WhoCites Definitions HanoiTowers Sections NuprlLIB Doc
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(extending a stacking situation to larger disks by explicit stipulation of location for each new disk)

Who Cites hanoi extend?
hanoi_extendDef  (f {to n}  f' {to n'})(i) == if in f(i) else f'(i) fi
Thm*  n:, f:({1...n}Peg), n':.
Thm*  nn'  (f':({n+1...n'}Peg). (f {to n}  f' {to n'})  {1...n'}Peg)
le_intDef  ij == j<i
Thm*  i,j:. (ij)  
lt_intDef  i<j == if i<j true ; false fi
Thm*  i,j:. (i<j)  
bnotDef  b == if b false else true fi
Thm*  b:. b  

Syntax:f {to n}  f' {to n'} has structure: hanoi_extend(n; n'; f; f')

About:
boolbfalsebtrueifthenelseintnatural_numberadd
lessapplyfunctionmemberimpliesall
!abstraction
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html

WhoCites Definitions HanoiTowers Sections NuprlLIB Doc