alleryMathematical results are established chiefly by what?
ARepeated experiments
BMajority opinion
CClassroom surveys
DDeductive proof
Answer & Solution
Correct answer: D. Deductive proof
1. The lead says results are established by deductive proof rather than by experiment.
2. So proof is the test of truth in mathematics.
3. Experiments and votes can support an idea but never settle it.
_Source: Wikipedia, "Mathematics" (rev ?), section "Lead section"_
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