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Films · Mathematics · Propositional logic

Prof. Dr. Dirk Schieborn

Higher Mathematics 1 · Reutlingen University

Lecture film · Higher Mathematics 1

True or False? The Rule of the Game in Mathematics

Lecture film · Higher Mathematics 1

True or False? The Rule of the Game in Mathematics

Prof. Dr. Dirk Schieborn

Higher Mathematics 1 · Reutlingen University

A statement is true or false, otherwise it is not a statement. “For all” means series, “there is” means parallel. And whether two compound statements say the same thing, the truth table shows.

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More films: Signature · Prof. Dr. Dirk Schieborn

Chapter 1 · True or false

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True or False? The Rule of the Game in Mathematics

Prof. Dr. Dirk SchiebornHigher Mathematics 1 · Reutlingen University

NewOct 16, 2026 · 6 chapters

An explainer film in six chapters, made from a real lecture: what a statement is, why “for all” is a series circuit and “there is” a parallel one, why “This sentence is false” is not a statement, and how a truth table solves question 1 of the exam. Pause anywhere and ask.

How a film works on heyprof

Every film here listens. Pause it, ask it questions and let it continue with your own examples.

  1. PauseTap pause or press the space bar. The film waits right at that moment.
  2. AskTap “Ask” and type what you want to know. The answer comes inside the film, with picture and voice.
  3. Steer itTell it what to show, for example “Do this with z = 2 − 3i”. The film sets up the app and works it out.
  4. Try it yourselfWhile it is paused, drag points and sliders yourself. “Continue” takes you back into the film.

Without an account: five questions per visit. With an account you can also ask by voice.

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