A variant of an indirect proof for a proposition a works as follows show that a false statement follows

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1.A variant of an indirect proof for a proposition ¨ A works as follows: Show that a false statement follows ...

follows from ¬A (e.g. 0 = 1). Then A must be true. Formulate this as a logical formula and prove it. Note: This variant of an indirect proof is also " Proof by contradiction ”.

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1.AU MAT 120 Systems of Linear Equations and Inequalities Discussion

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