Description
Exercise 06
[06.1] "Reconstruct" the argument given below, and then
[06.2] "Evaluate" it as well.
The streets are now wet.
Therefore, it must have rained.
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Exercise 14
Symbolize the following so as to reveal as much structure as possible.
(Specify the abbreviations you use.)
NB: Make a distinction between the 2 kinds of disjunction, inclusive & exclusive
[14.1] The greatest basketball player ever to play the game is either Michael
Jordan or Kareem Abdul Jabbar.
[14.2] It's going to snow on Christmas eve or on New Year's eve.
[14.3] Either this sentence is true or it's false.
[14.4] Abortion is either murder or it's a harmless form of birth control.
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Exercise 16
[16-1] Explain why the truth-table for conditional is called
"Material" Conditional by explaining the difference between:
(1) using a conditional as non-truth-functional, and
(2) using it as truth-functional.
[16-2] Determine the truth value of the following conditional statement
used as a material conditional:
If the earth is flat,
then the earth stops rotating around the sun.
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Exercise 17 ... (For-Credit: 1 point)
Let X be "Adam is mortal."
Let Y be "Adam is a human being."
Complete the followings sentences
with "sufficient" or "necessary":
X is ___________ for Y.
Y is ___________ for X.
Explanation & Answer
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