Nuprl Definition : W-bars

W-bars(w;p) ==  ↓∃n:ℕ(↑isr(W-select(w;map(p;upto(n)))))



Definitions occuring in Statement :  W-select: W-select(w;s) upto: upto(n) map: map(f;as) nat: assert: b isr: isr(x) exists: x:A. B[x] squash: T
Definitions occuring in definition :  squash: T exists: x:A. B[x] nat: assert: b isr: isr(x) W-select: W-select(w;s) map: map(f;as) upto: upto(n)
FDL editor aliases :  W-bars

Latex:
W-bars(w;p)  ==    \mdownarrow{}\mexists{}n:\mBbbN{}.  (\muparrow{}isr(W-select(w;map(p;upto(n)))))



Date html generated: 2016_05_15-PM-10_06_41
Last ObjectModification: 2015_09_23-AM-08_22_17

Theory : bar!induction


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