1. Other
  2. Other
  3. question 23 ci at dallas fort worth international airport there...

Question: question 23 ci at dallas fort worth international airport there...

Question details

Question 2.3 (CI) At Dallas Fort Worth International Airport, there 1,850 lights per day (as found at http://dfwairport.mediaroom.com/DFWInfoSheet). Using the Pigeonhole Principle, prove that there is a 2- minute window in which at least 3 flights take off. (It may help to first state: What are the pigeons which will match, and what are pigeonholes?) Question 2.4 (P1) The following if-then statements are true. Prove them. a) (About a polygon P): If P is a square, then P is a rectangle. b) (About an integer m): If m is a multiple of 6, then m is a multiple of 3. c) If you own a dog, then you are a pet-owner. d) (About a playing card, c): If cs suit is diamonds, then cs suit is red. Question 2.5 (P1) The following if-then statements are false. Prove they are false by finding explicit counterexamples a) (About a polygon R): If R is a rectangle, then R is a square. b) (About an integer n): If n is a multiple of 3, then n is a multiple of 6. c) If you are a pet-owner, then you have a dog. d) (About a playing card d): If ds suit is red, then ds suit is diamonds. e) If a person lives in Texas, then they live in Houston.
Solution by an expert tutor
Blurred Solution
This question has been solved
Subscribe to see this solution