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Tautologies are always true.

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Q: Is a tautology always false or true?
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What is tautology in boolean algebra?

a tautology is a statement that is always true. For example p or not p is always true because one of the two is always true.


What is it called when there is an equation that is always true?

an identity? maybe a tautology? Comment by mgately: In the field of discrete mathematics (simplified the study of logic) any expression which always evaluates to true is in fact called a tautology. While less cool sounding, an expression which always evaluates to false is just called a contradiction.


Define Tautology and Fallacy?

A Tautology is any logical statement that always results in True. Example, the statement - "Malaria is dangerous" is always true.A Fallacy is a statement that always results in False. Example - "Toxic waste is easy to store" - is always falseThere are exactly opposite of each other.


Is a tautology always true?

No. Tautology is mainly a fancy word for repeating something already stated, like something being unusual and rare.


The opposite sides of a square are always parallel true or false?

false


When tracking changes insertions are always blue and deletions are always strikethrough true or false?

Is this true or false


Is a prime number always greater than 1 true or false?

True


Does it always snow in Poland true or false?

false


Is it true that if the GCF of any two odd numbers is always even true or false?

It is false.


What is combination of words like true fact called?

"True facts" is a tautology.


True or false matter always stays the same?

False (E=mc^2 for example...)


Is It true when any number that ends in 8 the answer always end in 4?

is it true or false my guess is False