Day 8: mat385

Today:

• Return homework 1.4 (graded problems 15 and 25)
  • #15
  • #25
    • What's in a name? Aristotle's syllogisms
    • a related joke...
    • As a general rule, don't slap an existential quantifier onto an implication.
    • As a general rule, don't slap a universal quantifier onto a conjunction.

• Hand in homework 2.1.

• Homework 2.2 due next time.

• Homework general amnesty....

• Last time: Section 2.2 (pdf): Induction

• Section 2.4 (2.4/2.5 in ed. 6) (pdf): Recursion

Links:

• Fibonacci Rabbits. How about Fibonacci cows? Henry E Dudeney (1857 - 1930, pronounced Dude-knee)'s version of Fibonacci numbers: "If a cow produces its first she-calf at age two years and after that produces another single she-calf every year, how many she-calves are there after 12 years, assuming none die?"
• Mother Goose Math
• UNIX shell file recurse
• Seektime paper cited in book, Example 46.