Nuprl Definition : setunionfun

 ⋃x∈s.f[x] ==  let T,g = s in <t:T × set-dom(f[g t]), λp.let t,d = p in set-item(f[g t];d)>



Definitions occuring in Statement :  set-item: set-item(s;x),  set-dom: set-dom(s),  apply: f a,  lambda: λx.A[x],  spread: spread def,  pair: <a, b>,  product: x:A × B[x]
Definitions occuring in definition :  apply: f a,  set-item: set-item(s;x),  spread: spread def,  lambda: λx.A[x],  set-dom: set-dom(s),  product: x:A × B[x],  pair: <a, b>
FDL editor aliases :  setunionfun

Latex:
  \mcup{}x\mmember{}s.f[x]  ==    let  T,g  =  s  in  <t:T  \mtimes{}  set-dom(f[g  t]),  \mlambda{}p.let  t,d  =  p  in  set-item(f[g  t];d)>



Date html generated: 2018_07_29-AM-09_52_44
Last ObjectModification: 2018_07_18-PM-02_29_45

Theory : constructive!set!theory


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