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Daily logic
training.

Rigorous, systematic training in formal and informal logic. Complete the daily challenge to maintain your streak.

Today's Daily Challenge
Fallacy Identification — Debater Level
🔥 Maintain your streak · Earn 20 XP · 4 of 10 completed
14
Day Streak
2,840
Total XP
Lv 12
Debater

Practice by Game Type

🎯
Fallacy Identification
Spot the logical fallacy in natural language arguments
⚖️
Validity Assessment
Determine if arguments are valid, sound, both, or neither
🧩
Argument Reconstruction
Rebuild messy arguments into clear premise-conclusion form
⚔️
Counterargument Construction
Build the most logically precise counter to a given argument
📊
Truth Table Challenge
Evaluate propositional logic for equivalence and contradiction
🛡️
The Steel Man Test
Construct the strongest version of an opposing position
🧠
Bias Spotting
Identify cognitive biases affecting reasoning in scenarios
🔗
Deduction Puzzle
Multi-step formal logic puzzles as real-world scenarios
📋
Source Evaluation
Evaluate source quality and whether it supports the claim
❓
Socratic Drill
Generate the most penetrating question to expose weak assumptions