| Who Cites hanoi general exists lemma2PROG? |
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hanoi_general_exists_lemma2PROG | Def HanoiHelper(n; s1; f; s2; g)
Def == <s1(?) {to n-1} f {to n},s2(?) {to n-1} g {to n}> |
| | Thm* n: , a: , z:{a...}, m:{a...z-1}, f,g:({1...n} Peg),
Thm* s1:({a...m} {1...n-1} Peg), s2:({m+1...z} {1...n-1} Peg).
Thm* HanoiHelper(n; s1; f; s2; g)
Thm* ({a...m} {1...n} Peg) ({m+1...z} {1...n} Peg) |
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hanoi_seq_deepen | Def (s(?) {to n} h {to n'})(x) == s(x) {to n} h {to n'} |
| | Thm* a,z: , n: , s:({a...z} {1...n} Peg), n': .
Thm* n n'
Thm* 
Thm* ( h:({n+1...n'} Peg). (s(?) {to n} h {to n'}) {a...z} {1...n'} Peg) |
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hanoi_extend | Def (f {to n} f' {to n'})(i) == if i n f(i) else f'(i) fi |
| | Thm* n: , f:({1...n} Peg), n': .
Thm* n n'  ( f':({n+1...n'} Peg). (f {to n} f' {to n'}) {1...n'} Peg) |
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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  |