(July 16, 2018 at 10:46 pm)Kernel Sohcahtoa Wrote: I was a little puzzled over a proof exercise in one of my abstract algebra texts: I reasoned out one case but couldn't quite work out how the second case of the proof went. However, upon analyzing the goal of the proof, there was a key definition involved, and as a result, writing this definition out and taking its negation, gave me a clearer understanding of the proof and resulted in me completing the exercise.
Was the proof via Reductio ad Absurdum?
If you get to thinking you’re a person of some influence, try ordering somebody else’s dog around.
