“The proof is left as an exercise for the reader” is my fave
My favorite math joke to this day is:
How many math professors does it take to change a lightbulb?
The answer is trivial and left as an exercise to the reader.
Very funny, Fermat.
Missing off the top of my head:
- proof by duration: it’s been working for so long, why change it now?
- proof by populism: it’s served so many people well
- proof by gaslighting: technically speaking Trump won 3 presidential elections in a row
- proof by marriage: I’m married to Usha Vance and we have kids, how could I possibly be gay?
- proof by omission: there’s no proof he’s a criminal, he never release his tax records
- proof by silence:
- proof by flooding the zone: nobody is talking about that anymore
I’ve found the equation that can calculate anything in the universe. A = f(x), where f(x) is the equation for the specific thing you want to calculate, you just have to put it in.

If I invented RSA encryption the essay and proof would be RSA encrypted with keys not provided.
You can go read the Wikipedia article if you want to understand “that” part… I guess, idk, go fuck yourself!!!
Some YouTube math video about lambda calculus, the asshole casually said “you can check the Wikipedia article” on an aspect that didn’t fit inside his 10-minute video. As if Wikipedia didn’t frustrate even professional mathematicians themselves, with the obtuse exposition and a thousand notations and citations.
Fortunately, there are other math educators on YouTube.
On the topic of lambda calculus, search for this title:
PLUS times PLUSIt’s wild stuff! It’s as if like math is like a shirt, and lambda calculus pulls one arm inside out, there are some weird logical seams in math when you use different tools with the same numbers.
Proof is left as an exercise for the reader: I forgot the proof in undergrad and so will you
I like the credo quia absurdum






