A sentence that leads to a contradiction.
For example: (x + 1)2 > x2 + 2x + 2
If you work through it , you end up with 1 > 2 which is clearly untrue.
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algebra
The name of algebra that deals with logical propositions which are either true or false is Boolean algebra. It was developed by mathematician George Boole and is widely used in computer science and digital electronics for designing and analyzing logic circuits.
False
Not unless it is the beginning of a sentence.
When the word is at the start of a sentence.