| | 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 |
|
| hadd | Def add == m: . n:. m+n |
| | | Thm* add (hnum hnum hnum) |
|
| hand | Def and == p:. q:. p  q |
| | | Thm* and (hbool hbool hbool) |
|
| hequal | Def equal == x:'a. y:'a. x = y |
| | | Thm* 'a:S. equal ('a 'a hbool) |
|
| himplies | Def implies == p:. q:. p  q |
| | | Thm* implies (hbool hbool hbool) |
|
| hlt | Def lt == m:. n:. m<n |
| | | Thm* lt (hnum hnum hbool) |
|
| hmult | Def mult == m:. n:. m n |
| | | Thm* mult (hnum hnum hnum) |
|
| hnum | Def hnum == |
| | | Thm* hnum S |
|
| tlambda | Def (x:T. b(x))(x) == b(x) |
