| Some definitions of interest. |
|
iff | Def P  Q == (P  Q) & (P  Q) |
| | Thm* A,B:Prop. (A  B) Prop |
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is_finite_type | Def Finite(A) == n: . A ~ n |
| | Thm* A:Type. Finite(A) Prop |
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unboundedly_infinite | Def Unbounded(A) == k: .  ( k inj A) |
| | Thm* A:Type. Unbounded(A) Prop |
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not | Def A == A  False |
| | Thm* A:Prop. ( A) Prop |