Last Updated：2025/11/24
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When verifying exactness in the commutative diagram, the five lemma guarantees that the middle map is an isomorphism.
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When verifying exactness in the commutative diagram, the five lemma guarantees that the middle map is an isomorphism.
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Related words
five lemma
Noun
singular
singular-only
Japanese Meaning
数学において、可換図式内の複数のホモモルフィズムの条件を利用して、特定の同型写像の存在を示す補題（五補題）を指す。
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