Nuprl Definition : coPathAgree

coPathAgree(a.B[a];n;w;p;q) ==
  if (n =z 0)
  then True
  else let t,p' 
       in let t',q' 
          in (t t' ∈ coW-dom(a.B[a];w)) ∧ coPathAgree(a.B[a];n 1;coW-item(w;t);p';q')
  fi 



Definitions occuring in Statement :  coW-item: coW-item(w;b) coW-dom: coW-dom(a.B[a];w) ifthenelse: if then else fi  eq_int: (i =z j) and: P ∧ Q true: True spread: spread def subtract: m natural_number: $n equal: t ∈ T
Definitions occuring in definition :  ifthenelse: if then else fi  eq_int: (i =z j) true: True spread: spread def and: P ∧ Q equal: t ∈ T coW-dom: coW-dom(a.B[a];w) subtract: m natural_number: $n coW-item: coW-item(w;b)
FDL editor aliases :  coPathAgree

Latex:
coPathAgree(a.B[a];n;w;p;q)  ==
    if  (n  =\msubz{}  0)
    then  True
    else  let  t,p'  =  p 
              in  let  t',q'  =  q 
                    in  (t  =  t')  \mwedge{}  coPathAgree(a.B[a];n  -  1;coW-item(w;t);p';q')
    fi 



Date html generated: 2018_07_25-PM-01_37_56
Last ObjectModification: 2018_06_01-AM-09_56_03

Theory : co-recursion


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