No.20
A thread for anyone wanting to challenge themselves and others. Create an assignment (within mathematics, physics, biology, computer science, whatever) and put it on the whiteboard. Another professor will attempt to solve it.
Keep going indefinitely.
Spoiler your solutions so others can come in later and give their solution.
plz no homework, and no cheating
No.21
File: 1426535343154.jpg (101.14 KB, 937x960, 937:960, you_should_be_able_to_solv….jpg)

Here's an easy one.
No.45
>>21REM and some other shit. beta or something. Humans are boring
No.51
Here's a few other simple assignments.
No.53
>>51How do I spoiler code?
halve :: [a] -> ([a], [a])halve l = (take n l, drop n l) where n = div (length l) 2 No.76
>>51Hint on the second image:
use truth tables. No.80
No.81
>>80First one seems relatively simple:
|= A by Modu Ponens x2