| Some definitions of interest. |
|
hall | Def all == p:'a  .  x:'a. (p(x)) |
| | Thm* 'a:S. all (('a  hbool)  hbool) |
|
assert | Def b == if b True else False fi |
| | Thm* b: . b Prop |
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hequal | Def equal == x:'a. y:'a. x = y |
| | Thm* 'a:S. equal ('a  'a  hbool) |
|
bequal | Def x = y ==  (x = y T) |
| | Thm* T:Type, x,y:T. (x = y)  |
|
hadd | Def add == m: . n: . m+n |
| | Thm* add (hnum  hnum  hnum) |
|
hnot | Def not == p: .  p |
| | Thm* not (hbool  hbool) |
|
hnum | Def hnum ==  |
| | Thm* hnum S |
|
hsuc | Def suc == n: . n+1 |
| | Thm* suc (hnum  hnum) |
|
nat | Def == {i: | 0 i } |
| | Thm* Type |
| | Thm* S |
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not | Def A == A  False |
| | Thm* A:Prop. ( A) Prop |
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tlambda | Def ( x:T. b(x))(x) == b(x) |