The following are logical fallacies, written here so you can avoid them. There are ofcourse many more. Credit for most of them goes to: @SahilBloom’s twitter.
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Ad Hominem
Red Herring
Texas Sharpshooter
Sunk Cost Fallacy
Bandwagon Fallacy
Straw Man
Appeal to Authority
The False Dilemma
Correlation ≠ Causation
Personal Incredulity
Burden of Proof
Hasty Generalizations
Non-sequitur
Tu Quoque (you too)