Definitions NuprlPrimitives Sections NuprlLIB Doc
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Some definitions of interest.
sfa_doc_sexprDef Sexpr(A) == rec(T.(TT)+A)
Thm* A:Type. Sexpr(A Type
sfa_doc_sexpr_cdrDef sexprCdr(s) == Case of s :  Inj(x Inj(x) ; Cons(s1;s2 s2
Thm* A:Type, s:Sexpr(A). sexprCdr(s Sexpr(A)
sfa_doc_sexpr_casesDef Case of s :  Inj(x g(x) ; Cons(s1;s2 f(s1;s2)
Def == InjCase(ss1s2s1s2/s1,s2f(s1;s2); xg(x))
Thm* A:Type, C:(Sexpr(A)Type), s:Sexpr(A),
Thm* f:(s1,s2:Sexpr(A)C(Cons(s1;s2))), g:(x:AC(Inj(x))).
Thm* (Case of s :  Inj(x g(x) ; Cons(s1;s2 f(s1,s2))  C(s)
sfa_doc_sexpr_injDef Inj(a) == inr(a)
Thm* A:Type, a:A. Inj(a Sexpr(A)

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Definitions NuprlPrimitives Sections NuprlLIB Doc