Final answer:
In indirect proofs, showing assumptions lead to contradictions is crucial for validity.
Explanation:
True. In the body of an indirect proof, you must show that the assumption leads to a contradiction. This is a common technique in proving the validity of statements by showing that assuming the opposite leads to a logical inconsistency.
Counterexample: If assuming the statement is true leads to a contradiction, then the statement itself is false.
Conditional proof: Demonstrating a statement by assuming its antecedent and proving its consequent within a subproof.
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