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Mathematics 7 Online
OpenStudy (anonymous):

WILL MEDAL. Which of the following methods for making a proof doesn't involve the negation of a statement? 1. reductio ad absurdum 2. modus tollens 3. direct proof 4. indirect proof

OpenStudy (anonymous):

3?

OpenStudy (anonymous):

its not 1

OpenStudy (anonymous):

has to be 3

OpenStudy (anonymous):

@ardentpikachu

OpenStudy (anonymous):

thanks for medal

OpenStudy (anonymous):

You're welcome :)

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