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namespaces Nat.double vs _root_.Nat.double #296

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namespaces Nat.double vs _root_.Nat.double#296

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@arademaker
arademaker
opened on Aug 13, 2026

As it is rendered, it suggests that the definition of Nat.double would allow (1 : Nat).double. This is not the case

fp-lean/book/FPLean/GettingToKnow/Conveniences.lean

Lines 599 to 600 in 02dbbeb

Names can be directly defined within a namespace.
For instance, the name {anchorName fragments}`double` can be defined in the {anchorName even}`Nat` namespace:

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