| | Who Cites discrete? |
|
| discrete | Def Discrete{T} ==  x,y:T. Dec(x = y) |
| | | Thm* T:Type{i}. Discrete{T}  Type{i'} |
|
| list_length | Def | | == (letrec l L = (Case of L; nil  0 ; h.t 1+l(t)) ) |
| | | Thm* T:Type. || (T List)   |
| | | Thm* T:Type. || (T List) |
|
| nat | Def == {i:| 0 i } |
| | | Thm* Type |
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| decidable | Def Dec(P) == P   P |
| | | Thm* A:Prop. Dec(A) Prop |
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| letrec_body | Def = b == b |
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| letrec_arg | Def x b(x) (x) == b(x) |
|
| letrec | Def (letrec f b(f)) == b((letrec f b(f)) ) (recursive) |
|
| le | Def AB == B < A |
| | | Thm* i,j:. (ij) Prop |
|
| not | Def A == A   False |
| | | Thm* A:Prop. (A) Prop |
