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「集合の公理系」ウェブページの誤記報告 #334
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下記ウェブページの誤記報告です。
置換公理を確認しようと思ってgoogle検索したところ2番目にヒットしたので見てみたのですが、
論理式による表現に誤りが数か所あるようですので、確認をお願いいたします。
置換公理(Axiom of replacement) | ∀x[x∈a⇒∀y∀z(P(a,y)∧P(x,y)⇒y=z)]⇒∃b∀u[u∈b⇔∃x(x∈a∧P(x,y))]
https://ufcpp.net/study/math/set/axiom/
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