| Who Cites eqfun p? |
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eqfun_p | Def IsEqFun(T;eq) == x,y:T. (x eq y)  x = y |
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| Thm* T:Type, eq:(T T  ). IsEqFun(T;eq) Prop |
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assert | Def b == if b True else False fi |
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| Thm* b: . b Prop |
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iff | Def P  Q == (P  Q) & (P  Q) |
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| Thm* A,B:Prop. (A  B) Prop |
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rev_implies | Def P  Q == Q  P |
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| Thm* A,B:Prop. (A  B) Prop |