63def editionAllowsNaturalArithmetic =
64 (lambda unrestricted edition : (family LanguageEdition) .
65 (eliminate
66 LanguageEdition
67 (lambda unrestricted current : (family LanguageEdition) . Nat)
68 edition
69 (branch Alpha2026 . zero)
70 (branch Alpha2027 . (succ zero))))The compiler supplied declaration spans and resolved links from this source snapshot. This page does not assert that this file belongs to a checked closure.