Nuprl Definition : fpf-rename

rename(r;f) ==  <map(r;fst(f)), λx.((snd(f)) hd(filter(λy.(eq (r y) x);fst(f))))>



Definitions occuring in Statement :  hd: hd(l) filter: filter(P;l) map: map(f;as) pi1: fst(t) pi2: snd(t) apply: a lambda: λx.A[x] pair: <a, b>
Definitions occuring in definition :  pair: <a, b> map: map(f;as) pi2: snd(t) hd: hd(l) filter: filter(P;l) lambda: λx.A[x] apply: a pi1: fst(t)
FDL editor aliases :  fpf-rename

Latex:
rename(r;f)  ==    <map(r;fst(f)),  \mlambda{}x.((snd(f))  hd(filter(\mlambda{}y.(eq  (r  y)  x);fst(f))))>



Date html generated: 2018_05_21-PM-09_26_37
Last ObjectModification: 2018_02_09-AM-10_22_02

Theory : finite!partial!functions


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