¯
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Prefix before numbers to indicate that they are negative.
Note that this is not the same as -, since it is part of the number, rather than a primitive that negates its value.
-
-1‿2‿3 ⟨ ¯1 ¯2 ¯3 ⟩ ¯1‿2‿3 ⟨ ¯1 2 3 ⟩