| Some definitions of interest. |
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hall | Def all == p:'a  .  x:'a. (p(x)) |
| | Thm* 'a:S. all (('a  hbool)  hbool) |
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assert | Def b == if b True else False fi |
| | Thm* b: . b Prop |
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hbool | Def hbool ==  |
| | Thm* hbool S |
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hequal | Def equal == x:'a. y:'a. x = y |
| | Thm* 'a:S. equal ('a  'a  hbool) |
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hexp | Def exp == m: . n: . exp(m;n) |
| | Thm* exp (hnum  hnum  hnum) |
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hmult | Def mult == m: . n: . m n |
| | Thm* mult (hnum  hnum  hnum) |
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hnum | Def hnum ==  |
| | Thm* hnum S |
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hsuc | Def suc == n: . n+1 |
| | Thm* suc (hnum  hnum) |
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tlambda | Def ( x:T. b(x))(x) == b(x) |