Kind/book/Char.is_name.kind2
2024-03-01 20:40:31 -03:00

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Char.is_name
: ∀(a: Char) Bool
= λa
(Bool.or
(Char.is_between #97 #122 a)
(Bool.or
(Char.is_between #65 #90 a)
(Bool.or
(Char.is_between #48 #57 a)
(Bool.or
(Char.equal #95 a)
(Bool.or
(Char.equal #46 a)
(Bool.or (Char.equal #45 a) Bool.false)
)
)
)
)
)