quiz 4: 3.1-3.2
T;F
A statement is a sentence that is _______ or _______, but not both simultaneously.
Some humane surgeons would not avoid the abdomen, chest, and brain.
A surgeon in 1873 stated that all humane surgeons would avoid the abdomen, chest, and brain. Negate the following statement. All humane surgeons would avoid the abdomen chest and brain. Negate the statement. Choose the correct answer below.
There are no A that are not B.
Fill in the blank. The statement "All A are B" can be expressed equivalently as _______.
As long as a sentence is either true or false, even if we do not know which it is, then that sentence is a statement.
In the video, which of the following is true about statements? Choose the correct answer.
~pVq
Let p and q represent the following statements. p:You are somber. q:You have a lot of energy. Translate the following statement into symbols. You are not somber or you are energetic.
pV~q feedback:Examine the statements for p and q carefully. The conjunction "and" is represented by the symbol ^ and the disjunction "or" is represented by the symbol V. The negation of statement r is expression by writing ~r, read as "not r."
Let p and q represent the following statements. p:You are somber. q:You have a lot of energy. Translate the following statement into symbols. You are somber or you are not energetic.
~q
Let q represent the following statement. q: One thinks hard. Express the statement One does not think hard symbolically.
~r
Let r represent the following statement. r: One jumps high. Express the statement One does not jump high symbolically.
invalid.
Some human beings are gullible. Some human beings enjoy circus tricks. Therefore, we can conclude that some gullible humans enjoy circus tricks. Is this valid or invalid reasoning?
At least one major road connecting the city to its seaport was not open.
The City Council of a large northern metropolis promised its citizens that in the event of snow, all major roads connecting the city to its seaport would remain open. The City Council did not keep its promise during the first blizzard of the season. Write a statement that represents the situation.
p V q;disjunction.
The compound statement "p or q" is symbolized by -----and is called a/an ------
~p; not p
The negation of statement p is expressed by writing _______. We read this as _______.
Some A are not B.
The negation of "All A are B" is _______.
In words, the symbolic statement ~p is: That animal is not a dog. What can you conclude about the resulting verbal statement? The resulting verbal statement is true because p is false.
The statement listed below is false. Let p represent the statement. p: That animal is a dog. Express the symbolic statement ~p in words. What can be concluded about the resulting verbal statement?
All A are not B.
The statement "No A are B" can be expressed equivalently as _______.
Students do not eat chocolate.
Watch the video and then solve the problem given below. Click here to watch the video. Negate the statement "Students eat chocolate."
~p-->~q
Write the compound statement in symbolic form. Assign letters to simple statements that are not negated and show grouping symbols in symbolic statements. If it's not true that being Greek is necessary for being an Athenian then it's not true that being Peruvian is necessary for being from Lima. Let p represent "being Greek is necessary for being an Athenian" and q represent "being Peruvian is necessary for being from Lima."