
[0]https://www.amazon.com/Proof-Art-Mathematics-Examples-Extens... [1] https://twitter.com/paulg/status/1662065331727155202
If you still want a gentle introduction to proofs but would prefer if the author uses a more serious tone like traditional textbooks, I recommend Proof and the Art of Mathematics by Joel Hamkins. https://www.amazon.com/dp/0262539799
