| | Some definitions of interest. |
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| dsys | Def Dsys == Id  MsgA |
| | | Thm* Dsys  Type{i'} |
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| ma-valtype | Def ma-valtype(da; k) == da(k)?Top |
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| Kind-deq | Def KindDeq == union-deq(IdLnk Id;Id;product-deq(IdLnk;Id;IdLnkDeq;IdDeq);IdDeq) |
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| Knd | Def Knd == (IdLnkId)+Id |
| | | Thm* Knd Type |
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| IdLnk | Def IdLnk == IdId |
| | | Thm* IdLnk Type |
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| ma-state | Def State(ds) == x:Idds(x)?Top |
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| Id | Def Id == Atom |
| | | Thm* Id Type |
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| id-deq | Def IdDeq == product-deq(Atom;;AtomDeq;NatDeq) |
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| assert | Def  b == if b True else False fi |
| | | Thm*  b: . b Prop |
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| decidable | Def Dec(P) == P   P |
| | | Thm* A:Prop. Dec(A) Prop |
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| fpf | Def a:A fp-> B(a) == d:A Lista:{a:A| (a d) }B(a) |
| | | Thm* A:Type, B:(AType). a:A fp-> B(a) Type |
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| fpf-cap | Def f(x)?z == if x dom(f) f(x) else z fi |
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| fpf-dom | Def x dom(f) == deq-member(eq;x;1of(f)) |
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| locl | Def locl(a) == inr(a) |
| | | Thm* a:Id. locl(a) Knd |
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| pi1 | Def 1of(t) == t.1 |
| | | Thm* A:Type, B:(AType), p:(a:AB(a)). 1of(p) A |
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| pi2 | Def 2of(t) == t.2 |
| | | Thm* A:Type, B:(AType), p:(a:AB(a)). 2of(p) B(1of(p)) |
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| rcv | Def rcv(l; tg) == inl(<l,tg>) |
| | | Thm* l:IdLnk, tg:Id. rcv(l; tg) Knd |
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| top | Def Top == Void given Void |
| | | Thm* Top Type |
