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(x v) etc should be a value form

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When x is a inductive constructor, (x v), and ((x v) v), and so on
should be considered values.
This commit is contained in:
William J. Bowman 2015-09-27 13:26:23 -04:00
parent 8aabbc219b
commit 1221fb5e41
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1 changed files with 8 additions and 2 deletions
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10
curnel/redex-core.rkt
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@ -35,7 +35,8 @@
(i ::= natural)
(U ::= (Unv i))
(x ::= variable-not-otherwise-mentioned)
(v ::= (Π (x : t) t) (λ (x : t) t) elim x U)
(v ::= (Π (x : t) t) (λ (x : t) t) elim x U capp)
(capp ::= (x v) (capp v))
(t e ::= v (t t)))
(define x? (redex-match? cicL x))
@ -62,7 +63,12 @@
(check-true (e? (term (λ (x_0 : (Unv 0)) x_0))))
(check-true (v? (term (λ (x_0 : (Unv 0)) x_0))))
(check-true (t? (term (λ (x_0 : (Unv 0)) x_0))))
(check-true (t? (term (λ (x_0 : (Unv 0)) x_0)))))
(check-true (t? (term (λ (x_0 : (Unv 0)) x_0))))
(check-true
(v? (term (refl Nat))))
(check-true
(v? (term ((refl Nat) z))))
)
;; 'A'
;; Types of Universes