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QUESTION
Provide a reductioadabsurdum proof which shows whether thefollowing argument form is valid or invalid. Note here that "not" is being symbolized by...
Provide a reductio ad absurdum proof which shows whether the following argument form is valid or invalid. Note here that "not" is being symbolized by "-" and "or" is being symbolized by "v".
(P v Q) or (R v S)
- (P v Q)
Therefore (R v S)
