Good introductions to philosophers are generally hard to find so when I chance across a good one I want to be able to find it later. The videos below give a good overview of the core concepts of Friedrich Nietzsche.
The rest of the videos by academyofideas are worth watching too.
Logical fallacies are a consistent concern in philosophy, and in any argument really. There are so many that it’s easy to forget which fallacy is which. Luckily some smart people created a poster that can help one figure out which fallacy is being committed.
Check out YourLogicallyFallcyIs.com