use the Reductio ad Absurdum method to proof questions in the proof checker. her
use the Reductio ad Absurdum method to proof questions in the proof checker. here is the proof checker you need to use. https://proof-checker.org/
hello , here is link of the questions google docs
..https://docs.google.com/document/d/1i2R-3S0m62Qv7D