Nuprl Definition : pcw-path

full path through co-W type is an infinite sequence of steps
such that each successive step agrees with the previous step.⋅

Path ==  {path:ℕ ⟶ pcw-step(P;p.A[p];p,a.B[p; a];p,a,b.C[p; a; b])| ∀i:ℕStepRel(path i;path (i 1))} 



Definitions occuring in Statement :  pcw-steprel: StepRel(s1;s2) pcw-step: pcw-step(P;p.A[p];p,a.B[p; a];p,a,b.C[p; a; b]) nat: all: x:A. B[x] set: {x:A| B[x]}  apply: a function: x:A ⟶ B[x] add: m natural_number: $n
Definitions occuring in definition :  set: {x:A| B[x]}  function: x:A ⟶ B[x] pcw-step: pcw-step(P;p.A[p];p,a.B[p; a];p,a,b.C[p; a; b]) all: x:A. B[x] nat: pcw-steprel: StepRel(s1;s2) apply: a add: m natural_number: $n
FDL editor aliases :  pcw-path

Latex:
Path  ==
    \{path:\mBbbN{}  {}\mrightarrow{}  pcw-step(P;p.A[p];p,a.B[p;  a];p,a,b.C[p;  a;  b])|  \mforall{}i:\mBbbN{}.  StepRel(path  i;path  (i  +  1))\} 



Date html generated: 2016_07_08-PM-04_47_43
Last ObjectModification: 2015_09_22-PM-05_47_02

Theory : co-recursion


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