| | Some definitions of interest. |
|
| hall | Def all ==  p:'a   .   x:'a. (p(x)) |
| | | Thm* 'a:S. all  (('a hbool) hbool) |
|
| hexists | Def exists == p:'a.  x:'a. (p(x)) |
| | | Thm* 'a:S. exists (('a hbool) hbool) |
|
| assert | Def  b == if b True else False fi |
| | | Thm* b:. b Prop |
|
| bequal | Def x = y ==  (x = y T) |
| | | Thm* T:Type, x,y:T. (x = y) |
|
| hand | Def and == p:. q:. p  q |
| | | Thm* and (hbool hbool hbool) |
|
| hbool | Def hbool == |
| | | Thm* hbool S |
|
| hfun | Def 'a 'b == 'a'b |
| | | Thm* 'a,'b:S. ('a 'b) S |
|
| himplies | Def implies == p:. q:. p  q |
| | | Thm* implies (hbool hbool hbool) |
|
| hlt | Def lt == m: . n:. m<n |
| | | Thm* lt (hnum hnum hbool) |
|
| hnot | Def not == p:.  p |
| | | Thm* not (hbool hbool) |
|
| hnum | Def hnum == |
| | | Thm* hnum S |
|
| nat | Def == {i: | 0 i } |
| | | Thm* Type |
| | | Thm* S |
|
| not | Def A == A False |
| | | Thm* A:Prop. (A) Prop |
|
| tlambda | Def (x:T. b(x))(x) == b(x) |
