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商の公理から関数外延性を導く証明を丁寧にする #646

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Seasawher opened this issue Aug 18, 2024 · 0 comments · Fixed by #651
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商の公理から関数外延性を導く証明を丁寧にする #646

Seasawher opened this issue Aug 18, 2024 · 0 comments · Fixed by #651
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メモ 解決済みにすることを目指さず、残しておくもの 本文

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fun x => f x と funApp (f := f) が同じであることをもう少し日本語で説明したほうがよさそう
@Seasawher Seasawher added 補足情報 メモ 解決済みにすることを目指さず、残しておくもの 本文 labels Aug 18, 2024
@Seasawher Seasawher self-assigned this Aug 18, 2024
@Seasawher Seasawher mentioned this issue Aug 19, 2024
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商の公理から関数外延性を導く証明を丁寧にする lean-ja/lean-by-example
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