Christmas

4. How is a PhD student in Theology like the Laplacian operator?
5. What do you call a snake that is 3.14 meters long?
7. What do you call a function that's always polite and well-behaved?
8. Who said Wir müssen wissen, wir werden wissen?
11. What’s sour, yellow, and equivalent to the Axiom of Choice?
12. “a mathematician is a device for turning coffee into theorems”. If the dual is taken: “a comathematician is a device for turning cotheorems into … “
13. Rebus 2
15. If January 1st, 2023 is a Sunday, on which day of the week will December 31st, 2023 fall? (First 4 letters)
16. What sound does a drowning analytic number theorist make?
17. int x^{1/ln(x)} dx
19. What is green and homeomorphic to the open unit interval?
20. Rebus 3

1. What’s nutritious and commutes?
2. What’s yellow, linear, normed, and complete?
3. I am an odd number. Take away a letter and I become even. What number am I?
6. What's the one shape you should avoid at all costs?
9. Rebus 1
10. An expression to represent both the loss of a parrot and a geometric shape
14. Have you heard the one about the statistician?
18. An appropriate title for a knight named Koal