| Who Cites reject? |
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reject | Def as\[i]
Def == if i 0 tl(as) else Case of as; nil nil ; a'.as' a'.as'\[i-1] fi
Def (recursive) |
| | Thm* A:Type, l:A List, n: . l\[n] A List |
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tl | Def tl(l) == Case of l; nil nil ; h.t t |
| | Thm* A:Type, l:A List. tl(l) A List |
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le_int | Def i j ==  j< i |
| | Thm* i,j: . (i j)  |
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lt_int | Def i< j == if i<j true ; false fi |
| | Thm* i,j: . (i< j)  |
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bnot | Def  b == if b false else true fi |
| | Thm* b: .  b  |