Question

Fan and medal

Answer 1

The sun comes up in the east.
It is a statement.
It is not a statement.
cannot tell

He is six years old.
It is a statement.
It is not a statement.
cannot tell

7 X 6 = 42
It is a statement.
It is not a statement.
cannot tell

The moon is made of green cheese.
It is a statement.
It is not a statement.
cannot tell

Do well in Geometry.
It is a statement.
It is not a statement.
cannot tell

Water boils at 220 degrees.
It is a statement.
It is not a statement.
cannot tell

A line has two endpoints.
It is a statement.
It is not a statement

Open the door.
It is a statement.
It is not a statement.
cannot tell

3x + 4 = 17
It is a statement.
It is not a statement.
cannot tell

X and Y define a line.
It is a statement.
It is not a statement.
cannot tell



A sentence that is either true or false, but not both can be referred to as:
an idea
a tf-statement
a theorem
a postulate
none of the above



A tautology is:
always false
always true
sometimes true
sometimes false



A contradiction is:
always false
always true
sometimes true
sometimes false

Answer 2

You have to get "contradiction" right. Do that and we can talk about "tautology".

Answer 3

lol now no one knows wat to ask either

Answer 4

@dan815

Answer 5

@Hero

Answer 6

@ravenn plz close this if you are not on it.

Answer 7

if you need help with a different question close this one and ask a new one

Answer 8

huh.....-.