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: ℕ,  assert: ↑b,  isr: isr(x),  exists: ∃x:A. B[x],  squash: ↓T
Definitions occuring in definition :  squash: ↓T,  exists: ∃x:A. B[x],  nat: ℕ,  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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