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Proposition Course

Proposition Course
flexible workload from 4 to 360h
valid certificate in your country

What will I learn?

The Proposition Course gives you practical tools to analyze and evaluate arguments with confidence. You will learn propositional symbols, truth tables, valid argument forms, and common fallacies, then practice translating everyday language into precise formulas. Clear, guided exercises and short natural deduction proofs help you justify each step, strengthen reasoning, and produce well-structured, persuasive written work.

Elevify advantages

Develop skills

  • Truth-table mastery: quickly test arguments for validity and consistency.
  • Symbolic translation: turn messy everyday claims into clean propositional form.
  • Argument form detection: spot modus ponens, tollens, syllogisms in real texts.
  • Natural deduction basics: write short, rigorous line-by-line logical proofs.
  • Clear logic writing: justify symbol choices and validity in concise English.

Suggested summary

Before starting, you can change the chapters and workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.
Workload: between 4 and 360 hours

What our students say

Your lessons are perfect. I purchased the one-year package and finally have the opportunity to follow various topics of my interest without needing to change platforms... I'm grateful for everything you do, I've already recommended you to other people...
Giulio Carlo
Giulio CarloDigital Marketing Student
I like how the lessons are straight to the point and how I can change chapters and skip content I don't need.
Mariana Ferres
Mariana FerresPhotography Student
I like the content and the way videos are presented and transcribed, which speeds up the process!
Luciana Alvarenga
Luciana AlvarengaNail Design Student
The platform is fast, simple to use. The diversity of content and complementary videos help a lot with learning.
André Felipe
André FelipePrompt Engineering Student

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