| Who Cites sfa doc sexpr size? |
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sfa_doc_sexpr_size | Def Size(s) == Case of s : Inj(x) 1 ; Cons(s1;s2) Size(s1)+Size(s2)
Def (recursive) |
| | Thm* A:Type, s:Sexpr(A). Size(s) ![](FONT/nat.png) ![](FONT/plus.png) |
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sfa_doc_sexpr_cases | Def Case of s : Inj(x) g(x) ; Cons(s1;s2) f(s1;s2)
Def == InjCase(s; s1s2. s1s2/s1,s2. f(s1;s2); x. g(x)) |
| | Thm* A:Type, C:(Sexpr(A)![](FONT/dash.png) Type), s:Sexpr(A),
Thm* f:(s1,s2:Sexpr(A)![](FONT/dash.png) C(Cons(s1;s2))), g:(x:A![](FONT/dash.png) C(Inj(x))).
Thm* (Case of s : Inj(x) g(x) ; Cons(s1;s2) f(s1,s2)) C(s) |