| Who Cites hone one? |
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hone_one | Def one_one == f:'a 'b.  one_one('a;'b;f) |
| | Thm* 'a,'b:S. one_one (('a  'b)  hbool) |
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one_one | Def one_one('a;'b;f) == x,y:'a. f(x) = f(y) 'b  x = y |
| | Thm* 'a,'b:Type, f:('a 'b). one_one('a;'b;f) Prop |
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prop_to_bool | Def  P == InjCase(lem(P) ; true ; false ) |
| | Thm* P:Prop. ( P)  |
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tlambda | Def ( x:T. b(x))(x) == b(x) |