| Some definitions of interest. |
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int_seg | Def {i..j } == {k: | i k < j } |
| | Thm* m,n: . {m..n } Type |
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prime_nats | Def Prime == {x: | prime(x) } |
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nat | Def == {i: | 0 i } |
| | Thm* Type |
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prime | Def prime(a) == a = 0 & (a ~ 1) & ( b,c: . a | b c ![](FONT/eq.png) a | b a | c) |
| | Thm* a: . prime(a) Prop |
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not | Def A == A ![](FONT/eq.png) False |
| | Thm* A:Prop. ( A) Prop |
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prime_mset_complete | Def prime_mset_complete(f)(x) == if is_prime(x) f(x) else 0 fi |
| | Thm* f:(Prime![](FONT/nat.png) ![](FONT/dash.png) ![](FONT/then_med.png) ). prime_mset_complete(f) ![](FONT/nat.png) ![](FONT/dash.png) ![](FONT/then_med.png) ![](FONT/nat.png) |