Nuprl Definition : real-ratio-bound

real-ratio-bound(M;x;y;a;b) ==
  eval rclose-or-sep(M;x;y) in
  if (c =z 1) then (a/y x)
  if (c =z 2) then (b/x y)
  else (r(M)/r(2)) rmin(a;b)
  fi 



Definitions occuring in Statement :  rclose-or-sep: rclose-or-sep(K;x;y) rdiv: (x/y) rmin: rmin(x;y) rsub: y rmul: b int-to-real: r(n) callbyvalue: callbyvalue ifthenelse: if then else fi  eq_int: (i =z j) natural_number: $n
FDL editor aliases :  real-ratio-bound

Latex:
real-ratio-bound(M;x;y;a;b)  ==
    eval  c  =  rclose-or-sep(M;x;y)  in
    if  (c  =\msubz{}  1)  then  (a/y  -  x)
    if  (c  =\msubz{}  2)  then  (b/x  -  y)
    else  (r(M)/r(2))  *  rmin(a;b)
    fi 



Date html generated: 2020_05_20-AM-11_06_49
Last ObjectModification: 2019_11_06-PM-05_49_43

Theory : reals


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