propositions, and validation methods using Venn d...
A lecture at the level of a first-class instructor that penetrates the essence of conditional sentences. You will learn the negation of ‘If A, then B’ (A ∧ ~B) and the law of exchange with declarat...
We delve into De Morgan's law, one of the 10 commandments of logic, at the level of a 200,000 won paid lecture. Negation of declaration (∧) and declaration (∨), and strategic interpretation of ‘eit...
A chain-building strategy that doubles the speed of logical reasoning. Learn the chain combination of syllogisms and consequent negation, the most powerful reasoning tool, with practical examples.
The ultimate weapon to solve difficult logic quizzes. We teach 'separation of the number of cases' when there is no definite information and 'reductio' skills to find contradictions in a paid lectu...
The final gateway. Use all the skills you have learned so far (categorical propositions, De Morgan, reductiometry, number of cases) to beat the most difficult logic quiz. Make the thinking model of...