Last Updated
：2025/12/07
infinite descent
Noun
uncountable
Japanese Meaning
数学において、背理法を用いてある命題が真であると仮定した場合、ある正の整数で成立すれば必ずより小さい正の整数で成立するという連鎖を導き、結果として無限に小さい正の整数が存在する矛盾を示す手法。これにより、その命題が偽であることを証明する方法。
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(mathematics) A method of proof by contradiction that is used to prove that a statement must be false for all positive integers. By showing that if it is true for one integer, it must be true for a smaller integer, an infinite number of solutions are found and a contradiction is eventually reached.
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infinite descent
The number theorist applied infinite descent to show that no positive integer solution exists.
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The number theorist applied infinite descent to show that no positive integer solution exists.
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