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Logic & Reasoningbeginner

The Logic Engine

Take arguments apart. Learn which inferences are actually allowed, how to break a claim with a single counterexample, and how to exhaust every case without trusting your gut.

3 lessons44 min totalup to 178 XP

Lessons

  1. 1If–Then, Done Properlynext upTwo inferences from a conditional are valid and two are tempting nonsense. Learn to tell them apart instantly.medium15 min+60 XP
  2. 2Proof by ContradictionAssume the opposite, follow it faithfully, and let it destroy itself. The most elegant weapon in reasoning.hard15 min+62 XP
  3. 3Truth Tables DemystifiedWhen intuition and logic disagree, enumerate every case. Truth tables never lose an argument.medium14 min+56 XP