The word subtract has the word Sub in the beginning of the word
Answer:
used to emphasize the speaker's firm belief that what they are saying is true and often their surprise that there is any doubt of this. To assure something with confidence.
Explanation: Dictionary Definition
I believe a circular reasoning would be someone stating relevant reasoning of a topic for example for atheists do you believe in god the circular reasonings are all similar: god doesn't exist (because) there is no evidence to god (because) any evidence for god isn't evidence shaped like circular (circle of reasoning) Atheists have similar reasoning as they don't believe in god hope this helps :)