| Who Cites fin enum? |
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fin_enum | Def fin_enum(A) == k:kA |
| | Thm* A:Type. fin_enum(A) Type |
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int_seg | Def {i..j} == {k:| i k < j } |
| | Thm* m,n:. {m..n} Type |
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inv_pair | Def AB == {fg:((AB)(BA))| fg/f,g. InvFuns(A;B;f;g) } |
| | Thm* A,B:Type. AB Type |
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nat | Def == {i:| 0i } |
| | Thm* Type |
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lelt | Def i j < k == ij & j<k |
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inv_funs_2 | Def InvFuns(A;B;f;g) == (x:A. g(f(x)) = x) & (y:B. f(g(y)) = y) |
| | Thm* f:(AB), g:(BA). InvFuns(A;B;f;g) Prop |
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le | Def AB == B<A |
| | Thm* i,j:. (ij) Prop |
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not | Def A == A False |
| | Thm* A:Prop. (A) Prop |