Nuprl Definition : cubical-type-restriction

cubical-type-restriction(X;T;I,a,x.psi[I; a; x]) ==
  ∀I,J:fset(ℕ). ∀f:J ⟶ I. ∀a:X(I). ∀x:T(a).  (psi[I; a; x]  psi[J; f(a); (x f)])



Definitions occuring in Statement :  cubical-type-ap-morph: (u f) cubical-type-at: A(a) cube-set-restriction: f(s) I_cube: A(I) names-hom: I ⟶ J fset: fset(T) nat: all: x:A. B[x] implies:  Q
Definitions occuring in definition :  fset: fset(T) nat: names-hom: I ⟶ J I_cube: A(I) all: x:A. B[x] cubical-type-at: A(a) implies:  Q cube-set-restriction: f(s) cubical-type-ap-morph: (u f)
FDL editor aliases :  cubical-type-restriction

Latex:
cubical-type-restriction(X;T;I,a,x.psi[I;  a;  x])  ==
    \mforall{}I,J:fset(\mBbbN{}).  \mforall{}f:J  {}\mrightarrow{}  I.  \mforall{}a:X(I).  \mforall{}x:T(a).    (psi[I;  a;  x]  {}\mRightarrow{}  psi[J;  f(a);  (x  a  f)])



Date html generated: 2016_06_16-PM-01_40_30
Last ObjectModification: 2016_06_02-PM-09_26_33

Theory : cubical!type!theory


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