Kind/book/Sigma.new.kind2
2024-03-01 20:40:31 -03:00

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Sigma.new
: ∀(A: *) ∀(B: ∀(x: A) *) ∀(a: A) ∀(b: (B a))
(Sigma A B)
= λA λB λa λb ~λP λnew (new a b)