| Who Cites hcond? |
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hcond | Def cond == b: . p:'a. q:'a. if b then p else q fi |
| | Thm* 'a:S. cond (hbool  'a  'a  'a) |
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bif | Def bif(b; bx.x(bx); by.y(by)) == if b x(*) else y( x.x) fi |
| | Thm* A:Type, b: , x:(b A), y:(( b) A). bif(b; bx.x(bx); by.y(by)) A |
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tlambda | Def ( x:T. b(x))(x) == b(x) |