Language and Logic

This is a short course that helps ESL students learn the way the English language can be manipulated to persuade people.  In this class you will learn just a few sentence patterns. But, they are important because they contain power.

The power is this: they create the illusion that an argument is correct and therefore you should believe the speaker.

Seeing and understanding these sentence patterns is part of critical thinking. These sentences are a kind of tool to help you think for yourself.

I hope you enjoy this class.

Critical Thinking Lessons

  • 1: Arguments
  • 2: Fallacies of Relevance
  • 3: Fallacies of Insufficient Evidence
  • 4: Analogies and Review
  • 5: Case Study
  • 6: Critical Thinking Test

This Week’s Lesson

Today we begin a series of lessons that will help you think and speak more clearly, logically and precisely.

This is the beginning of our lesson on critical thinking.

  1. The first step in that learning is to understand arguments.
  2. The second step for today is to understand the difference between facts and inferences.

Inference and Facts

Here is a quick exercise to understand inferences. Look at this photo.

Read these statements and mark, true, false or can’t answer.

  1. This is graduation day for the Thomas family.
  2. The father is proud of his son.
  3. The sister looks up to her brother.
  4. This is a prosperous family.
  5. The son has just graduated from law school.


Videos for Critical Thinking Lesson 2 are here.


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