Keith Devlin's Introduction to Mathematical Thinking course on Coursera (2017 Spring)
License: The Unlicense
The correct answer is (3, 8] and the posted answer is (-oo,3] U (8,oo), which is incorrect.
The correct solution is (-oo,1] U (7,oo).
The posted (incorrect) solution is (-oo,1) U [7,oo).
Let SoPaM be the state of a person after the movie.
"I was not displeased with the movie" implies "but I wasn't pleased either, nor is my impression any more extreme." and is therefore ≡
≡ SoPaM1 ∉ (⋯, −PLEASED] ∪ [PLEASED, ⋯) ≡
≡ −PLEASED < SoPaM1 < PLEASED
(assuming that PLEASED can be assigned a constant value on a scale, standing at the positive side of a neutral point, and DISPLEASED = −PLEASED)
Last sentence should be:
...likewise, if you see a number and it isn't odd, you don't need to verify the rule
Not odd
Hi,
I wish to write answers to assignments as pdf with all symbols and equations as you did, can you tell how you wrote the solutions, or which software you used. Thanks.
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